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1 year ago

8

A line has a zero slope and passes through the point (4,-9). What is the equation of the line?

1 answer:

Ugo [173]1 year ago

5 0

keeping in mind that a line with a slope of "0" is a horizontal line, Check the picture below.

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The perimeter of a<br> square garden is 36 feet.<br> Find the side length of<br><br> the square.

lana66690 [7]

Answer:

uhhhh

Step-by-step explanation:

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3 years ago

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At lunchtime, a cafeteria served a total of 3/8 of a pot of chicken soup and 7/8 of a pot of

Effectus [21]

Answer:

1 1/4

reason:

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this can be simplified to 1 2/8
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3 years ago

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wariber [46]

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3 years ago

Christopher can eat 8 bags of skittles in 5 minutes. What is his rate per minute? Round your answer to the nearest hundredth. At

Dennis_Churaev [7]

<span>8/5 = 1.6 bag per minute

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? 10 minutes

8 x 10 / 5
= 80 /5
= 16

answer
</span>1.6 bag per minute
<span>and
16 bags in 10 minutes</span>

7 0

3 years ago

Solve the equation on the interval [0, 2pi): 12cos^2 x-9=0<br><br><br> What to do?

siniylev [52]

Answer:

$\large\boxed{x=\dfrac{\pi}{6}\ \vee\ x=\dfrac{5\pi}{6}\ \vee\ x=\dfrac{7\pi}{6}\ \vee\ x=\dfrac{11\pi}{6}}$

Step-by-step explanation:

$12\cos^2x-9=0\qquad\text{add 9 to both sides}\\\\12\cos^2x=9\qquad\text{divide both sides by 12}\\\\\cos^2x=\dfrac{9}{12}\\\\\cos^2x=\dfrac{9:3}{12:3}\\\\\cos^2x=\dfrac{3}{4}\to\cos x=\pm\sqrt{\dfrac{3}{4}}\\\\\cos x=\pm\dfrac{\sqrt3}{2}\\\\\text{Look at the picture}\\\\x=\dfrac{\pi}{6}\ \vee\ x=\dfrac{5\pi}{6}\ \vee\ x=\dfrac{7\pi}{6}\ \vee\ x=\dfrac{11\pi}{6}$

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3 years ago