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3 years ago

What is the equation of a line when the slope is -1/2 and the y-intercept is 0.

Mathematics

1 answer:

tangare [24]3 years ago

8 0

Answer:

y = -1/2x + 0

y = mx+b

Step-by-step explanation:

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How many total inches are in 7 feet 4 inches and 4 feet 10 inches ??? A) 257 inches B) 130 inches C) 126 inches D) 146 inches wh

Gelneren [198K]

The correct answer is D, 146 inches.
7 x 12 = 84
4 x 12 = 48
84+48+4+10 = 146

5 0

3 years ago

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Xavier is designing a display for a bulletin board that is 3.5 feet wide.He wants to place a 14-inch-wide poster in the center o

My name is Ann [436]

There would be 14 inches on both sides.

{[(3 * 12) + 6 ] -14} ÷ 2
{[ 36 + 6 ] - 14 } ÷2
{ 42 - 14 } ÷2
28 ÷2
14

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3 years ago

Find constant proprotionality

german

Answer:

Cool

Step-by-step explanation:

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3 years ago

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Solve sin 0 + 1 = cos20 on the interval 0 ≤ 0 < 2pi. Show work please!

yan [13]

Answer:

$\theta=\frac{\pi}{2},\frac{3\pi}{2}\frac{2\pi}{3}\frac{4\pi}{3}$

Step-by-step explanation:

You need 2 things in order to solve this equation: a trig identity sheet and a unit circle.

You will find when you look on your trig identity sheet that

$cos(2\theta)=1-2sin^2(\theta)$

so we will make that replacement, getting everything in terms of sin:

$sin(\theta)+1=1-2sin^2(\theta)$

Now we will get everything on one side of the equals sign, set it equal to 0, and solve it:

$2sin^2(\theta)+sin(\theta)=0$

We can factor out the sin(theta), since it's common in both terms:

$sin(\theta)(2sin(\theta)+1)=0$

Because of the Zero Product Property, either

$sin(\theta)=0$ or

$2sin(\theta)+1=0$

Look at the unit circle and find which values of theta have a sin ratio of 0 in the interval from 0 to 2pi. They are:

$\theta=\frac{\pi}{2},\frac{3\pi}{2}$

The next equation needs to first be solved for sin(theta):

$2sin(\theta)+1=0$ so

$2sin(\theta)=-1$ and

$sin(\theta)=-\frac{1}{2}$

Go back to your unit circle and find the values of theta where the sin is -1/2 in the interval. They are:

$\theta=\frac{2\pi}{3},\frac{4\pi}{3}$

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2 years ago

What is 55/122 simplified

otez555 [7]

<span>There is no number that both 55 and 122 are divisible by. ....so 55/122 is the simplified form itself ....if u divide u will get the answer in decimals ....

Hope it helps !!!

</span>

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3 years ago