3 years ago

What is the area of this shape?

Mathematics

1 answer:

Ymorist [56]3 years ago

5 0

Answer:

D) 7.5 square units

Step-by-step explanation:

The area of a triangle is found by

A = 1/2 bh

The length of the base is (50) =5

The height is (4-1) =3

A = 1/2(5)(3)

= 15/2

= 7.5

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Answer:

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Step-by-step explanation:

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Express a(2) (2a(-1/2)+a) in its simplest form

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First lets simplify the first term and yield (2a)

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Answer:

x = 4

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3 years ago

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Simplified?

kap26 [50]

Answer:

Option B

Step-by-step explanation:

Given the following question:

In order to find the answer, we need to convert the scientific notation into standard notation and then simplify by subtracting the decimals. Then we convert the standard notation back into scientific notation.

$0.0007 - (4.9\times 10^{-7} )$
$4.9\times10^{-7} =0.00000049$
$0.0007-0.00000049$
$0.0007-0.00000049=0.00069951$
$=0.00069951$
$0.00069951=6.9951 \times10^{-7}$
$=6.9951 \times10^{-7}$

Your answer is "6.9951 × 10^-7" or option B.

Hope this helps.

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