3 years ago

3

Mathematics

1 answer:

atroni [7]3 years ago

6 0

I’m not sure what the answer is , hopefully some ine can help you 66

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One third of a number x is equal to 22 less the number. Write and solve an equation to find the number. What would be the whole

zheka24 [161]

1/3(x)=22-x
x/3=22-x
(x/3=22-x)3
3x=66-3x
6x=66
x=11

3 0

3 years ago

Passes through (-2,6) with a slop of -1/4

nikitadnepr [17]

Answer:

y=-1/4x-5 1/2.

Step-by-step explanation:

Using the formula y-y1=m(x-x1), plug in the slope and the numbers and you'll get y=-1/4x-5 1/2.

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3 years ago

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Dana walks 3/4 miles in 1/4 hours. What is dana's walking rate in miles per hour?

Harman [31]

Dana’s waking rate in miles per hour is 3 mph.

I did 3/4 x 4 = 3 because she walked 1/4 a mile and I needed to figure out the miles per one whole hour.

I hope this made sense and helped you.

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3 years ago

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Plz help! will mark brainliest

Ilia_Sergeevich [38]

I'm pretty sure it's B

7 0

4 years ago

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Find the range of y = 3/2 cos 4x - 1

motikmotik

Answer:

B. $-2\frac{1}{2} \leq y \leq \frac{1}{2}$

Step-by-step explanation:

The given trigonometric function is

$f(x)=\frac{3}{2}cos4x-1$ .

The amplitude of this function is $\frac{3}{2}$ , so under normal circumstances the range is supposed to be

$-\frac{3}{2} \leq y \leq \frac{3}{2}$

But the $-1$ is a downward vertical shift.

Therefore the normal boundaries of the range will shift down one unit to give the range of the transformed function.

We subtract 1 from the lower boundary to get $-\frac{3}{2}-1=-2\frac{1}{2}$

We also subtract 1 from the upper boundary to get $-frac{3}{2}-1=\frac{1}{2}$

Hence the range is

$-2\frac{1}{2} \leq y \leq \frac{1}{2}$

Also see graph

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3 years ago