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3 years ago

A square pyramid is shown. What is the surface area?

Mathematics

2 answers:

Blizzard [7]3 years ago

4 0

Answer:

C. 31.25 cm²

Step-by-step explanation:

<u>Surface area comprises of:</u>

A = Area of square base + 4(area of triangle faces)
A = 2.5² + 4*1/2*2.5*5= 31.25 cm²

Correct option is C

Leya [2.2K]3 years ago

4 0

Answer:

its 31.25 i took the test and got it right

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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2 years ago

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bekas [8.4K]

Answer:

p=405+60logx

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3 years ago

Which expression is equivalent to (-1.3x-4.5) - (-2.1x+3.6)?

timurjin [86]

Equivalent expressions are expressions with the same value.

The equivalent expression of $(-1.3x - 4.5)- (-2.1x + 3.6)$ is $0.8x -8.1$

Given that:

$(-1.3x - 4.5)- (-2.1x + 3.6)$

Open brackets

$(-1.3x - 4.5)- (-2.1x + 3.6) = -1.3x - 4.5+ 2.1x - 3.6$

Collect like terms

$(-1.3x - 4.5)- (-2.1x + 3.6) = -1.3x + 2.1x - 4.5 - 3.6$

$(-1.3x - 4.5)- (-2.1x + 3.6) = 0.8x -8.1$

Hence, the equivalent of $(-1.3x - 4.5)- (-2.1x + 3.6)$ is $0.8x -8.1$

Read more about equivalent expressions at:

brainly.com/question/18257981

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3 years ago