2 years ago

Item 9 Use the table to write a proportion.

Mathematics

2 answers:

Fed [463]2 years ago

7 0

Answer:

We need an attachment or more details to help you.

Step-by-step explanation:

zheka24 [161]2 years ago

5 0

We need more details in order to answer ❤️

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A function which is used to represent a problem, and which can be used to solve the problem, is called a ____.

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i think it would be a model.

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389,422 change all the digits

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389,422 rounded is 400,000.

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3 years ago

Which points are solutions to the system of inequalities shown below?

Oksana_A [137]

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Step-by-step explanation:

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3 years ago

PLEASE HELP and Show your work please!!

bazaltina [42]

9514 1404 393

Answer:

2) 3 pages per hour

3) 4/29 km per minute

Step-by-step explanation:

Division by a fraction is the same as multiplication by the inverse of that fraction.

$\dfrac{\ \dfrac{9}{4}\ }{\dfrac{3}{4}}=\dfrac{9}{4}\times\dfrac{4}{3}=\dfrac{36}{12}=\boxed{3\text{ pages per hour}}$

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2 years ago

Seattle, wa and san francisco, ca lie on the same longitudinal line. san francisco is at 38° latitude and seattle is at 47° lati

Varvara68 [4.7K]

Step 1.

Calculate measure of angle α:

$47^o-38^o=9^o$

Step 2.

Calculate what fraction of the angle 360° is the angle α:

$\dfrac{9^o}{360^o}=\dfrac{1}{40}$

Step 3.

Calculate the circumference of the Earth (circle):

$C=2\pi r\to C=2\pi\cdot4000=8000\pi\ mi$

Step 4.

The length of arc is equal 1/40 of the circumference:

$\dfrac{1}{40}C=\dfrac{1}{40}\cdot8000\pi=200\pi\ mi$

$\pi\approx3.14\to\dfrac{1}{40}C\approx200\cdot3.14=628\ mi$

<h3>Answer: A) 628 miles</h3>

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3 years ago