describe a situation in which a formula could be used more easily if it were rearranged. Include the formula in your description.

Answers

Answer 1
I need to find the length of something when I am given the volume, width, and height.

v=lwh
l = v/wh

Hope this helps!
Answer 2
distance,speed, time formula

d = s * t

if ur looking for time, re-arrange the formula so it reads t = d / s
if ur looking for speed, re-arrange the formula so it reads s = d / t

Related Questions

What is the value of digit 0 in 175,028

Answers

Answer:

its in the hundreads place but it has no value becuase its 0

Step-by-step explanation:

SHOW STEPS PLEASE

-2= -√x-3) +5

Answers

Calculate what is the root then you get -2=-root x+2 then switch sides then you get -root x+2=-2 then you change the signs so now you have root x+2=2 then square both sides x+2=4 now you have x=4-2 then you obviously get 2 so x=2

A produce store sold 63 red apples. If the ratio of red apples to green apples sold was 7:2, what is the combined amount of red and green apples sold?

Answers

7/2 = 63/g..7 red apples to 2 green apples = 63 red apples to g green apples
cross multiply
(7)(g) = (2)(63)
7g = 126
g = 126/7
g = 18

so they sold 63 red apples and 18 green apples...for a total of (63 + 18) = 81 apples sold

The total number of apples sold if, A produce store sold 63 red apples, The ratio of red apples to green apples sold was 7:2, which is 81.

What is the ratio?

An ordered pair of numbers a and b, represented as a / b, is a ratio if b is not equal to 0. A proportion is an equation that sets two ratios at the same value.

Given:

A produce store sold 63 red apples,

The ratio of red apples to green apples sold was 7:2,

Assume the total number of apples sold is x then,

Total number of apple sold = 7x + 2x

But the number of red apples sold is given so,

7x = 63

x = 63 / 7

x = 9

Put the value of x in the above equation,

Total number of apple sold = 7 × 9 + 2 × 9

Total number of apple sold = 63 + 18

Total number of apples sold = 81

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how do i use parentheses to rewrite 16 - 4 × 3 + 7 so that it equals 120?

Answers

(16-4) x (3+7) when u subtract 16 and 4 you get 12. When u add 3+7 you get 10. After multiplying them together u get 120

(16-4) x (3+7) =120

when we subtract 16 and 4 you get 12.

When we add 3+7 you get 10.

After multiplying them together we get 120.

What are parentheses those called?

parentheses

Parentheses are a pair of punctuation marks that might be most customarily used to feature extra nonessential information or an aside to a sentence. Parentheses resemble two curved vertical lines: ( ). An unmarried one of these punctuation marks is called a parenthesis.

How do you operate parentheses?

Use parentheses to surround additional or supplemental data that clarifies or illustrates a point. Use parentheses to offer a digression or afterthought.Use parentheses to surround numbers or letters introducing objects in a list or outline.

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How long does it take $450 to double at simple interest rate of 100%

Answers

depending on when you get your interest rate. but it will double the second you get your interest rate, because it is a 100% interest

hope this helps

(it can be daily, weekly, monthly, etc)

Final answer:

It will take 1 year for $450 to double at a simple interest rate of 100%, as the simple interest formula shows that the interest equals the principal when the rate is 100% and time is one year.

Explanation:

To calculate how long it takes for $450 to double at a simple interest rate of 100%, we can use the formula for simple interest: Interest = Principal × Rate × Time. Since the goal is to double the principal, the interest earned should be equal to the principal of $450.

The simple interest formula in this shape becomes:
$450 = $450 × 1 × Time
When we simplify this, we find that Time equals 1.

Therefore, it will take 1 year for $450 to double at a simple interest rate of 100%.

use the model to write an equivalent fraction 3 over 4

Answers

3/4 * 2/2 = 6/8 ;; an equivalent fraction to 3 over 4 would be 6 over 8, or 6/8

6/8 , 9/12 are the equivalent fraction 3 over 4

What is Fraction?

A fraction represents a part of a whole.

The given fraction is 3/4.

In the given fraction the numerator is three and denominator is four.

We need to find the equivalent fractions of 3/4.

Equivalent fractions are the fractions that have different numerators and denominators but are equal to the same value.

Let us multiply with same number in numerator and denominator to find the equivalent fractions.

3/4×2/2=6/8

3/4×3/3=9/12

Hence, 6/8 , 9/12 are the equivalent fraction 3 over 4

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Water is flowing out of a conical funnel through its apex at a rate of 12 cubic inches per minute. If the tunnel is initially full, how long will it take for it to be one-third full? What is the height of the water level? Assume the radius to be 3 inches and the altitude of the cone to be 4 inches.

Answers

check the picture below.

so, bearing in mind that, the radius and height are two sides in a right-triangle, thus both are at a ratio of each other, thus the radius is at 3:4 ratio in relation to the height.

[tex]\bf \textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}\quad \begin{cases} r=3\\ h=4 \end{cases}\implies \stackrel{full}{V}=\cfrac{\pi \cdot 3^2\cdot 4}{3}\implies \stackrel{full}{V}=12\pi \\\\\\ \stackrel{\frac{2}{3}~full}{V}=12\pi \cdot \cfrac{2}{3}\implies \stackrel{\frac{2}{3}~full}{V}=8\pi ~in^3 \\\\\\ \textit{is draining water at a rate of }12~\frac{in^3}{min}\qquad \cfrac{8\pi ~in^3}{12~\frac{in^3}{min}}\implies \cfrac{2\pi }{3}~min[/tex]

[tex]\bf \textit{it takes }\frac{2\pi }{3}\textit{ minutes to drain }\frac{2}{3}\textit{ of it, leaving only }\frac{1}{3}\textit{ in it}\\\\ -------------------------------\\\\ \stackrel{\frac{1}{3}~full}{V}=12\pi \cdot \cfrac{1}{3}\implies \stackrel{\frac{1}{3}~full}{V}=4\pi\impliedby \textit{what's \underline{h} at this time?} \\\\\\ V=\cfrac{\pi r^2 h}{3}\quad \begin{cases} r=\frac{3h}{4}\\ V=4\pi \end{cases} \implies 4\pi =\cfrac{\pi \left( \frac{3h}{4} \right)^2 h}{3}[/tex]

[tex]\bf 12\pi =\cfrac{\pi \cdot 3^2h^2 h}{4^2}\implies 12\pi =\cfrac{9\pi h^3}{16}\implies \cfrac{192\pi }{9\pi }=h^3 \\\\\\ \sqrt[3]{\cfrac{192\pi }{9\pi }}=h\implies \sqrt[3]{\cfrac{64}{3}}=h\implies \cfrac{4}{\sqrt[3]{3}}=h \\\\\\ \cfrac{4}{\sqrt[3]{3}}\cdot \cfrac{\sqrt[3]{3^2}}{\sqrt[3]{3^2}}=h\implies \cfrac{4\sqrt[3]{9}}{\sqrt[3]{3^3}}=h\implies \cfrac{4\sqrt[3]{9}}{3}=h[/tex]

What is 26.99 round to the nearest tenth

Answers

Salutations!

To round to the nearest tenth, you need know whether the number next to tenth place is greater than 5 or lesser than 5. If its greater than 5, you need to round up. If its lesser than 5, you need to round down. Now, in the number 26.99 9 is in the tenth place. The number next to 9 is greater than 5, so just add on to the ones place, making the tenth and hundredth place 0. Zero has no value so whether you add the zero or not, it does not matter.

26.99 round to the nearest tenth ≈ 27

Hope I helped (:

Have a great day!

To round 26.99 to the nearest tenth, we increase the tenths place by 1 because the hundredths place is 9, resulting in 27.0.

When rounding 26.99 to the nearest tenth, we need to look at the hundredths place, which is 9. Since 9 is greater than 5, we round up the digit in the tenths place by 1. Therefore, the number rounded to the nearest tenth is 27.0.

Can you use the values in Pascal’s triangle to find the powers of 11? Explain.

Answers

Hey!

Hope this helps...

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Yes!

Ultimately (it states) all numbers in existence can be extracted from Pascal's Triangle.  Using his binomial formation of: (a + b)^0 = 1 , where y is the number you are using.  and (a + b)^x is the equation you use to find the answer of that row...  the usage of that row, and the formation of its components is how you find the powers of numbers in a given row...

You would be able to find each row of the Triangle, and by using the association of Multiplication, addition, distribution, and

If you look at the images below you will notice that to find a power of 11 at it's 6th power, you look at the 6th row of Pascal's Triangle... Although not completely relevant, I also added an image of using his Triangle to find the Powers of 2...

Remember, The images below are of only smaller versions of Pascal's Triangle, as his Triangle is of infinite size...

Yes, we can use the values in Pascal’s triangle to find the powers of 11

What is Pascal triangle?

Pascal triangles contains coefficient of (x + 1)'s expanded form's terms.

For first row, we have:

Thus, 1 is the value in the first row of Pascal triangle.

(x + 1) = 1

The variable x has coefficient 1, and that 1 itself, so second row of Pascal triangle has 1 , 1 as values.

It states that all numbers in existence can be extracted from Pascal's Triangle.

Using his binomial formation;

(a + b)^0 = 1 , where y is the number

(a + b)^x  is the equation that use to find the answer of that row. the usage of that row, and the formation of its components isto find the powers of numbers in a given row.

It would be able to find each row of the Triangle, and by using the association of Multiplication, addition, distribution.

Yes, we can use the values in Pascal’s triangle to find the powers of 11

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Describe and correct the error made in solving the system of equations by elimination

Answers

the mistake was when she multiplied the 2nd equation by 5, she forgot to also multiply that last number 10 by 5 as well.

correction :
5x + 3y - z = 15
-x + 2y + 3z = 10...multiply by 5
---------------------
5x + 3y - z = 15
-5x + 10y + 15z = 50 (result of multiplying by 5)
--------------------add
13y + 14z = 65

The error that was made is that the constant term in the second equation was not multiplied by 5.

How to solve these system of linear equations?

In order to determine the solution to a system of two linear equations, we would have to evaluate and eliminate each of the variables one after the other, especially by selecting a pair of linear equations at each step and then applying the elimination method and Addition Method.

Based on the information provided, we have the following system of linear equations:

5x + 3y - z = 15               .........equation 1.

-x + 2y + 3z = 10               .........equation 2.

By multiplying the second equation by 5, we have the following:

(-x + 2y + 3z = 10) × 5 = -5x + 10y + 15z = 50      .........equation 3.

By adding equation 1 and equation 3, we have the following:

5x + 3y - z = 15

-5x + 10y + 15z = 50

13y + 14z = 65

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Amy was asked to multiply and number by 8 and then add 5. Instead, she added 8 to the number and then multiplied the result by 5. This gave her 2015. What would the answer have been if Amy had followed the instructions correctly?

Answers

she did (x+8)*5

2015 = (x+8)*5

divide both sides by 5

403=x+8

x = 403-8 = 395


using same number if she followed instructions it would be

395*8 =3160+5 = 3165

The tax rate as a percent, r, charged on an item can be determined using the formula – 1 = r, where c is the final cost of the item and p is the price of the item before tax. Louise rewrites the equation to solve for the final cost of the item: c = p(1 + ). What is the final cost of a $40 item after an 8% tax is applied?

Answers

Sent a picture of the solution to the problem (s).

Answer:$43.20

Step-by-step explanation:

Multiply 16.852 × 0.86

Answers

14.49272 es el resultado pues tienes que poner millares o solo dejarlo en 14.492
16.852 x 0.86 =14.49272

He burj khalifa is 828,000,000 micrometers tall. how is this value written in scientific notation in the gizmo™?

Answers

To write this in scientific notation, we have to move the decimal place to the left. Moving the decimal place to the left indicate a positive movement, therefore the correct scientific notation in this case is:

8.28 x 10^8 micrometers

A line with a slope of -2 crosses the y-axis at (0, 3). The equation of the line is

Answers

m = -2 and b = 3
so equation
y = -2x + 3

hope it helps

y = 4
y = 1/4 x +2

What is the x coordinate of the solution to the system of the linear equations?

A. 0

B. 2

C. 4

D. 8

Answers

4 = .25x + 2 , .25x = 2 , x = 8. The answer is D
The answer is D.8
4=1/4x+2
2=1/4x
8=x

Suppose a and b are integers. How many solutions are there to the equation ab = 2a + 3b?

Answers

Try this for example:
Suppose a, b, m are integers such that a < 3m + 1 and b < 2m + 1. Then a ≤ 3m and b ≤ 2m. Therefore 2a ≤ 6m and 3b ≤ 6m. Adding these inequalities, 2a + 3b ≤ 12m. It follows that 2a + 3b < 12m + 1. We assumed a < 3m + 1 and b < 2m + 1, and deduced 2a + 3b < 12m + 1. This proves the contrapositive: If 2a + 3b ≥ 12m + 1, then a ≥ 3m + 1 or b ≥ 2m + 1. Remarks. This is not true for a, b, m real numbers instead of integers. For example, take m = 0, a = 1/2, b = 1/3. Then 2a + 3b = 2 and 12m + 1 = 1, so 2a + 3b ≥ 12m + 1, yet a < 3m + 1 and b < 2m + 1. So the hypothesis that a, b, m are integers can not be ignored. Also note that the negation of “a ≥ 3m + 1 or b ≥ 2m + 1” is “a < 3m + 1 and b < 2m + 1”. The original conclusion (a ≥ 3m+1 or b ≥ 2m+1) is true if either condition is true, or both; it is false if both conditions are false, i.e., a < 3m + 1 and b < 2m + 1. Here is a different way to understand it. Assume that it is NOT true that a ≥ 3m + 1 or b ≥ 2m + 1. In other words we are assuming NOT(a ≥ 3m + 1 or b ≥ 2m + 1). Then neither one of them can be true, so both a < 3m + 1 and b < 2m + 1.
I hope this helps you. This example will help your algebra.
Hello,
We are thinking on integers.
ab=2a+3b
ab-2a=3b
a(b-2)=3b
2 cases:
1) a=3 and b-2=b==>0=2 : impossible
2) a=b and b-2=3==>a=b=5 : 5*5=2*5+3*5


Simplify. −2i ⋅ (−3i)  

a.−6i

b. 6

c. −6

d. 6i




HURRY!

Answers

-2i * -3i
6i
6i^2
6 * -1
-6

Answer: C) -6 or the third option.
Final answer:

To simplify -2i * -3i, multiply -2 by -3 to get 6, then multiply i by i to get i². Because i² is equivalent to -1 in the complex number system, multiply 6 by -1 to get your answer, which is -6.

Explanation:

When multiplying two complex numbers like −2i and (−3i), the 'i' terms get multiplied together separately to the numerical terms. This is due to the distributive property of multiplication.

So, if we apply the multiplication, we would have −2 multiplied by −3 which gives us 6. Then, i multiplied by i gives us . The term is defined as -1 in the realm of complex numbers.

Putting these together we get 6 x -1, that results in −6.

Therefore, the simplified value of the expression is -6, which corresponds with option c.

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0.22m+7.20=0.1m+8.40

Answers

0.22m-0.1m=8.4-7.2
0.12m=1.2
m=10

The janitor at a school discovered a leak in a pipe. The janitor found that it was leaking at a rate of 10 fl oz per hour. How fast was the pipe leaking in gallons per day?

Answers

you would begin by multiplying the 10 oz per hour by 24 to show the output for a day (240 fl oz). then you would divide the total fluid oz (240) by 128 (number of oz in 1 gallon) and would get 1.875 gallons.

Answer:

The pipe is leaking at the rate of 1.875 gallons of water per day.

Step-by-step explanation:

In this question we will find the leakage per day first, then convert it into gallons.

The janitor discovered a leak, leaking with a rate = 10 oz per hour

And we know that there are 24 hours in a day therefore, pipe leaking per day will be = 24×10 = 240 oz.

Since 1 oz  = 0.0078125 gallons

Therefore, 240 oz = 240×0.0078125

                               = 1.875 gallons

The pipe is leaking at the rate of 1.875 gallons of water per day.

Tamara’s dosage of medication has recently decreased 20 milligrams per day. What is the total decrease in Tamara’s medication at the end of the week? Show your work.
Type answer here

Answers

20 mg times 7days = 140 mg/week

Corey needs 24 boards that ate 47 1/ 2 inches long. How many feet of boards should he buy. Explain

Answers

if each board is going to be 47 and 1/2 inches long, and there'll be 24 of them, then their total is just their product.

keep in mind that there are 12 inches in 1 foot.

[tex]\bf 24\cdot 47\frac{1}{2}\implies 24\cdot \cfrac{47\cdot 2+1}{2}\implies 24\cdot \cfrac{95}{2}\implies \cfrac{24}{1}\cdot \cfrac{95}{2}\implies \cfrac{2280}{2} \\\\\\ \stackrel{inches}{1140}\implies 1140~\underline{in}\cdot \cfrac{ft}{12~\underline{in}}\implies \cfrac{1140~ft}{12}\implies 95~ft[/tex]

what us the average rate of change

Answers

the rate of change is -2 for every set shown in the chart on the right

 so 6 to 7 would be -11 -2 = -13

7 to 8 would be -13-2 = -15

8 to 9 = -15-2 = -17

 B is the answer

Solve the equation, and check the answer
5g+4(-5+3)=1-g

Answers

the answer is 5g - 8 is your answer
1- 4=-3
(-5+3)=-2
-3/-2=1.5
1.5 times 5=7.5
g=7.5

A ladder leans against the side of a house. The top of the ladder is 10 ft from the ground. The bottom of the ladder is 6 ft from the side of the house. Find the length of the ladder. If necessary, round your answer to the nearest tenth

Answers

a^2 + b^2 = c^2
10^2 + 6^2 = c^2
100 + 36 = c^2
136 = c^2
sqrt 136 = c
11.7 = c.....the ladder is 11.7 ft

The length of the ladder is 11.66 ft.

What is the Pythagoras theorem?

The sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse.

a² + b² = c²

Given that a ladder leans against the side of a house. The top of the ladder is 10 ft from the ground. The bottom of the ladder is 6 ft from the side of the house.

Let the length of the ladder be x

Therefore, using Pythagoras theorem

x² = 10² + 6²

x² = 100 + 36

x = [tex]\sqrt{136[/tex]

x = 11.66 ft

Hence, the length of the ladder is 11.66 ft.

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there are 18 Bulls and 45 Cows on a ranch if 4 more cows and 4 more Bulls are added will the ratio of the bull to cows remain the same?

Answers

No, if you set up a proportion like this 18 bulls. 22 bulls
————. = ————
45 cows. X cows
You get 22 bulls over 55 cows and 55 doesn’t equal 45cows+4 cows= 49 cows
Final answer:

The ratio of bulls to cows does not remain the same after adding 4 more cows and 4 more bulls.

Explanation:

To determine if the ratio of bulls to cows remains the same after adding 4 more cows and 4 more bulls, we need to compare the new ratio to the original ratio.



Initial ratio of bulls to cows: 18/45 = 2/5



After adding 4 more cows and 4 more bulls, the new ratio becomes (18+4)/(45+4) = 22/49.



Since the new ratio is different from the original ratio, the ratio of bulls to cows does not remain the same after adding 4 more cows and 4 more bulls.

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A student earned grades of C,A,B, and A. Those courses had these corresponding credit hours: 4,6,1, and 6. The grading system assigns quality points to letter grades as follows: A=4, B=3, C=2, D=1, and F=0. Compute the grade point average (GPA) and round the result to two decimal places.

Answers

first 4 credit class earns a C is worth:
4(2)= 8
second 6 credit class earns a A is worth:
6(4) = 24
third 1 credit class earns a B is worth:
1(3) = 3
fourth 6 credit class earns a A is worth:
6(4) = 24

add up the total points
8+24+3+24=59
add up total credits
4+6+1+6=17

divide total points by total credits
59/17 = 3.47 GPA

To calculate GPA we will find the total points of the student and the total credit hours of the student.

The grades point average (GPA) of the student is 3.47.

Given to us

A student earned grades of C, A, B, and A. and the corresponding credit hours: 4,6,1, and 6.The grading system assigns quality points to letter grades as follows: A=4, B=3, C=2, D=1, and F=0.

Total points of the students

Points of the students = earned grades x corresponding credit hours

For C = 4 x 2 = 8 pointsFor A = 6 x 4 = 24 pointsFor B = 1 x 3 = 3 pointsFor A = 6 x 4 = 24 points

Total points = 8 +24 + 3 + 24 = 59

Total Credit hours

Total Credit hours = 4 + 6 + 1 + 6 = 17 hours

Grade point Average (GPA)

[tex]\rm{Grade\ point\ average\ (GPA) = \dfrac{Total\ points\ of\ the\ students}{Total\ Credit\ hours}[/tex][tex]\rm{Grade\ point\ average\ (GPA) = \dfrac{59\ points}{17\ hours} = 3.47[/tex]

Hence, the grade point average (GPA) of the student is 3.47.

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Zach deposits $15,000 into his savings. His savings account has an annual interest rate of 1.4%. How much money in interest will zach earn if he keeps the money in his savings for 3 years?

Answers

630$

15,000 x 0.014 x 3= 630$

In other words Zach played himself.

Evaluate the expression for the given value. 
 
36 ÷ m when m = 9



 
A.
324


 
B.
45


 
C.
27


 
D.
4

Answers

Plug 9 in for m
36/9=4

Final answer: D
36 / 9 = 4
answer

D. 
4

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

Ms. Sims is putting away 22 books. She can put them on the table in stacks of 10 or as single books. What are the different ways Ms. Sims can put away the books?

Answers

She can put them on an empty shelf all together or individually sort them in there proper order

Answer:

1)[tex]10+10+1+1=22[/tex]

2)[tex]10+1+1+1+1+1+1+1+1+1+1+1+1=22[/tex]

Step-by-step explanation:

Mrs. Sims has to put 22 books.

She can either put them in stacks of 10 or arrange them as single book(single stack).

There could be two ways in which she could arrange the books.

First way:

She could arrange the books in two stacks of 10 books ([tex]2\times10=20[/tex] and the remaining two books can be arranged as single books.

So, the arrangement is [tex]10+10+1+1=22[/tex]

Second way:

She could arrange books in one stack of 10 books and and remaining twelve books can be arranged as single books.

So, the arrangement is [tex]10+1+1+1+1+1+1+1+1+1+1+1+1=22[/tex]

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