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KatRina [158]
3 years ago
8

The diameter of Debby’s bicycle tire is 24 inches. What is

Mathematics
1 answer:
Alisiya [41]3 years ago
3 0

Answer:

75 in

Step-by-step explanation:

circumference=3.14*diameter. Plug in respective values and get 75.36, and then you round to 75.

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mrs_skeptik [129]

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5/6 probability

Step-by-step explanation:

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2 years ago
X^2+y^2=169, 3x+2y=39 please answer using substitution and each step
Oksanka [162]

Answer:

x=13,y=0

Step-by-step explanation:

We are given a system of equations

{x}^{2}  +  {y}^{2}  = 169 -  - eqn \: 1 \\ 3x + 2y = 39 -  - eqn \: 2

For equation 1,square all terms to reduce it

√x²+√y²=169

x+y=13

Make x the subject as required by the question to use substitution method

x=13-y

Plug x=13-y into eqn 2

3(13-y)+2y=39

39-3y+2y=39

39-y=39

y=39-39=0

Plug y=0 into equation 1

x+0=13

x=0

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2 years ago
Why are mathematicians like airlines?
ipn [44]
They both use planes.
8 0
3 years ago
40% is NOT equivalent to....?<br> A. 0.4<br> B.2/5<br> C.40/100<br> D. 0.04<br> E. None correct
tino4ka555 [31]

Answer:

D

Step-by-step explanation:

40% = 40/100 = 0.4 =2/5

8 0
3 years ago
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Which is easier to use - the outer semi-circle or the inner semi-circle?
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Step-by-step explanation:

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