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mr_godi [17]
3 years ago
13

Find the missing side lengths.

Mathematics
1 answer:
Nadya [2.5K]3 years ago
7 0

Answer:

A

Step-by-step explanation:

we can find using the trigonometric formulas

we can find y by using cosine.

cos = adj / hyp

cos 60 = y / 10

y = 10 cos 60

y = 5

now we can use the Pythagorean theorem since we have the base and hyp

a² + b² = c²

5² + b² = 10²

25 + b² = 100

b² = 75

b = 5√3

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3 years ago
Select the three equations that pass through the points (-4, -16) and (5,2).
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Answer:

The equation of the line is y-2 = 2(x - 5), that passes through points (-4, -16)\ and\ (5,2)

Step-by-step explanation:

Given points are (-4, -16)\ and\ (5,2)

We need to write the equation of the line that passes through these points

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m=\frac{y_2-y_1}{x_2-x_1}\\\\m=\frac{2-(-16)}{5-(-4)}\\\\m=\frac{2+16}{5+4}\\\\m=\frac{18}{9}=2

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So, the equation of the line is y-2 = 2(x - 5).

5 0
3 years ago
Read 2 more answers
A car travels 136 miles using 7 gallons of gas. At that rate, how far can the car travel using 42 gallons of gas?
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Answer:

in 136 miles=7 gallons

?=42 gallon

= 136=7

?=42

cross multiply

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3 years ago
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Lita jogged for 7*3/10 kilometers on Friday. She jogged 1*3/4 kilometres more on Saturday. How many kilometres did she jog on bo
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hope this helps :)

8 0
3 years ago
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