2 years ago

This is an important test please help.

Mathematics

2 answers:

melomori [17]2 years ago

7 0

Answer:

60 percent

Step-by-step explanation:

please mark as brainliest

RoseWind [281]2 years ago

3 0

Answer:

60%

Step-by-step explanation:

54 /90 x 100% = 60%

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Hakeem's front porch measures 9 3/4 feet by 4 feet . Estimate the area of his front porch.

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answer is 40ft² estimated

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3 years ago

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vladimir1956 [14]

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3 years ago

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A right triangle's height is 3 times the length of its base. if the area of the triangle is 486, what is the height?

Irina-Kira [14]

The formula of the area of a triangle:
$A_\Delta=\dfrac{bh}{2}$
b - the bash - the height
We have:
b - the base3b - the height486 - the area

Substitute:
$\dfrac{3b\cdot b}{2}=486\ \ \ |\cdot2\\\\3b^2=972\ \ \ |:3\\\\b^2=324\to b=\sqrt{324}\\\\b=16\to h=3b=3\cdot18=54$
Answer: The length of the height is equal 54 units.

4 0

3 years ago

Pls help

Anvisha [2.4K]

Answer:

hii there

(56) + (-34) = 22

(22) + (17) + (8)= 47

(-14) + (-16) + (-32)= -62

(28) + (12) + (-9)= 31

(-39) + (-21) + (16)= -44

(-17) + (26) + (14)= 23

(25)+(12)+(−10)+(−7)= 20

Step-by-step explanation:

Hope it helps

have a nice day :)

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3 years ago