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3 years ago

15

Would really appreciate if you can comment step by step of how you get the answers.

1 answer:

lana66690 [7]3 years ago

4 0

Answer:

I hope this helps ^w^

Step-by-step explanation:

If this is a school paper, at the bottom or top there is usually a site. In this site, you search it up and type answer key. Then, if you are lucky the link would sent you to the answer key. If not, you can search up on yt how to do this such as x, y, z if still you can join study groups on cord. And lastly, if none of those work try messaging some friends. I wish you luck,

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The ordered pairs (12, 32). (x, 40), (18,48), (21, y) represent a proportional

sleet_krkn [62]

Answer:

x= 17

y=62

Step-by-step explanation:

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3 years ago

A water wheel has a radius of 9 feet. The wheel is rotating at 5 revolutions per minute. Find the linear speed, in feet per mi

guajiro [1.7K]

Answer:

$90\pi\text{ ft/s}\approx282.74\text{ ft/s}$

Step-by-step explanation:

Refer to physics equation $v=\omega r$ , where $\omega$ is angular velocity.

Angular velocity's SI unit is rad/s. Convert rev/min to rad/s:

$\displaystyle 5\text{ rev/min}=5\cdot \frac{1}{60}\cdot 2\pi\approx 0.524\text{ rad/s}$

Now substitute $\displaystyle\omega=\frac{1\pi}{6}$ and $r=9$ into $v=\omega r$ :

$\displaystyle v=\frac{1\pi}{6}\cdot 9=\frac{3}{2}\pi\text{ ft/s}=\boxed{90\pi\text{ ft/s}}$

5 0

3 years ago

Rebecca wants to crochet (knit) a scarf that is at least 4.4 feet long. So far, she has completed 2.5 feet. How much more does R

ankoles [38]

Answer:

at least 1.9 feet

if x is how much she intends to knit, inequality is x ≥ 1.9

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3 years ago

Please help me for brainiest):):):):):):

bazaltina [42]

Answer:

You can find 0.5% of a number by multiplying the number by

Step-by-step explanation:

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3 years ago

What is the value of 12.5 x 10^7

Marta_Voda [28]

12.5 x10^7

To multiply by 10^7, move the decimal 7 place values to the right and fill in with all necessary zeros.

Final answer: 125,000,000

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3 years ago