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amid [387]
3 years ago
9

Please help and thank you!!

Mathematics
1 answer:
ASHA 777 [7]3 years ago
7 0
Just isolate x. First you add 16 to both sides, that makes the equation 21=3x. Then divide by 3 and x=7
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Which pair of transformations moves quadrilateral 1 to quadrilateral 2?
malfutka [58]

Translate it 8units to the right then reflect it over the line y=-3

Why?

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6 0
3 years ago
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

so

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

6 0
3 years ago
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