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Nostrana [21]
3 years ago
11

Hehe!! I need help w/ this. Can someone do this whole thing for brainliest?

Mathematics
1 answer:
Alla [95]3 years ago
6 0

Answer:

ok

Step-by-step explanation:

1-55

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Translate the word phrase into a variable expression.
NemiM [27]
<span>The word decreased by means subtract.
So...
Lets look at A.
A: a-b
Sound correct?
No,
Because the sentence said that "a is decreased by the number b."
Lets look at B.
B. b-a
Sound correct?
Yes,
Because a is getting decreased by b.

Your answer is, B.


Hope this helps!(:
</span>
8 0
3 years ago
The diameter of a circle is 4 inches. What is the area ? Give the exact answer in the simplest form.
pychu [463]

Answer:

50.27

Step-by-step explanation:

the formula the find the are of a cricle is A = pie r^2

pi · 4^2

4 0
2 years ago
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Step-by-step explanation:

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4 0
2 years ago
Triangle ABC has two known angles. Angle A measures 55 degrees. Angle B measures 30 degrees. What is the measure of angle C? Sho
alina1380 [7]

Answer:

According to triangle theorems, we know that the interior angles of a triangle equals 180 degrees. Since we know that angle A and angle B are 55 and 30 degrees, all we need to do is add them up and subtract it from 180 degrees to find out the measure of angle C.

55 + 30 = 85 degrees

180 degrees - 85 degrees = 95 degrees (this is the measure for angle C)

8 0
3 years ago
Please help me!!!!!!!!
Marina CMI [18]
I honestly don't know because i'm only in sixth grade but I think that it might be 30*.
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