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lisabon 2012 [21]
3 years ago
6

I need help with this

Mathematics
1 answer:
adoni [48]3 years ago
6 0
Answer is D
Mark me the brainliest
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At a small private college, 9/20 of the students are female. If there are 2,160 female students,
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Step-by-step explanation:

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△ABC is similar to △DEF .<br><br> AB=5 inches, BC=9 inches, and DE=7.5 inches.<br><br> What is EF ?
Vikki [24]
Similar triangles have corresponding sides with proportional lengths.

AB/BC = DE/EF

5/9 = 7.5/EF

5(EF) = 9 * 7.5

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A base angle of an isosceles triangle measures 30, and the length of one of the legs is 12. What is the length of the altitude d
AfilCa [17]

Answer: 6

Step-by-step explanation:

From the question, a base angle of isosceles triangle is 30°.We are also informed that one of the legs is 12. The altitude is opposite to the angle having a measure of 30°. The hypoteneous in the right angled triangle which is formed by drawing the altitude is 12. This will be calculated as:

Sin = opposite/hypotenuse

Sin 30°=length of the altitude/12

Note that sin 30° = 0.5

0.5 = length of the altitude/12

length of the altitude = 12 × 0.5

Hence, length of altitude = 6

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3 years ago
How much greater is 28.95 than 14.25?
patriot [66]
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The diagram shows a triangle.<br><br> What is the value of w?
marshall27 [118]

Answer:

63-degrees

Step-by-step explanation:

triangle = 180 degrees

46 + 71 + w = 180

117 + w = 180 *subtract 117 from both sides*

w = 63

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3 years ago
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