1 year ago

Write an equation in the form y=mx for the proportional relationship that passes through the points (2, -15) and (6, -45).

Mathematics

1 answer:

nydimaria [60]1 year ago

7 0

Answer:

Y=-15/2x

Step-by-step explanation:

Guest

1 year ago

Thank you!

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If cos(t) = 2/7 and t is in the 4th quadrant, find sin(t).

Yuliya22 [10]

We can use the Pythagorean Trigonometric Identity which says:
$sin^2(t)+cos^2(t)=1$

Since we need to find sin(t), we have to solve for it:
$sin(t)= \sqrt{1-cos^2(t)}$

Let's plug in the given cos(t) value:
$sin(t) = \sqrt{1-cos^2( \frac{2}{7})}$

And solve sin(t):
$sin(t) = \sqrt{1- \frac{4}{49} } = \frac{x}{y} \sqrt{ \frac{49}{49}- \frac{4}{49} }$

Simplify further:
$sin(t) = \sqrt{ \frac{45}{49} } = \frac{ \sqrt{45} }{7} = \frac{ \sqrt{9*5} }{7}$

And it all simplifies down to:
$sin(t) = \frac{3 \sqrt{5} }{7}$

Since it's in the 4th quadrant, the sin(t) value is going to be negative. So, your final answer is:
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Hope this helps!

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2 years ago

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Answer:

Josh should by the dump truck with 30,000 pounds of gravel in it

Step-by-step explanation:

the easiest way to find this out is divide 30,000 and 2,500 by 150 and if the answer is a whole number, then you know that is the correct answer.

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May I have brainliest please? :)

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2 years ago

A rectangular field is enclosed by 360 feet of fencing. What is the length, in feet, of the field if it’s length is 6 feet more

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Answer:

The Field's length is 93ft

Step-by-step explanation:

P=2L+2w

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2 years ago

Write an equation in the form y=mx for the proportional relationship that passes through the points​ (2, -15) and​ (6, -45).

Write an equation in the form y=mx for the proportional relationship that passes through the points (2, -15) and (6, -45).