What's the value of pi?

Answers

Answer 1

Answer: $\pi = (the\ length\ of\ the\ circle)/(the\ length\ of\ the\ diameter) = (2\pi r)/(2r) \n \n \pi \approx3,14159\ 26535\ 89793\ 23846\ 26433\ 83279\ 50288\ 41971\ 69399\n37510\ 58209\ 74944\ 59230\ 78164\ 06286\ 20899\ 86280\ 34825\ 34211\n70679\ 82148\ 08651\ 32823\ 06647\ 09384\ 46095\ 50582\ 23172\ 53594\n08128\ 48111\ 74502\ 84102\ 70193\ 85211\ 05559\ 64462\ 29489\ 54930\n38196 ...$

Answer 2

Answer: There is no exact value of pi. I can give you some digits such as 3.1415926535 8979323846, this is used to calculate the area/ volume of many things and is often estimated as 3.14.

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If you needed to triple a recipe would the rate change? Please explain

Answers

Yes the rate would changed because you increased the size of the recipe.

No. This is because it is proportional/equivalent. For Example 1 cup of flour for 2 cups of sugar is the same as 3 cups of flour for 6 cups of sugar

What are the solution(s) to the quadratic equation x2 – 25 = 0?O x= 5 and x = -5
O x = 25 and x = -25 A
O x = 125 and x = -125
O no real solution
Mark this and return
Save and Exit
Noy

Answers

Answer:

x = 5 and x = - 5

Step-by-step explanation:

Given

x² - 25 = 0 ← x² - 25 is a difference of squares and factors as

(x - 5)(x + 5) = 0

Equate each factor to zero and solve for x

x - 5 = 0 ⇒ x = 5

x + 5 = 0 ⇒ x = - 5

What is the number 4,305,012 written in expanded notation

Answers

The number in expanded notation is 4,000,000+300,000+5,000+10+2.

-2x-3=-4x+3
What is X?

Answers

Well I don't know !
Let's get together and work it out.

You said that -2x - 3 = -4x + 3

Add 4x to each side: 2x - 3 =    3

Add 3 to each side: 2x    = 6

Divide each side by 2 :    x    = 3 .

To simplify, add 4x to each side;
-2x-3+4x=-4x+3+4x
2x-3=3
Add 3 to each side;
2x-3+3=3+3
2x=6
Divide each side by 2;
x=3
Hope this helps.

Which of the following is a irrational number a) 787 b) 13/17 c) 4.5102 d) 620

Answers

according to irrational numbers the answer is c

The Answer Is:

c. 4.5102

Delaney would like to make a 5lb mixture that is 60% peanuts and 40% almonds. She has several pounds of peanuts and several pounds of a mixture that is 20% peanuts and 80% almonds. Let p represent the number of pounds of peanuts needed to make the new mixture,and let m represent the number of pounds of the 80% almond-20% peanut mixture.(a) What is the system that models this situation?
(b) How many pounds of peanuts and how many pounds of the 80% almond-20% peanut mixture will she need?

Answers

This is a mixture problem. Let's call the mixture of

20%peanuts - 80% almonds as mixture A

Let's call the

100% peanuts as mixture B

and the

60% peanuts - 40% almonds as mixture C

Since we get mixture C by adding mixture A and B together, we know that the amount in pounds of mixture A and mixture B is 5 pounds.

Hence we

let m be the amount in pounds of 20%peanuts-80% almonds mixture, or mixture A

and

50-m be the amount in pounds of mixture B

So, the system of equations that models this situation is:

0.20m + 1(50-m) = 0.60(5)
0.80m + 0(50-m) = 0.40(5)

Solving for m using equation 2 gives us

m = 2.5 lb.

That means it will take 2.5 lb of mixture A (20%peanuts-80%almonds) and 2.5 lb of mixture B (100%peanuts) to form 5 lb of mixture C (60%peanuts-40%almonds).

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