Which expression is equivalent to 5(2+7)?

Answers

Answer 1
5(2+7)
5(9)
45

Final answer: 45
Remember that accoridng to the order of operations, anything in parentheses should be simplified first, if possible.
Answer 2

Answer

b

Step-by-step explanation:

i got it on eduenity


Related Questions

Olga saves $15 from every paycheck to save up for a new game system that cost $399. Currently, she has $360 saved. Ignoring the purchase, how many more paychecks does she have until she has enough money saved to buy the game system

Answers

Game system price = $ 399
Saved so far  =        - $ 360
          Balance         -----------
                               $  39 divided by amount saved each paycheck
                                 -------
                                   15
# paychecks 2.6  3 paychecks

Multiply (2.4 ⋅ 1014) ⋅ (4 ⋅ 107). Express the answer in scientific notation. 9.6 ⋅ 1021 9.6 ⋅ 1022 96 ⋅ 1021 96 ⋅ 1022

Answers

its either 9.6 x 1021 or 9.6x1022
hope this helps

Answer:

9.6 × [tex]10^{21} )[/tex].

Step-by-step explanation:

Given : Multiply [tex](2.4 * 10^{14} ) * ( 4 *10^{7} )[/tex].

To find :  Express the answer in scientific notation.

Solution : We have given that

[tex](2.4 * 10^{14} ) * ( 4 *10^{7} )[/tex].

Combine the like terms

(2.4 * 4 )( [tex](10^{14} ) (10^{7} )[/tex].

By the exponent same base rule : if the base of two exponent are same then exponent will be add.

9.6 × [tex]10^{14 + 7} )[/tex].

9.6 × [tex]10^{21} )[/tex].

Therefore, 9.6 × [tex]10^{21} )[/tex].

The price of an item has been reduced by 85%. The original price was $77.

Answers

Multiply the original price by the decimal form of the percent and subtract that from the original price.
77*0.85=65.45
77-65.45=11.55
Answer: New price is $11.55
Made percent in a decimal form - 0.85 then multiply 0.85 and 77
.85*77= 65.45
Then 77.00 subtract by 65.45
77.00-65.45= 11.55

What is the solution to this system of equations?

Answers

I believe it is (.5, 5.2)

mMelissa is making clothes for her dolls. She has 7/8 yard of fabric. Each doll shirt requires 2/7 of a yard of fabric. How many shirts can she make for her dolls?

Answers

need to divide 7/8 by 2/7

7/8 / 2/7 = 7/8 x 7/2 =49/16 = 3 1/16

she will be able to make 3 shirts

In the polynomial below, what number should replace the question mark to produce a difference of squares?

Answers

A polynomial is an algebraic equation that consists of more than one term. Otherwise, it is called a monomial. The technique in producing a difference of the squares is completing of the squares method. For a quadratic formula with a general form of ax2 + bx + c = 0, you can determine c such that the formula could be factored into two monomials. The equation would be (b/2)^2.

For example, if the equation is x^2 + 2x+ __ = 0, c is solved as follows:

c = (2/2)^2 = 1

The equation would be x^2 + 2x +1 = 0. When you simplify and factor it out, the equation would become (x+1)^2 = 0.

A graph is shown below:

A graph is shown. The values on the x axis are 0, 3, 6, 9, 12, and 15. The values on the y axis are 0, 9, 18, 27, 36, and 45. Points are shown on ordered pairs 0, 36 and 3, 27 and 6, 18 and 9, 9 and 12, 0. These points are connected by a line

What is the equation of the line in slope-intercept form?

y = 36x − 3
y = −3x + 36
y = −3x + 12
y = −12x + 3

Answers

Answer:

Yeah its B

(y = -3x = 36)

Step-by-step explanation:

The equation of the line in slope-intercept form is y = −3x + 36.

What is slope- intercept form?

The equation of a straight line in the form y = mx + b where m is the slope of the line and b is its y-intercept.

Given:

x axis are 0, 3, 6, 9, 12, and 15.

y axis are 0, 9, 18, 27, 36, and 45.

slope= 27-36/ 3-0= -3

Slope intercept form

y - y1 = m(x- x1)

y- 36 = -3 ( x- 0)

y - 36 = -3x

y + 3x = 36

Learn more about slope- intercept form here:

https://brainly.com/question/9682526

#SPJ2

Please help. This is summer homework that's due in 2 days!

Answers

Split the surface area into geometric shapes as shown in the figure below.

Top part
The area of one triangle is
A₁ = (1/2)*(10 cm)*(4 cm) = 20 cm²
There are 3 of these triangles.

Vertical sides..
The area of one vertical side is
A₂ = (10 cm)*(6 cm) = 60 cm²
There 3 of them.

Bottom part
The triangle is equilateral with each side  = 10 cm, and each angle = 60 deg.
The area is (from the Law of Sines)  equal to
A₃ = (1/2)(10 cm)*(10 cm)*sin(60) = 43.3 cm²

The total surface area is
3A₁ + 3A₂ + A₃
= 3*20 + 3*60 + 4.3
= 283.3 cm²

Answer: The surface area is  283.3 cm²

How to factor a polynomial when the leading coefficient isn't 1

Answers

You cant... The leading coefficient has to be a whole number, bigger than one

Final answer:

To factor a polynomial with a leading coefficient that isn't 1, use the ac method or factoring by grouping, identify common factors, and check your work by expanding the factors.

Explanation:

When factoring a polynomial with a leading coefficient that isn't 1, you should consider each term, and factor out any common factors first. If the polynomial is a quadratic, for instance, with a leading coefficient greater than 1, you can use techniques such as the ac method or factoring by grouping. The ac method involves finding two numbers which multiply to give you the product of the leading coefficient and the constant term, and add up to the middle term's coefficient. Once you have these numbers, you can rewrite the middle term and then factor by grouping.

Step-by-Step Explanation

Identify the leading coefficient, the constant term, and the middle term's coefficient.Find two numbers that multiply to the product of the leading coefficient and the constant term, and add to the middle term's coefficient.Rewrite the middle term using the two numbers found in step 2, splitting it into two terms.Factor by grouping, which involves pairing off the terms in such a way that they have a common factor, and then factoring out the greatest common factor from each pair.If you have factored correctly, you should be able to factor out an additional term from the resulting expression, resulting in a factored polynomial.Simplify further if possible, and check your answer by expanding the factors to ensure you get the original polynomial.

Tentukan hasil dari (tanpa menghitung satu persatu)
a. 1+3+5+7+9+.....+99
b. 1-2+3-4+5-6+7-8+.....-100
c. -100-99-98-..........-2-1-0+1+2+.....+48+49+50

Answers

a . 1 + 3 + 5 + 7 + 9 + ... + 99 = 2500

b. 1 - 2 + 3 - 4 + 5 - 6 + 7 - 8 + ... - 100 = -50

c. -100 - 99 - 98 - .... -2 - 1 - 0 + 1 + 2 + ... + 48 + 49 + 50 = -3775

Further explanation

Let us learn about Arithmetic Progression.

Arithmetic Progression is a sequence of numbers in which each of adjacent numbers have a constant difference.

[tex]\large {\boxed {T_n = a + (n-1)d } }[/tex]

[tex]\large {\boxed {S_n = \frac{1}{2}n ( 2a + (n-1)d ) } }[/tex]

Tn = n-th term of the sequence

Sn = sum of the first n numbers of the sequence

a = the initial term of the sequence

d = common difference between adjacent numbers

Let us now tackle the problem!

Question a :

1 + 3 + 5 + 7 + 9 + ... + 99

initial term = a = 1

common difference = d = ( 3 - 1 ) = 2

Firstly , we will find how many numbers ( n ) in this series.

[tex]T_n = a + (n-1)d[/tex]

[tex]99 = 1 + (n-1)2[/tex]

[tex]99-1 = (n-1)2[/tex]

[tex]98 = (n-1)2[/tex]

[tex]\frac{98}{2} = (n-1)[/tex]

[tex]49 = (n-1)[/tex]

[tex]n = 50[/tex]

At last , we could find the sum of the numbers in the series using the above formula.

[tex]S_n = \frac{1}{2}n ( 2a + (n-1)d )[/tex]

[tex]S_{50} = \frac{1}{2}(50) ( 2 \times 1 + (50-1) \times 2 )[/tex]

[tex]S_{50} = 25 ( 2 + 49 \times 2 )[/tex]

[tex]S_{50} = 25 ( 2 + 98 )[/tex]

[tex]S_{50} = 25 ( 100 )[/tex]

[tex]\large { \boxed { S_{50} = 2500 } }[/tex]

Question b :

In this question let us find the series of even numbers first ,  such as :

2 + 4 + 6 + 8 + ... + 100

initial term = a = 2

common difference = d = ( 4 - 2 ) = 2

Firstly , we will find how many numbers ( n ) in this series.

[tex]T_n = a + (n-1)d[/tex]

[tex]100 = 2 + (n-1)2[/tex]

[tex]100-2 = (n-1)2[/tex]

[tex]98 = (n-1)2[/tex]

[tex]\frac{98}{2} = (n-1)[/tex]

[tex]49 = (n-1)[/tex]

[tex]n = 50[/tex]

We could find the sum of the numbers in the series using the above formula.

[tex]S_n = \frac{1}{2}n ( 2a + (n-1)d )[/tex]

[tex]S_{50} = \frac{1}{2}(50) ( 2 \times 2 + (50-1) \times 2 )[/tex]

[tex]S_{50} = 25 ( 4 + 49 \times 2 )[/tex]

[tex]S_{50} = 25 ( 4 + 98 )[/tex]

[tex]S_{50} = 25 ( 102 )[/tex]

[tex]\large { \boxed { S_{50} = 2550 } }[/tex]

At last , we could find the result of the series.

1 - 2 + 3 - 4 + 5 - 6 + 7 - 8 + ... - 100

= ( 1 + 3 + 5 + 7 + ... + 99 ) - ( 2 + 4 + 6 + 8 + ... + 100 )

= 2500 - 2550

= -50

1 - 2 + 3 - 4 + 5 - 6 + 7 - 8 + ... - 100 = -50

Question c :

-100 - 99 - 98 - .... -2 - 1 - 0 + 1 + 2 + ... + 48 + 49 + 50

initial term = a = -100

common difference = d = ( -99 - (-100) ) = 1

Firstly , we will find how many numbers ( n ) in this series.

[tex]T_n = a + (n-1)d[/tex]

[tex]50 = -100 + (n-1)1[/tex]

[tex]50+100 = (n-1)[/tex]

[tex]150 = (n-1)[/tex]

[tex]n = 151[/tex]

We could find the sum of the numbers in the series using the above formula.

[tex]S_n = \frac{1}{2}n ( 2a + (n-1)d )[/tex]

[tex]S_{151} = \frac{1}{2}(151) ( 2 \times (-100) + (151-1) \times 1 )[/tex]

[tex]S_{151} = 75.5 ( -200 + 150 )[/tex]

[tex]S_{151} = 75.5 ( -50 )[/tex]

[tex]\large { \boxed { S_{151} = -3775 } }[/tex]

Learn moreGeometric Series : https://brainly.com/question/4520950Arithmetic Progression : https://brainly.com/question/2966265Geometric Sequence : https://brainly.com/question/2166405

Answer details

Grade: Middle School

Subject: Mathematics

Chapter: Arithmetic and Geometric Series

Keywords: Arithmetic , Geometric , Series , Sequence , Difference , Term

The sum of the series are:

Part(a): [tex]\fbox{\begin\\\ \math S=2500\\\end{minispace}}[/tex]

Part(b): [tex]\fbox{\begin\\\ \math S=-50\\\end{minispace}}[/tex]

Part(c): [tex]\fbox{\begin\\\ \math S=-3775\\\end{minispace}}[/tex]

Further explanation:

A series is defined as a sum of different numbers in which each term is obtained from a specific rule or pattern.

In this question we need to determine the sum of the series given in the part (a), part (b) and part (c).

Part(a):

The series given in part (a) is as follows:

[tex]1+3+5+7+9+...+99[/tex]

All the terms in the given series are odd numbers.

From the given series in part(a) it is observed that the series is an arithmetic series with the common difference of [tex]2[/tex].

An arithmetic series is a series in which each successive member of the series differs from its previous term by a constant quantity.

From the above series it is observed that the first term is [tex]1[/tex], second term is [tex]3[/tex], third term is [tex]5[/tex], fourth term is [tex]7[/tex], fifth term is [tex]9[/tex] and the last term is [tex]99[/tex].

The nth term in a arithmetic series is given as follows:

[tex]a_{n}=a+(n-1)d[/tex]           (1)

In the above equation a represents the first term, [tex]n[/tex] represents the total terms and [tex]d[/tex] represents the common difference.

Substitute [tex]99[/tex] for [tex]a_{n}[/tex], [tex]1[/tex] for [tex]a[/tex] and [tex]2[/tex] for [tex]d[/tex] in equation (1).

[tex]\begin{aligned}99&=1+2(n-1)\\2(n-1)&=98\\n-1&=49\\n&=50\end{aligned}[/tex]

Therefore, total number of terms in the series is [tex]50[/tex]. This implies that [tex]a_{50}=99[/tex].

The sum of an arithmetic series is calculated as follows:

[tex]S_{n}=\dfrac{n}{2}(a+a_{n})[/tex]          (2)

Substitute [tex]50[/tex] for [tex]n[/tex] in equation (2).

[tex]\begin{aligned}S_{50}&=\dfrac{50}{2}(a+a_{50})\\&=25\times (1+99)\\&=25\times 100\\&=2500\end{aligned}[/tex]

Therefore, the sum of the series for part(a) is [tex]\bf 2500[/tex].

Part(b):

The series given in part (b) is as follows:

[tex]1-2+3-4+5-6+7-8+….-100[/tex]

Express the given series as follows:

[tex]S=(1+3+5+7+...+99)-(2+4+6+8+...+100)\\S=S^{'}-S^{''}[/tex]

The series [tex]S^{'}[/tex] is as follows:

[tex]S^{'}=1+3+5+7+...+99[/tex]

It is observed that the above series [tex]S^{'}[/tex] is exactly same as the series given in the part(a) and the sum of the series of part(a) as calculated above is [tex]2500[/tex].

Therefore, sum of the series [tex]S^{'}[/tex] is [tex]2500[/tex] i.e., [tex]S^{'}=2500[/tex].

The series [tex]S^{"}[/tex] is as follows:

[tex]S^{"}=2+4+6+8+...+100[/tex]

From the above series it is observed that the series [tex]S^{"}[/tex] is an arithmetic series as the difference between each consecutive member is [tex]2[/tex] and the last term is [tex]100[/tex].

Substitute [tex]2[/tex] for [tex]a[/tex], [tex]2[/tex] for [tex]d[/tex] and [tex]100[/tex] for [tex]a_{n}[/tex] in equation (1).

[tex]\begin{aligned}100&=2+(n-1)2\\(n-1)2&=98\\n-1&=49\\n&=50\end{aligned}[/tex]

This implies that [tex]a_{50}=100[/tex].

To calculate the sum of  substitute [tex]50[/tex] for [tex]n[/tex] in equation (2).

[tex]\begin{aligned}S_{50}&=\dfrac{50}{2}(a+a_{50})\\&=(25)(2+102})\\ &=25\times 102\\&=2550\end{aligned}[/tex]

Therefore, sum of the series [tex]S^{"}[/tex] is [tex]2550[/tex].

Substitute [tex]2550[/tex] for [tex]S^{"}[/tex] and [tex]2500[/tex] for  in equation (3).

[tex]\begin{aligned}S&=S^{'}+S^{"}\\&=2500-2550\\&=-50\end{aligned}[/tex]

Therefore, the sum of the series for part(b) is [tex]\bf -50[/tex].

Part(c):

The series given in part(c) is as follows:

[tex]-100-99-9-...-2-1-0+1+2+...+48+49+50[/tex]

From the above series it is observed that it is an arithmetic series with common difference as [tex]1[/tex], first term as [tex]-100[/tex] and the last term as [tex]50[/tex].

Substitute [tex]-100[/tex] for [tex]a[/tex], [tex]1[/tex] for [tex]d[/tex] and [tex]50[/tex] for [tex]a_{n}[/tex] in equation (1).

[tex]\begin{aligned}50&=-100+(n-1)1\\n-1&=150\\n&=151\end{aligned}[/tex]

Substitute [tex]151[/tex] for [tex]n[/tex] in equation (2).

[tex]\begin{aligned}S_{151}&=\dfrac{151}{2}(a+a_{151})\\&=\dfrac{151}{2}(-100+50)\\&=-25\times 151\\&=-3775\end{aligned}[/tex]

Therefore, the sum of the series for part(c) is [tex]\bf -3775[/tex].

Learn more:

1. A problem on greatest integer function https://brainly.com/question/8243712

2. A problem to find radius and center of circle https://brainly.com/question/9510228  

3. A problem to determine intercepts of a line https://brainly.com/question/1332667  

Answer details:

Grade: High school

Subject: Mathematics

Chapter: Series

Keywords: Series, sequence, arithmetic sequence, arithmetic series, 1+3+5+7+9+….+99, 1-2+3-4+5-6+7-8+….-100, -100-99-98-….-2-1-0+1+2+…..+48+49+50, sum of series, first term, common difference.

Identify the equation that translates y=ln(x) five units down.
A) y= ln(x-5)
B) y=ln(x)+5
C) y=ln(x+5)
D) y=ln(x)-5

Answers

The equation that translates (y = ln(x)) five units down is (y = ln(x) - 5) and this can be determined by using the transformation.

Given :

Logarithmic equation  --  (y = lnx)

The following steps can be used in order to identify the equation that translates (y = ln(x)) five units down:

Step 1 - The graph of the logarithmic function (y = ln(x)) intersect x-axis at (x = 1).

Step 2 - According to the given data, the graph of (y = ln(x)) is translated down by five units. So, to translate the given function five units down subtract the given function y by 5 unis.

Step 3 - So, the resulting logarithmic equation after transformation is given by:

y = ln(x) - 5

Therefore, the correct option is D).

For more information, refer to the link given below:

https://brainly.com/question/17267403

hope this helps you out >_>

An Internet, telephone,and cable TV package plan costs 85$ each month. The Internet part of the bill is $20. The telephone part bill is $12

Answers

cable is 53 dollas ,20 plus 12 equals 32, 85 minus 32  equals 53 

The average number of rainy days in Seattle, Washington is listed below: Month January February March April Rainy days 18 16 17 14 If the data was only accurate to the tens place, which month's rainy day total would be different from the others?

Answers

April because all the other ones round to 20 and April's round to 10

Answer: April's rainy days are different from the others.

Step-by-step explanation:

Since we have given that

Months Rainy days

January 18

February 16

March 17

April. 14

When we round the rainy days to nearest tens then we get that

January has 20 rainy days

February has 20 rainy days.

March has 20 rainy days.

But April has 10 rainy days.

So, April's rainy days is different from others.

The relationship between the base and rate a plumber charges and his hourly fee is modeled by the linear function f (x) = 25x + 100 where x is the number of hours he works. What is the total bill if the plumber works for 6 hours ?

Answers

f(6)=25(6)+100
f(6)=150+100
f(6)=250
Final answer: $250

American car makers produce 5,650,000 cars each year. In a report, Ben wrote that Americans made 6,550,000 cars. What mistake did Ben make? How can he fix it? Find the error.

Answers

Ben wrote the number for the hundred thousands place in the millions place

Write words to match expression 3+(4x12)

Answers

3+(4x12)'s word expression could be:

Jeffy bought 4 rows and 12 columns of soup cans in a package. The cook, Chef PeePee gave him 3 more soup cans. How many soup cans does Jeffy have now. if u want de answer it is 51

The character names are from SML



PLZ Help
The tables show the cost of different numbers of t-shirts ordered at two different stores, Store A and Store B:

Store A

Number
of T-shirts Cost (in $)
2 $6
4 $12
8 $24


Store B

Number
of T-shirts Cost (in $)
3 $12
6 $24
9 $36


Which of these explains which store has a better buy?

Store A, because the ratio of the number to the cost is 3:1 in Store A and 4:1 in Store B

Store B, because the ratio of the number to the cost is 2:8 in Store A and 3:15 in Store B

Store B, because the ratio of the number to the cost is 8:2 in Store A and 15:3 in Store B

Store A, because the ratio of the number to the cost is 1:3 in Store A and 1:4 in Store B

Answers

Store A, because the ratio of the number to the cost is 1:3 in Store A and 1:4 in Store B

Answer:

The last one.

Step-by-step explanation:

I tried it and got it right. Bye. If it helped please let me know. Also if u need anymore help try reaching out to me.

The volume of a cube is 27n^27 cubic units. What is the length of one side of the cube?

A. 3n^3
B. 3n^9
C. 27n^3
D. 27n^9

Answers

The answer is B.
(3n^9)^3=27n^27
[tex]V=a^3\\\\ a^3=27n^{27}\\\\ a^3=3^3 \cdot n^{9\cdot 3}\\\\ a^3=3^3 \cdot (n^9)^3\\\\ a^3=(3n^9)^3\\\\ a=3n^3[/tex]

Answer B

I need help with this math problem _:5=72:30
i need to fill in the blank

Answers

30/5 = 6

72/6 = 12

your blank is 12

12:5 = 72:30

hope this helps

How do you add subtract multiply and divide complex numbers and polynomials

Answers

A complex number is the sum (or difference) of two parts: real and imaginary.To add or subtract two complex numbers, need to add\subtract separately the real part and imaginary separately. In the end, you will receive the imaginary and real part of the result. 

More difficult to divide complex numbers. 1. We must find the complex conjugate of the denominator 2. Then, we must multiply the numerator and denominator by that conjugate and simplify the expression.The complex conjugate have the part equal to given, and the imaginary part is opposite to given.

To multiply complex numbers, we must multiply it like the two expressions in brackets, and simplify the result.

Addition subtraction and multiplication of polynomials is also made as expressions in parentheses between them. During the operation it is necessary to cause such members.To divide the polynomial by the polynomial you need to record them so as if you divide the numbers in a column, and perform the division by the same rules. 

Final answer:

To operate on complex numbers, add or subtract real and imaginary parts separately, multiply using the distributive property, and divide by multiplying by the conjugate of the denominator. Polynomial operations similarly involve combining like terms, using the distributive property, and performing long or synthetic division.

Explanation:

Adding, Subtracting, Multiplying, and Dividing Complex Numbers and Polynomials

To add complex numbers, combine the real parts and the imaginary parts separately. For example, (3 + 2i) + (1 + 4i) = (3 + 1) + (2i + 4i) = 4 + 6i. For subtracting complex numbers, similarly subtract the real and imaginary parts: (3 + 2i) - (1 + 4i) = (3 - 1) + (2i - 4i) = 2 - 2i.

To multiply complex numbers, use the distributive property (FOIL), and remember that i² = -1. For instance, (3 + 2i)(1 + 4i) = 3 + 12i + 2i + 8i² = 3 + 14i - 8 = -5 + 14i.

For dividing complex numbers, multiply the numerator and the denominator by the conjugate of the denominator to rationalize it. For example, (3 + 2i) ÷ (1 + 4i), multiply numerator and denominator by (1 - 4i) to get [(3 + 2i)(1 - 4i)] ÷ [(1 + 4i)(1 - 4i)] = (3 - 12i + 2i - 8i²) ÷ (1 - 16i²) = (11 - 10i) ÷ 17 = (11÷ 17) - (10i÷ 17).

Polynomial operations are similar, but instead of imaginary units, we work with variables. For adding polynomials, combine like terms. For subtracting polynomials, change the sign of each term in the polynomial being subtracted and combine like terms. Multiplying polynomials also requires the distributive property, and for division, you can use either long division or synthetic division depending on the polynomials involved.

Round this number to the nearest 1,000 25,386
Round this number to the nearest 100,000 5,370,288
Round this number to the nearest 10,000 7,298,341
Round this number to the nearest 1,000,000 6,289,002
I know thi is a lot but please pretty pleas this is the hardest one:(

Answers

1. 25,000
2. 5,400,000
3. 7,300,000
4. 6,000,000

Hope this helped :)

About 400,000 people visited an art museum in December. What could be the exact number of people who visited the art museum?

Answers

The exact number of people who visited the art museum is; C) 352,483

How to approximate numbers?

We are told that about 400,000 people visited an art museum in December.

Now, the given statement makes it clear that the 400000 people is an approximate value. This means that it has been rounded up to the nearest 100000.

Now among the options, the only that when rounded up to the nearest hundred thousand will give 400000 will be Option C which is 353,483.

Read more about Approximation of numbers at; https://brainly.com/question/1689499

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Complete question is;

About 400,000 people visited an art museum in December. What could be the exact number of people who visited the art museum?

A) 478,051

B) 452,223

C) 352,483

D) 348,998

A regular octagon has side lengths of 11 centimeters. Determine the perimeter of the octagon. 66 cm 77 cm 88 cm 99 cm

Answers

an octagon has 8 sides

 the perimeter would be 8 x length of side

8x11 = 88 cm

Answer:

8*11 = 88 cm

Step-by-step explanation:

simple

John needs to make a scale drawing of his school building for art class. If the building is 256.25 meters long, and John scales it down using a ratio of 25 meters to 1 inch, how long will the building be in the sketch?

Answers

If the ratio is already determined to be 25 meters, this makes the problem.

We would do 256.25/25 = 10.25

The building will be 10.25 inches long in the sketch.

Answer:

10.25 inches

Step-by-step explanation:

John needs to make a scale drawing of his school building for art class.

The building is 256.25 meters long.

John scales it down using a ratio of 25 meters to 1 inch.

Therefore, 256.25 meters = [tex]\frac{256.25}{25}[/tex] = 10.25 inches

The sketch of the building would be 10.25 inches long.

1). The $70 selling price of a bicycle is the cost increased by 4 times the cost. Find the cost?
2). Three pounds less than twice mikes weight is 215 pounds. What is his weight?
3). If mr Washingtons saving were increased by 5 times his savings. He would then save $36,000. How much has he saved ?


PLEASE SHOW YOUR WORK !!!!

Answers

70 = x + 4x
70 = 5x
70/5 = x
14 = x <== the cost
=================
2m - 3 = 215
2m = 215 + 3
2m = 218
m = 218/2
m = 109 <== Mike's weight
==================
x + 5x = 36,000
6x = 36,000
x = 36,000/6
x = 6000 <== what he saved

1.  The cost of the bicycle is $14.

2. Mike's weight is 109 pounds.

3. Mr. Washington has saved $6,000.

Let's solve each problem step by step:

1. The $70 selling price of a bicycle is the cost increased by 4 times the cost.

Let's assume the cost of the bicycle is C dollars.

According to the given information, the selling price of the bicycle is $70, and it is equal to the cost increased by 4 times the cost:

70 = C + 4C

Combine like terms:

70 = 5C

Now, divide both sides by 5 to solve for C:

C = 70 / 5

C = 14

So, the cost of the bicycle is $14.

2. Three pounds less than twice Mike's weight is 215 pounds.

Let's assume Mike's weight is W pounds.

According to the given information, three pounds less than twice Mike's weight is 215 pounds:

2W - 3 = 215

Add 3 to both sides to isolate 2W:

2W = 215 + 3

2W = 218

Now, divide both sides by 2 to solve for W:

W = 218 / 2

W = 109

So, Mike's weight is 109 pounds.

3. If Mr. Washington's savings were increased by 5 times his savings, he would then save $36,000.

Let's assume Mr. Washington's initial savings is S dollars.

According to the given information, if his savings were increased by 5 times, he would save $36,000:

S + 5S = 36000

Combine like terms:

6S = 36000

Now, divide both sides by 6 to solve for S:

S = 36000 / 6

S = 6000

So, Mr. Washington has saved $6,000.

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What is the sum of 2/5 and 2/4

Answers

im pretty sure its 9/10.

Boundary Peak in Nevada is 13,000 feet high. Guadalupe Peak in Texas is 8,749.75 feet high. How much higher than Guadalupe Peak is Boundary Peak? Round your answer to match the less precise measurement.

Answers

4250.25
this is the correct answer all you need to do is round it. Hope this helps!

Answer:

The Boundary peak is 48.58% higher than Guadalupe peak.

Step-by-step explanation:

Givens:

Boundary Peak is 13,000 ft high.Guadalupe Peak is 8,749.75 high.

To know how much higher is Boundary Peak than Guadalupe peak, we only need to subtract:

Boundary Peak - Guadalupe peak = 13,000 - 8,749.75 = 4250.25 m.

However, the best way to represent this is to express it in percentage. To do that, we need to use the rule of three. If 100% is 8749.75, what percentage would be 13000:

[tex]13000m\frac{100\%}{8749.75m}=148.58 \%[/tex]

Therefore, the Boundary peak is 48.58% higher than Guadalupe peak.

NEED HELP FAST!
3.
(08.01 MC)
The graph shows two lines, A and B:



Based on the graph, which statement is correct about the solution to the system of equations for lines A and B? (1 point)


(3, 4) is the solution to both lines A and B.

(3, 4) is the solution to line A but not to line B.

(0, 2) is the solution to both lines A and B.

(0, 2) is the solution to line A but not to line B.

Answers

both lines intersect at (3,4)
so answer


(3, 4) is the solution to both lines A and B

Answer:

(3,4) For both

Both lines meet up at that point. X is the thicker ones in the middle going across the graph while y is upward.

(x,y)

An elephant can run one over four mile in 36 seconds. Which of the following correctly shows this rate as miles per hour?

thirty-six seconds over one-fourth mile = 25 miles per hour
one-fourth mile over thirty-six seconds = 144 miles per hour
one-fourth mile over thirty-six seconds = 25 miles per hour
thirty-six seconds over one-fourth mile = 144 miles per hour

Answers

It would be thirty six seconds over one-fourth mile= 144 miles per hour

Answer:

The answer is 1/4 mile over 36 seconds = 24 miles per hour

Step-by-step explanation: I hope this helps :)

identify the following probability as theoretical or empirical. After tossing the same coin 10 times, you are surprised to find that tails has come up 8 times. You therefore conclude that this coin is not fair and that the probability of getting tails with this coin is 0.80. A. Empirical B. Theoretical

Answers

Answer:

A. Empirical

Step-by-step explanation:

Theoretical probability is defined as a probability which is based on reasoning. This is written in a ratio form - of the number of favorable outcomes to the number of possible outcomes.

And the empirical probability gives an estimation of an event occurring based on how often that event occurred after collecting the data from large number of trials.

So, based on the definitions, the given scenario is empirical or experimental probability.

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