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Juliette [100K]
2 years ago
7

REPEATED REASONING What happens to the circumference and the area of a circle when you double the radius? triple the radius?

Mathematics
1 answer:
GalinKa [24]2 years ago
5 0

Answer: So when you double the radius, the area goes up by 4 times because 2 squared is 4. The area will always go up by the square of how much the radius goes up. By contrast, the circumference will only double -- from 12.56 to 25.12 because you do not square the radius (or diameter) -- you just multiply it by pi.

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PLZ HELP!!!!!! ASAP! 70 POINTS!<br><br> Factor ax^2−ay−bx^2+cy+by−cx^2
dexar [7]

Answer:

(a-b-c)(X^2-Y)

Step-by-step explanation:

DONE!!

5 0
2 years ago
Read 2 more answers
Kyle is renting a jet ski for the day. Below are his two options.
Ira Lisetskai [31]

Hi Lawrence!

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

We Know:

Powersports Plus: $30 an hour plus a non-refundable deposit of $50.

Sun & Surf: $20 an hour plus a non-refundable deposit of $80.

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

Equation:

x = per hour

y = total

Powersports: 30x + 50 = y

Sun and Surf: 20x + 80 = y

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

Solution: (Add the deposit then start adding hourly costs)

Powersports: 80, 110, 140

Sun and Surf: 100, 120, 140

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

Answer: After <u>3 hours</u> both companies will cost the same amount of money.

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

Hope This Helps :)

3 0
3 years ago
Select all expressions that can be subtracted from 9x to result in the expression 3x+5.
Arte-miy333 [17]
<h2>Answer:</h2><h2>The expressions that can be subtracted from 9x to result in the expression 3x+5 is 6x - 5</h2>

Step-by-step explanation:

To find the expression that can be subtracted from 9x to result in the expression 3x+5.

Let us consider the expression, a - b = c

Here a = 9x

the result, c = 3x + 5

b = ?

Substitute the values in the above equation, we get

9x - b = 3x + 5

9x - (3x + 5) = b

b = 6x - 5

5 0
3 years ago
Biught 820 books and 34 books on a shelf how many shelves
kramer
24.12 because you have to divide 34 into 820 and then you get 24.12
6 0
3 years ago
I need help with algebra
rosijanka [135]

Answer:

x = -1 and y = 6

Step-by-step explanation:

using x = -b/2a

x = -4 / 2(2)

x = -1

y = 2(-1)² + 4(-1) + 8

y = 2 - 4 + 8

y = 10 - 4

y = 6

4 0
2 years ago
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