3 years ago

19. The perimeter of the rectangle is 36 centimeters.

Mathematics

1 answer:

Vadim26 [7]3 years ago

3 0

Answer:

I think its b

Step-by-step explanation:

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9x+5y=34 <br>8x-2y=-2<br>What are the values of x and y? Please explain the steps.

allsm [11]

Answer:

x = 1 and y =5

Step-by-step explanation:

$8x -2y= -2\\Divide by -2\\-4x+y = 1\\add 4x\\y= 1+4x\\$

Substitute this value of y in the next equation.

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Andrew jogs at an average speed of 5.5 miles per hour. He is planning a jog for Saturday morning. How far can Andrew go on his j

Temka [501]

Let

x-------> the time in hours

y------> the distance in miles

we know that

speed=distance/time-------> speed=y/x-------> equation 1

speed=5.5 miles/hour------> equation 2

equate equation 1 and equation 2

y/x=5.5--------> y=5.5*x---------> this is the equation for the problem

the distance that Andrew jogs will depend on the time spent

examples

a) if he runs for 2 hours,

then

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b) if he runs for 3 hours,

then

x=3 hours

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Step-by-step explanation:

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