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ella [17]
3 years ago
15

2. Suppose d4 = 1. By definition, what is the circumference of the smaller circle? C1 =

Mathematics
2 answers:
viva [34]3 years ago
5 0

Answer:

pi

Step-by-step explanation:

i just took it bro

melomori [17]3 years ago
3 0

Answer: the answer is pi (π)

Step-by-step explanation:

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What is the value of a in the equation 5a -10b = 45 when b = 3
leva [86]
Salutations!

5a-10b = 45

value of b = 3

Multiply 10 and 3

10*3=30

Now, you can solve the equation --

5a-30=45

separate the variables aside, and the numbers aside.

5a=45 +30

5a=75

a=75/5

a=15

Hope I helped (:

Have a great day!
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Store pays $50 for a pair of shoes. The markup is 25%.
monitta

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75%

Step-by-step explanation:

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