2 years ago

Which statements are true?

Mathematics

1 answer:

meriva2 years ago

4 0

Answer:

All rhombuses are rectangles. False

All parallelograms are quadrilaterals. True

All squares are rhombuses. True

All rectangles are squares. False

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What is the value of x in the equation 1.5(x + 4) – 3 = 4.5(x – 2)

lozanna [386]

Answer: x=4

Step-by-step explanation:

1.5(x+4)-3=(x-2)

1.5x+6)-3=4.5x-9

1.5x+3=4.5x-9

+9 +9

1.5x+12=4.5x

divide 1.5x and 4.5

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Step-by-step explanation:

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Find an ordered pair that is a solution to the equation.

AveGali [126]

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$(x,y) = (4,1)$

Step-by-step explanation:

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2 years ago

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Consider the equation 2/5y = 20. Tell whether each statement is true or false

svlad2 [7]

Answer:

A. True
B. False
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D. True

Step-by-step explanation:

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2 years ago

A flat rectangular piece of aluminum has a perimeter of 60 inches. The

liq [111]

Answer:

8 inches

Step-by-step explanation:

Let w represent the width.

If the length is 14 inches longer than the width, it can be represented by w + 14.

Use the perimeter formula, p = 2l + 2w. Plug in 60 as the perimeter and w + 14 as l, then solve for w:

p = 2l + 2w

60 = 2(w + 14) + 2w

60 = 2w + 28 + 2w

60 = 4w + 28

32 = 4w

8 = w

So, the width is 8 inches

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3 years ago