3 years ago

Please help me with #10 and #11. For number 10 are you writing like a story?

Mathematics

1 answer:

musickatia [10]3 years ago

3 0

Yes, you are writing a story for number 10

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oksano4ka [1.4K]

Answer:

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Read 2 more answers

PLZ help picture included

cupoosta [38]

Answer:

4 miles

Step-by-step explanation:

Let

x ----> the time to returned back biking in hours

d ---> the distance in miles

s ---> speed in miles per hour

Remember that

The speed or rate is equal to divide the distance by the time

$s=\frac{d}{t}$

The distance is equal to multiply the speed by the time

$d=st$

we know that

$18\ min=\frac{18}{60}\ hours$

The distance to his friend's house and the distance of return is the same

$10x=4(x+\frac{18}{60})$

solve for x

$10x=4x+\frac{18}{15}$

subtract 4x both sides

$10x-4x=\frac{18}{15}$

$6x=\frac{18}{15}$

$x=\frac{1}{5}\ hours$

The total distance of the round trip is

$y=10x+4x+\frac{18}{15}$

substitute the value of x

$y=10(\frac{1}{5})+4(\frac{1}{5})+\frac{18}{15}$

$y=2+2=4\ miles$

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3 years ago

Which equation shows 10x-2y=10 in slope intercept form

ValentinkaMS [17]

Slope:5
Intercept:5
Hope I helped

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