3 years ago

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Mathematics

1 answer:

KengaRu [80]3 years ago

5 0

Answer:

Step-by-step explanation:

plz mark brainliest would really help

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in class of 40 students report that english is their favorite class 40 percent of the students report that keyboard is there fav

olasank [31]

If 40% of students prefer keyboarding, 40/100*40=16 students like it best. If the remaining students prefer English, then 40-16=24 students like English best. Since 24 is more than 16, most students prefer English.

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3 years ago

How do you solve this?

Karolina [17]

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3 years ago

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

Please help I need to know before tomorrow

rodikova [14]

The answer is a since 150/6 is 25

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3 years ago

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A park plants young maple trees. A maple tree grows 1 1/2 feet per year.

nekit [7.7K]

I think you do multiplying fractions. So 1 1/2 x 20

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3 years ago

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