Mathematics High School

Juan is saving money for a new car. He has already saved $200 and plans to save $25 per week. This situation can be represented by the function f(x) = 200 + 25x, where x is the number of weeks. How much money has Juan saved after 8 weeks?
$200
$400
$600
$800

Answers

Answer 1

He would have $400 after 8 weeks.

Answer 2

400 is the correct answer. I am too lazy to put an explanation, but trust me it's not 800, I just got it wrong.

Related Questions

Mary invests £12000 into a savings account. The account pays 1.5% compound interest per year

Answers

Mary will earn $1800 of interest each year

Answer:

Value of her investment after 2years is £12,362.7

Step-by-step explanation:

The question is incomplete, here is the complete question.

"Mary invests £12000 in a savings account. The account pays 1.5% compound interest per year. Work out the value of her investment after two years"

Using the relationship:

A = P(1+r/100)^n

Where P is the principal = amount invested = £12000

r is the compound interest = 1.5%

n is the time = 2years

A is the amount compounded after n years

A = 12000(1+1.5/100)²

A = 12000(1+0.015)²

A = 12000(1.015)²

A = 12000(1.03)

A = 12362.7

Value of her investment after 2years is £12,362.7

I need help 2/3 - 4/10

Answers

Finding a common denominator, we have 3*10=30. Therefore, we multiply 2/3 by 10/10 (we can do this using the identity property of multiplication) and 4/10 by 3/3 to get 20/30-12/30=8/30=4/15 (by dividing 8 and 30 by 2)

Examine the work shown. Explain the error and find the correct result.

2(4 – 16) – (–30)
2(–12) – (–30)
24 – (–30)
54

Answers

The product of two numbers with different signs is negative, so 2(-12) = -24, not 24. Then -24 — (-30) = -24 + 30 = 6.

The error is in third step where 2(–12) is -24 and not 24 thus the correct result is 6.

What is an expression?

An expression is a number, or a variable, or a combination of numbers and variables and operation symbols.

Now the given expression is,

2(4 – 16) – (–30)

solving the bracket,

2(–12) – (–30)

expanding the bracket we get,

-24 – (–30)

this is the error in the given work where 2(–12)– (–30) = 24– (–30)

Thus open the bracket,

-24 + 30

solving we get,

which is the correct answer.

Thus, the error is in third step where 2(–12) is -24 and not 24 thus the correct result is 6.

To learn more about expressions:

https://brainly.com/question/24744636

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What is the conclusion in this conditional statement?

If a square has a perimeter of 8 units, then its sides have a length of 2 units each.
the square has a perimeter of 8 units
the sides of the square have a length of 2 units each
Submit

Answers

Final answer:

The conclusion in the given conditional statement is that the sides of the square have a length of 2 units each. This is deduced from the formula for the perimeter of a square (P = 4 × side length), and the given perimeter of 8 units.

Explanation:

The conclusion in the conditional statement "If a square has a perimeter of 8 units, then its sides have a length of 2 units each" is the sides of the square have a length of 2 units each.

In a conditional statement, the "if" part is known as the hypothesis and the "then" part is the conclusion. Given that a square's perimeter is the sum of the lengths of all four sides, we can show this through an equation: P = 4 × s, where P represents the perimeter and s the length of one side. Since the perimeter is given as 8 units, we can solve for s by dividing the perimeter by 4: 8 units = 4 × s, which simplifies to s = 2 units. Therefore, each side of the square must be 2 units long.

Final answer:

The conclusion in this conditional statement is that the sides of the square have a length of 2 units each.

Explanation:

The conclusion in this conditional statement is:

The sides of the square have a length of 2 units each.

In a conditional statement of the form 'if A, then B', the conclusion (B) is the statement that follows 'then'. In this case, the conclusion states that the sides of the square have a length of 2 units each.

what is the square root of 61 to the nearest integer?

Answers

The sqrt. of 61 to the nearest integer is 8!

answer:
8
work:
take the square roots around 61.
the square root of 8 is 64,
the square root of 7 is 49.
61 is closer to 64.
Integers cannot be fractions, so the answer of 7.8 is rounded up to 8!
hope this helps, have a great day!

Jennifer and Margaret have to make brownies for a bake sale. Jennifer can bake a dozen brownies in 20 minutes and Margaret can bake 15 brownies every half hour. Jennifer bakes for 1 hour and 40 minutes and Margaret bakes for 2 hours. How many brownies do the girls have for the sale altogether?

Answers

120 brownies is the correct answer

Is this answer correct? If not what is the correct answer

Answers

Hello,

Let 's assume AD=x,DC=6-x.
Using angle nisector theorem:
AD/DC=AB/AC
==> x/(6-x)=8/10
==>10x=48-8x
==>18x=48
==>x=48/18
==>x=24/9=2+2/3 (2.666666666.....)
Answer is false, the correct answer is 2 2/3

Answer:

Step-by-step explanation:

PLEASE HELP!!
(x-7)^3 (x+2)^2 (x-13) <0

Answers

x^6<-348 is the answer

Find the common ratio for the following sequence 9,6,4

Answers

It is a geometric sequence and common ratio is −23.

The common ratio for the sequence is 2/3

Finding the common ratio for the sequence

From the question, we have the following parameters that can be used in our computation:

Sequence: 9,6,4

The common ratio for the sequence is calculated using

Ratio = T2/T1

substitute the known values in the above equation, so, we have the following representation

Ratio = 6/9

Evaluate

Ratio = 2/3

Hence, the common ratio is 2/3

Answers

the answer is given above

Wastewater is filling barrels at the rate 7 quarts per hour.The recycling facility picks up 25 full barrels each trip, and each barrel hold 48 quarts of wastewater. How many days are between each pickup

Answers

25 *48 = 1200 total quarts

1200/7 = 171.43 hours

171.42/24 = 7.14 days

so every 7 days

What is 60% of 7?????

Answers

im pretty sure that the answer 4.2

60% = 0.60

7*0.6 = 4.2

What is the domain of 2x+5

Answers

The domain is "x", because that is what you input

hope this helps

When one thing is ten times as large as another, it is said to be "an order of magnitude" larger. a hundred times larger is two orders of magnitude. a thousand is three orders of magnitude. by how many orders of magnitude is the empire state building taller than a chair seat?

Answers

The empire state building is about 1,500 feet tall while the chair seat is about 1.5 feet

1,500 feet = 1.5 feet x 1,000

Thus, the empire state building is about a thousand times taller than a chair seat.

Therefore, the empire state building is taller than a chair seat by three orders of magnitude.

Evaluate. 62+(3⋅4)−24 Enter your answer in the box. plz help mehh someone out there ty

Answers

First we make multiplications in brackets 62 + 12-24
74-24=50

The value of expression 62+(3⋅4)−24 is 50

What is PEMDAS ?

A rule of operations explains the correct order in which math expressions should be evaluated, and we can remember those steps using PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Here, the expression is given as 62+(3⋅4)−24 now using PEMDAS rule to solve this expression first by solving under bracket terms 3x4 = 12 and then adding 62 and 12, then subtract it by 24 to get the final answer.

62+(3⋅4)−24

62 + 12 -24

74 - 24

Therefore, the value of expression 62+(3⋅4)−24 is 50

Read more about additive identity at:

https://brainly.com/question/11363695

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solve for the 20 points

Answers

1.4t - 0.4t + 1.24 = 5.8
t + 1.24 = 5.8
t + 1.24 (-1.24) = 5.8 (-1.24)
t = 4.56

hope this helps

Answer:

t=4.56

Step-by-step explanation:

t+1.24=5.8

t=4.56

I need help please!!!! Jon buys t shirts online for his friends. the table below shows the cost including the shipping fee. write a verbal description that describes the relationship

Answers

A t-shirt costs $12 per t-shirt plus $3 shipping. Write the equation that describes the total cost c for the number of t-shirts purchase t.

so equation
c = 3 + 12t

if t = 1 then c(cost) = 3 + 12(1) = 3 + 12 = 15
if t = 2 then c(cost) = 3 + 12(2) = 3 + 24 = 27
if t = 3 then c(cost) = 3 + 12(3) = 3 + 36 = 39
if t = 4 then c(cost) = 3 + 12(4) = 3 + 48 = 51

What is 12/7 written as a mixed number in simplest form

Answers

12 5
----- = 1----
7 7

Hope this helps

1 and 1/3 , just see how many times seven goes into 12 (1 time) and then put the remaining number over 12

Find the length of LM

Answers

Take 36,5x-29, and 2x-21 and add them. Then set them equal to 46+4x. Solve for x and you should get x=20. Now take this value and substitute it into the expression 2x-21 to find LM. Your answer should be 19.

Solve for c.

a(c + b)=d

Just show how I would need to move the equation to solve for c :)

Answers

First, divide by a to get c + b = d/a. Next, subtract the b to get c = d/a - b.

Optional:

c = d/a - ba/a = (d-ba)/a

Can somebody help me with this one?

Answers

s = sale price (in dollars)
p = sticker price (in dollars)
Note: the sticker price is what the customer pays after the discount
Another note: This is ignoring any taxes or other fees

We're told that the sale price is the result of taking 10% off the sticker price. This means...

sale price = (sticker price) - (10% of sticker price)
s = p - 0.10*p
s = 1*p - 0.10*p
s = (1 - 0.10)*p
s = (0.90)*p
s = 0.90*p

So the expression for the sale price is 0.90*p where p is the sticker price in dollars.

Note: this means that the sale price is 90% of the sticker price.

----------------------------------------

Now plug in the sticker price p = 80 to find the sale price s
s = 0.90*p
s = 0.90*80
s = 72

The sale price is $72 which is what the customer will pay (if we ignore any taxes or other fees).

What unit of measure would you use to measure length of piece of paper?

Answers

Typically, you would use inches.

If the highest score in a distribution is x = 16 and the lowest is x = 4, then the range is 12 or 13 points.
a. True
b. False

Answers

True. The interval between the lowest and highest scores (including the lowest and highest) is the range.

The range in the given scenario is only 12 points, not 12 or 13 points as mentioned.

False

Range = Highest score - Lowest score

Range = 16 - 4 = 12

Therefore, the range can only be 12 points.

what is the midpoint coordinates of segment HX H(13,8) X(-6,-6)

Answers

midpoint of (x1,y1) and (x2,y2) is

[tex](\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})[/tex]

so the midpoint of HX is the mdpoint of (13,8) and (-6,-6)
which is

[tex](\frac{13-6}{2},\frac{8-6}{2}=[/tex]
[tex](\frac{7}{2},\frac{2}{2}=[/tex]
[tex](3.5,1)[/tex]

the midpoint is (3.5,1)

What is the domain when a function has an imaginary number?

Answers

The imaginary numbers are often presented on a real-imaginary graph where the imaginary numbers are on the vertical axis.

A function that has imaginary numbers would have a domain that consists a range of numbers on the horizontal axis. Since the horizontal axis represents real numbers, hence the domain of the function (providing there's no limitation) is all the numbers on the horizontal axis

The standard recommendation for fluid needs is 30 ml/kg body weight. parker weighs 67 kg. how many cups of fluid will he need? (give your answer to the nearest tenth. give only the value. do not write the word cup or its abbreviation.)

Answers

Well First you multiply 67 kg, which is how much parker weighs, by 30. 30ml/kg means that there is 30ml for ever 1 kg and parker weighs 67. So Parker needs 2010 ml of fluid and the last thing you need to do is convert 2010 ml into cups. 1ml =.00423 cups. So you multiply 2010 by .00423 and you'd have you're answer. 8.5

What are the coordinates of the point (2, −3) after a counterclockwise rotation of 90° about the origin?
(3, 2)

(−3, −2)

(−2, 3)

(−3, 2)

Answers

Answer:

(2,-3) changes to (3,2)

A is correct.

Step-by-step explanation:

Given: The point (2, −3) after a counterclockwise rotation of 90° about the origin.

[tex]R_{90\circ}(x,y)\rightarrow (-y,x)[/tex]

Rotation is counterclockwise about origin.

[tex](x,y)\rightarrow (-y,x)[/tex]

We are given coordinate

[tex](2,-3)\rightarrow (3,2)[/tex]

We can see in diagram also. Please see the attachment for rotation.

Hence, (2,-3) changes to (3,2)

Answer:

Point would be (3,2).

Step-by-step explanation:

Given: point (2, −3) after a counterclockwise rotation of 90° about the origin.

To find: What are the coordinates after rotation.

Solution: We have given that point (2, −3).

By transformation rotation 90° (x,y)→→→(-y,x).

Then point (2, −3) would be (-(-3),2) .

Then (3 ,2)

Therefore, Point would be (3,2).

The sum of two consecutive integers is 47. what is the product of these integers?

Answers

The two consecutive integers that sum up to 47 are 23 and 24, and their product is 552.

The question involves finding two consecutive integers whose sum is 47 and subsequently determining their product. To solve this, let's denote the smaller integer as n, which means the next consecutive integer will be n + 1. Since the sum is 47, we set up the equation n + (n + 1) = 47.

This simplifies to 2n + 1 = 47. To find the value of n, we subtract 1 from both sides to get 2n = 46, and then divide both sides by 2, yielding n = 23. Therefore, the two consecutive integers are 23 and 24. To find the product of these integers, we multiply them together: 23 imes 24 = 552.

solve the equation c²=4

Answers

c^2 =4 the square root of four is 2 so two is your answer

Answer:

c = 2, c = -2

Step-by-step explanation:

The question is asking us to solve the equation [tex]\sf{c^2=4}[/tex].

To solve it, we take the square root of each side. Note that once we do this, we will have 2 solutions.

[tex]\sf{\sqrt{c^2}=\sqrt{4}}[/tex]

[tex]\sf{c=2,c=-2}[/tex]

Therefore, this equation has two solutions, which are c = 2 and c = -2.

If 3.485 ÷ 5.1 is written in long division form as so that the divisor is written as a whole number, where should the decimal point be placed in the dividend

Answers

it is 3.485 in the inside and 5.1 at the outside but the answer is 0.68333333333

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Juan is saving money for a new car. He has already saved $200 and plans to save $25 per week. This situation can be represented by the function f(x) = 200 + 25x, where x is the number of weeks. How much money has Juan saved after 8 weeks? $200 $400 $600 $800

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Juan is saving money for a new car. He has already saved $200 and plans to save $25 per week. This situation can be represented by the function f(x) = 200 + 25x, where x is the number of weeks. How much money has Juan saved after 8 weeks?
$200
$400
$600
$800