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pantera1 [17]
3 years ago
11

I need help pleaseeeee

Mathematics
1 answer:
rosijanka [135]3 years ago
6 0

Answer:

C. 8.66 in

Step-by-step explanation:

<em>Using the formula of circumference of a circle</em>

<em>2\pi \: r</em>

<em>then</em><em>,</em><em> </em>

first find r by plagging in the given data.

so, r = 4.33 in

since it's diameter needed, then

r + r = d

4.33 in + 4.33 in = <em>8.66 in</em>

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Question 6 of 10
Liula [17]

Answer:

A or C. Pretty sure it's A though.

Step-by-step explanation:

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7 0
3 years ago
How much would it be worth in 5, 10, 20 years
pochemuha

Answer:

$675

$850

$1200

Step-by-step explanation:

Use formula for simple interest:

A = P (1+rt)

where

A = accrued amount (principal + interest) = what we want to find

P = Principal (initial) amount = Given as $500

r = rate of interest = Given as 7% = 0.07

t = time

For 5 years, t = 5

A = 500 [ 1 + 0.07(5) ] = $675

For 10 years, t = 10

A = 500 [ 1 + 0.07(10) ] = $850

For 20 years, t = 20

A = 500 [ 1 + 0.07(20) ] = $1200

8 0
3 years ago
Y=2/7 -7 y=-x+2 What is the solution for this system of equations?​
bulgar [2K]

Answer:

(61/7, -47/7)

Step-by-step explanation:

Given: y=2/7 -7

           y=-x+2

Rewrite the top equation ( y=2/7 -7

y = -47/7

y = -x + 2

Because both equations are equal to y, we can rewrite it again.

-47/7 = -x + 2

Add x to both sides

x + (-47/7) = 2

Add 47/7 to both sides.

x = 47/7 + 2/1

x = 61/7

As stated in the beginning, y is equal to -47/7

Hope you understand!

5 0
3 years ago
Let ƒ(x) = 5x − l and g(x) = x2 - 1. find (f ○ g)(−7)
attashe74 [19]

Answer:

240

Step-by-step explanation:

5(x² - 1)

5 ((-7)² - 1)

5(49 - 1)

5 (48)

4 0
3 years ago
Kate and David each have $10. Together they flip a coin 5 times. Every time the coin lands on heads, Kate gives David $1. Every
olga55 [171]

Answer:

4 possible ways this could happen

Step-by-step explanation:

1. $11

2. $12

3. $13

4. $14

hope this was helpful

8 0
3 years ago
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