2 years ago

to the nearest thousandth what is the cosine of the angle formed by the line whose equation is y=2x and the positive x axis

Mathematics

1 answer:

umka21 [38]2 years ago

4 0

Check the picture below.

make sure your calculator is in Degree mode.

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Find the measurement of the missing angles in each triangle. Explain your steps.

timurjin [86]

Answer:

31 degrees and 26 degrees

Step-by-step explanation:

Every triangles' angles equals 180 degrees.

180 - 82 - 67 = 31

180 - 80 - 74 = 26

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2 years ago

9. The function h(t) = 150 - 4t represents the height of a person repelling down

Kisachek [45]

Answer:

30 feet

Step-by-step explanation:

Hello!

Half an hour is 30 minutes, so that means we are asked to find h(30).

Solve for h(30):

h(30) = 150 - 4(30) $\implies$ Substitute 30 for t
h(30) = 150 - 120 $\implies$ Simplify
h(30) = 30

The person would be 30 feet above the ground in half an hour.

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2 years ago

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Y = x² + 7x - 5 Can be written in the form y = ( x + a )² + b. Find the value of a and the value of b.

Mamont248 [21]

Answer:

$a=\dfrac{7}{2} \\\\b=\dfrac{49}{4} \\$

Step-by-step explanation:

$y=x^2+7x-5\\\\=x^2+2*\dfrac{7}{2}*x +\dfrac{49}{4} -\dfrac{49}{4} -\dfrac{20}{4} \\\\=(x+\dfrac{7}{2} )^2+\dfrac{69}{4} \\\\a=\dfrac{7}{2} \\\\b=\dfrac{49}{4} \\$

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2 years ago

Janie receives an allowance of $ 3 $3dollar sign, 3 per week. In addition, she can earn $ 2 $2dollar sign, 2 for each chore she

Gnesinka [82]

Hello Dafnemlp47vj7

The inequality for one week would be <u><em>13 = 2c + 3 </em></u>

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2 years ago

A shopkeeper bought a television for Rs. 10000 and he sold it at profit of 25%. What was the selling price of the television? Pl

-Dominant- [34]

Answer:

12,500

Step-by-step explanation:

125%/100% x 10000

12,500

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2 years ago