Use pi=3 calculate the length of a cicumference of a circle with a radius of 5cm

Answers

Answer 1

Answer: circumference=2pir
r=5
pi=3
circumference=(2)(3)(5)
circumfernce=6(5)
circufmerence=30

answer is 30cm

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Compare the equation, y = 9x - 4x2, the graph below, and the table below. Which has the steepest rate of change from x = 1 to x = 2, and what is its value? x-1,1,2,3 y 0,2,0,-4A. graph, –1 B. table, -1/2 C. equation, –3 D. equation, -1/3
Evaluate.9-33.4 +69-33.4 +6 =
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What is perpendicular?

21²/0.219 to 2 significant figures

Answers

21^2/0.219 = 2013.69863
2 significant figures are the 20, so the answer is 2000

The answer is 2000…..

Simplify 1/4(4f-8) using the distributive property

Answers

1/ 4 ( 4 f - 8 ) =

1 x ( 4 f - 8 ) / 4 =

1 x 4 f - 8/ 4 =

= 4 f - 8 / 4

Factor out common term 4 :

= 4(f-2) 4

Divide the numbers : 4 / 4 => 1

Therefore:

= f - 2

hope this helps!

Final answer:

By applying the distributive property to the expression 1/4(4f-8), we get the simplified form of the expression as f - 2.

Explanation:

To simplify the expression using the distributive property, you need to multiply the term outside the parenthesis by each term inside the parenthesis. In this case, the term outside the parenthesis is 1/4. So, you would multiply 1/4 by 4f and 1/4 by -8. Doing this gives you:

1/4 * 4f = f

1/4 * -8 = -2

Therefore, 1/4(4f-8) simplifies to f - 2.

The question asks us to simplify the mathematical expression 1/4(4f-8) using the distributive property. To use the distribitive property, you distribute or multiply the 1/4 to each term within the parenthesis.

So, 1/4 * 4f is equal to f, while 1/4 * -8 is equal to -2. Therefore, the simplified form of 1/4(4f-8) becomes f - 2.

Learn more about Distributive Property here:

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Complete the conditional statement. If -2a > 6, then _____.

Answers

Answer:

a < -3

Step-by-step explanation:

-2a > 6

Divide each side by -2, remembering to flip the inequality

-2a/-2 < 6/-2

a < -3

Step-by-step explanation:

$-2a > 6 \n a > (6)/( - 2) \n a > - 3$

Hope this helps

A 12-punce box of cereal cost $2.29, What is the unit price to the nearest tenth of a cent/

Answers

I'd say it could be $2.40. I hope this helps

You have 7 dogs and you multiply 4 more dogs whats your answer.

Answers

The answer is 28 dogs.

Alvin is 5 years younger than elsa. the sum of their ages is 93. what is elsas age

Answers

Answer:

Step-by-step explanation:

Given:

Alvin is 5 years younger than Elsa, and the sum of their ages is 93.

Let x represent Elsa's age, so Alvin's age would be x - 5 because he is 5 years younger.

x + x - 5 = 93

Add like terms.

2x - 5 = 93

Add 5 to both sides.

2x = 98

Divide both sides by 2.

x = 49

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Someone Please Help!!! A barrel of tomato sauce has spilled on a tile floor. The sauce flow can be expressed with the function r(t) = 2t, where t represents time in minutes and r represents how far the sauce is spreading. The spilled sauce is creating a circular pattern on the tile. The area of the pattern can be expressed as A(r) = πr2. Part A: Find the area of the circle of spilled sauce as a function of time, or A[r(t)]. Show your work. (6 points) Part B: How large is the area of spilled sauce after 5 minutes? You may use 3.14 to approximate π in this problem. (4 points)