4 years ago

Is the decimal form of 13/3 a rational number?

Mathematics

1 answer:

Arturiano [62]4 years ago

7 0

I would assume so since it is a repeating decimal.

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3. Is XY Tangent to circle Z? Y 12 X (20 Z 18

Ratling [72]

Answer:

XY is a tangent

Step-by-step explanation:

Given

$XY = 12$

$WY = 20$

$WZ = 8$

Required

Is XY a tangent?

XY is a tangent if:

$WY^2 = XY^2 + WX^2$

Because XY should make a right angle at point X with the circle

Where

$WX = 2 * WZ$

So, we have:

$WY^2 = XY^2 + WX^2$

$WY^2 = XY^2 + (2*WZ)^2$

$WY^2 = XY^2 + (2WZ)^2$

$WY^2 = XY^2 + 4WZ^2$

This gives:

$20^2 = 12^2 + 4*8^2$

$400 = 144 + 256$

$400 = 400$

Yes, XY is a tangent

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3 years ago

Slope (m)=3, passes through (0, - 2)

Svetradugi [14.3K]

Answer:

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rick earns $8.50 per hour at his mother office. He plans on working 12.5 hours this week. How much money will rick earn?

marusya05 [52]

That would be 8.50 times 12.5 which is $106.25

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3 years ago

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The product of a number and -6 is -600

rewona [7]

Answer:

n= 100

Step-by-step explanation:

Product is the answer when two numbers are multiplied together. So, n×-6=600.

100×-6=-600

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Steven answered 76% of the questions correctly on a test. Enter the percent of the questions Steven did not answer correctly

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24% of the questions were not answered correctly

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