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Olenka [21]
2 years ago
8

The area of a rectangle is a 40 square inches. The width of the rectangle is 4 inches more than the length. What are the dimensi

ons of the rectangle?
Mathematics
1 answer:
Andreas93 [3]2 years ago
3 0

Answer:

I think 10

Step-by-step explanation:

because 4 times 10 is 40 and 4 side so 10 for each side

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Please, somebody, solve this quick and reply with step by step explanation AND provide all steps of working!
Alexxx [7]

Answer:

For a trapezium of height H, parallel side 1 X, and parallel side 2 Y, the area is:

A = (1/2)*H*(X + Y)

with this we can complete the table.

a)

Here we know:

X = 7cm

Y = 11cm

H = 6cm

Then: A = (1/2)*6cm*(7cm + 11cm) = 54 cm^2

b)

Here we know:

X = 8 m

Y = 10 m

A = 126 m^2

Then:

126 m^2 = 0.5*H*(8m + 10m)

126 m^2 = H*9m

126 m^2/9m = H = 14m

Then the height of this trapezoid is 14m

c)

Here we know:

X = 5mm

H = 8mm

A = 72 mm^2

Then:

72 mm^2 = 0.5*8mm*(5mm + Y)

72 mm^2 = 4mm*(5mm + Y)

72mm^2/4mm = 5mm + Y

18 mm = 5mm + Y

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13 mm = Y

Then the parallel side 2 is 13 mm long.

7 0
3 years ago
I need help with this question please
Vsevolod [243]

Answer:

32

Step-by-step explanation:

times

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3 years ago
What is blank/11 = 12/44 equivalent fractions
nordsb [41]

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3/11

Step-by-step explanation:

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2 years ago
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Answer:

A. 129.46

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Step-by-step explanation:

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Answer:

The triangles are similar due to AAA

Step-by-step explanation:

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Then the triangles are similar due to AAA

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