3 years ago

What answer do you get when you solve 0.4(2a-0.3b)

Mathematics

1 answer:

guapka [62]3 years ago

5 0

Answer:

0.8a-0.12b

Step-by-step explanation:

Use the distributive property:

0.8a-0.12b

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In a triangle, angle A is twice angle B, and angle B is 1/3 Angle C. What

Vika [28.1K]

Answer:

90°

Step-by-step explanation:

The angles have to equal 180° because the figure is a triangle. B would be 30°, A would be 60°, and so C would be 90°.

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3 years ago

Convert to scientific notation.<br> 16,120

eduard

Answer:

$1.612\times10^4$

Step-by-step explanation:

In order to find the notation of a number find the total number of 0's that the number has, and realize that all whole numbers have a invisible decimal point.

$1.612\times10^4$

Exponent is positive to move the decimal point to the right four times

$1.6.1.2.0.$

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Hope this helps.

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3 years ago

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3 years ago

Help me I need the answer on paper help me now

ElenaW [278]

Answer:

x = 144

Step-by-step explanation:

Angle sum of heptagon = 900

5x + 90 + 90 = 900
5x + 180 = 900
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x = 144

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2 years ago