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elena55 [62]
3 years ago
15

Find the value of y.

Mathematics
1 answer:
Lerok [7]3 years ago
8 0

Answer:

y=4

Step-by-step explanation:

<h3>The triangle is divided further into 2 right triangles. So ignore the left one.</h3><h3>We know the angle of elevation is 30° and the hypotenuse is 8.</h3><h3>Looking at SOH CAH TOA we use the sine ratio in trigonometry because we have to find the side opposite to the angle given and we know the hypotenuse. </h3><h3>It is: sin 30 = y/8</h3><h3>y= 8 sin 30</h3><h3>y=4</h3>
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3 years ago
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244 times 21/61 times 5/8
scoundrel [369]
The answer is 52.5 because you are suppose to multiply each number in pairs. First multiply 21/61 times 5/8.Then you will get 105/488. Multiply 105/488 times 244/1 which equals 25,620/488. Simplify to the lowest form which equals 6,405/122. Divide 6,405 divided by 122. The answer will be 52.5. That is how you will get the answer. 
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3 years ago
Find the value of x in the solution to the system of equations shown.
ale4655 [162]
<span>y=4x-6
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4 years ago
Quadrilateral ABCD is shown. If m angles?
artcher [175]

Answer: m∠BCE = 63°

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Step-by-step explanation:

Problem 1:

Given

m∠BEC = 90°

m∠EBC = 27°

Total = 117°

Solution:

Subtract 180° - 117° = m∠BCE = 63°

Problem 2:

Given

m∠ADE = 52°

m∠ABE = 52°

Total = 104°

Solution:

Subtract 180° - 104° = m∠BAD = 76°

6 0
3 years ago
For a snack, mrs graham gives her student graham crackers. She has a package of 20 graham crackers to share equally to 8 student
lara31 [8.8K]

Answer:

2.5

Step-by-step explanation:

graham crackers  each student receive = total number of crackers / total number of students

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