What is the square root of ab^2

Answers

Answer 1

Answer:
Why that's just ( √a √b² ), which in turn is ( b √a ).

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Paul, Colin and Brian are waiters. One night the restaurant earns tips totalling £77.40. They share the tips in the ratio 1:3:5. How much more does Brian get over Paul?
1. 4x - 5y = 9-6x + 5y = -11 2. -2x -5y = -27 -2 + 3y = 13 3. 03x + 3y = 24 -8x + 3y = 14 4. -6 + 9y = 15 6x + 3y =21 5. -3x + 10y = 3 3x - 10y = -5 6. -x + 2y = 19 -x - 2y = -17 7. -8x + 10y = 22 -8x -7y = -29 8. -8x - y = 3 -8x - y =3 9. solve the word problem by creating and solving a system of equations by elimination. "I am thinking of two numbers. Their sum is 1776 and their difference is 1492. what are those numbers? Solution: the NUMBERS ARE _ AND _!
If m∠2 = 137 and m∠P = 22, what is m∠O?
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I need help again and can smb help me with the whole study guide pls !

The area of a circle of radius r is given by A=\pi r^2A=πr 2 and its circumference is given by C=2\pi rC=2πr. At a certain point in time, the radius of the circle is r=8r=8 inches and the area of the circle is changing at a rate of \frac{dY}{dt}=\pi\sqrt{2} dt dA =π 2 square inches per second. How fast is the radius of the circle changing at this time

Answers

Answer:

Step-by-step explanation:

If I'm understanding this correctly, your problem is as follows:

The area of a circle is given by the formula

$A=\pi r^2$

The area of the circle is changing at a rate of $(dA)/(dt)=√(2)\pi$ . Find the rate of change of the radius, $(dr)/(dt)$ , when r = 8.

Assuming that is what you are asking, we will begin by finding the derivative of the area of a circle using implicit differentiation.

$(dA)/(dt)=\pi2r(dr)/(dt)$

Filling in what we have:

$√(2)\pi=\pi(2)(8)(dr)/(dt)$ which simplifies a bit to

$√(2)\pi=16\pi(dr)/(dt)$

Divide both sides by 16π to get:

$(√(2)\pi )/(16\pi)=(dr)/(dt)$

The π's cancel leaving the rate of change of the radius as

$(dr)/(dt)=.0883883476$ inches per second

The following triangles are similar. Find x.10

13.5

15

14

Answers

Let's use the line on the right side. In the smaller triangle, the length is 4. The same side on the bigger triangle is 12. The ratio of the smaller triangle to the bigger triangle is:

$(4)/(12) \rightarrow 4:12$

$12 / 4 = 3$

To find a side length for the bigger triangle, all you need to do is multiply by 3. The same side on the smaller triangle is 5. Multiply by 3

$5 * 3 = 15$

That means x = 15

What is 10 - 3.587can Someone pls explain this to me and show me the work

Answers

Answer: 6.413

Step-by-step explanation:

What is 10 - 3.587?

This is subtraction of decimals. To subtract decimals, you can follow these steps:

• Write down the numbers given with the bigger number on top of the lower number.

• Add zeros after the decimals so the numbers will both have same length.

• Then subtract.

Therefore, 10 - 3.587 will be:

= 10.000 - 3.587

= 6.413

PLSSS!!!!! HELP ME!!!! I WILL MARK U!!! MATH!!!!!!!!!!!!

Answers

Answer:

Step-by-step explanation:

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Step 1: Define

bc² - b

b = 2

c = -5

Step 2: Substitute and Evaluate

Substitute: 2(-5)² - 2
Exponents: 2(25) - 2
Multiply: 50 - 2
Subtract: 48

Answer:

Step-by-step explanation:

Hello,

$bc^2-b=b(c^2-1)\n \n\text{So for b = 2 and c = -5} \n\n2* ((-5)^2-1)=2* (25-1)=2* 24 = 48$

Thanks

Explaining How to Compare Water Levels Ericka decided to compare her observation to the average annual trend, which shows the water rising 1.8 mm/year. Remember, she used 6.2 years as her time period. Explain how she would calculate the difference between how much water levels rose on average and how much the water level fell in the part of the river she observed.

Answers

Step-by-step explanation:

Below is an attachment containing the solution

Answer: She would multiply the rate by the years to find the average rise in water levels, or 1.8 times 6.2 = 11.16. To find the difference between the water levels, she would subtract -13.64 from 11.16.

Step-by-step explanation:

What are the first three terms of the sequence a1 = 3 and an = 2(an-1)^2? I thought the answer was 3,18,32 but that's not an option! help????