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3 years ago

8

If the car spends no time going 35 miles per hour, about how long would the trip take? Round the answer to the nearest hundredth

. and explain

1 answer:

GrogVix [38]3 years ago

7 0

What’s the car ride hour

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The length of a rectangle is four times its width. If the area of the rectangle is 324m^2, find its perimeter.

Anuta_ua [19.1K]

Answer:

$perimeter=90$

Step-by-step explanation:

We know that the length is four times the width, so:

$l=4w$

We also know the area, which is 324 m². The formula for area:

$A=l*w$

Insert the known values:

$324=(4w)*w$

Solve for w. Simplify by removing parentheses:

$324=4w*w\\324=4w^2$

Divide 4 from both sides to isolate the variable:

$\frac{324}{4}=\frac{4w^2}{4} \\\\81=w^2$

Find the square root of both sides:

$\sqrt{81} =\sqrt{w^2} \\\\w=9$

The width is 9 m.

We know the width. Now find the length by using the area formula and inserting known values:

$324=l*9$

Solve for l. Divide both sides by 9:

$\frac{324}{9}=\frac{l*9}{9}\\\\ l=36$

The length of the rectangle is 36. (You can check: 4 times 9 is 36)

Now find the perimeter:

$P=2l+2w$

Insert values:

$P=2(36)+2(9)\\\\P=72+18\\\\P=90$

The perimeter is 90 m.

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3 years ago

Draw and lable a pentagon and a quadrilateral

Drupady [299]

Ok sweetie so the pentagon is the shape of a house like the first picture and quadrilateral shapes are these on the second file attached to this answer

hope i helped in any shape or form so... have a great day and goodluck on you thing

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3 years ago

Estimate and solve 3,836 ÷ 63 = ________. (2 points)<br> 60 r 9<br> 58 r 56<br> 60 r 56<br> 58 r 9

7nadin3 [17]

Answer:

60 r 56

Step-by-step explanation:

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2 years ago

4+4x+x^2 = y Given x = 3

stira [4]

Answer:

y=25

Step-by-step explanation:

y=4+4x+x^2

x=3

y=4+4(3)+(3)^2

y=4+12+(3)^2

y=4+12+(3x3)

y=4+12+(9)

y=16+9

y=25

If this helps please mark as brainliest

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3 years ago

Help me please, I have no idea how to do Scale Copies!

Y_Kistochka [10]

Answer: Count

Step-by-step explanation: You should multiply and use a calculator.

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3 years ago

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