3 years ago

K. This table shows a directly proportional

Mathematics

1 answer:

larisa [96]3 years ago

4 0

Answer:

Step-by-step explanation:

It will be 27 because it is going by 3 so it will be 9 • 3 since 9 is the number of practices and the answer is the Distance (miles)

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If sales tax is 7%, what is the total cost of the sweater that is 12.00

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Answer:

$12.84

Step-by-step explanation:

Add 7% tax to $12.00:

12.00 + 7% =
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2 years ago

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VARVARA [1.3K]

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Step-by-step explanation:

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3 years ago

Aubrey and Charlie are driving to a city that is 120 miles from their house. they have already traveled 20 miles ,and they are d

Phoenix [80]

Answer:

The linear function is $y=50x+20$

The reasonable domain is $0\ hours \leq x\leq 2\ hours$

Step-by-step explanation:

Let

x ----> the time in hours

y ---> the distance in miles

we know that

The linear equation in slope intercept form is equal to

$y=mx+b$

where

m is the slope or unit rate

b is the y-intercept or initial value

In this problem

The slope is $m=50\ \frac{miles}{hour}$

The y-intercept is $b=20\ miles$

substitute

$y=50x+20$

Find the domain for x

For y=120 miles

Find the value of x

substitute the value of y in the linear equation and solve for x

$120=50x+20$

$50x=120-20$

$50x=100$

$x=2\ hours$

therefore

The domain is the interval [0,2]

$0\ hours \leq x\leq 2\ hours$

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3 years ago

Marta put 4.87 in her coin bank.Each day she added 1 quarter 1 nickel and 3 pennies how much was in her coin bank after 27 days?

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I believe it should be 50

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