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Lapatulllka [165]
2 years ago
8

What is the radius of the circle?

Mathematics
2 answers:
Fed [463]2 years ago
7 0

Answer:

13

Step-by-step explanation:

hope this helps you out of

miskamm [114]2 years ago
7 0

Answer:

To get Radius, you divide diameter by two, which is now 13.

Step-by-step explanation:

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yall i kinda need a bit of help The perimeter of the shape is 54 centimeters. What is the value of y? im super confused
gogolik [260]
Y= 9 because 54 divided by 6 sides = 9
4 0
3 years ago
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19. Jessie is building a ramp for loading motorcycles
goldenfox [79]

Answer:

A. 10.82

Step-by-step explanation:

7 0
2 years ago
Suppose an automotive repair company wants to determine the current percentage of customers who keep up with regular vehicle mai
Nina [5.8K]

Answer: 1692

Step-by-step explanation:

Formula to find the sample size :

n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2

Given : Confidence level : (1-\alpha)=0.90

⇒ significance level =\alpha= 0.10

z-value for 90% confidence interval (using z-table)=z_{\alpha/2}=1.645

Prior estimate of the population proportion (p) of customers who keep up with regular vehicle maintenance is unknown.

Let we take p= 0.5

Margin of error : E= 2%=0.02

Now, the required sample size will be :

n=0.5(1-0.5)(\dfrac{1.645}{0.02})^2

Simplify , we get

n=(0.25)(6765.0625)=1691.265625\approx1692

Hence, the required sample size = 1692

8 0
3 years ago
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Which answer shows this equation written in standard form?
STatiana [176]
4-3(x-y)=-8x+2
=4-3x-3y=-8x+2
=4-3x+8x-3y-2
=5x-3y+2
or 
5x-3y=-2
so it will be C=5x+3y=-2
5 0
3 years ago
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Circle the problems below that you could use mental math to solve.
SashulF [63]
I think this is more of an opinion question. What someone could solve mentally may not be the same as someone else's.If it were my worksheet, I'd circle all of them but it may be different for you.
At your level, I'd probably circle:
54 - 10
93 - 20
and 39 - 2
4 0
3 years ago
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