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4 years ago

PLEASE HELP FOR BRAINLEIST ANSWER AND 30 POINTS THANKYOU IN ADVANCED YOU ARE TOO KIND :)

Mathematics

2 answers:

MrRa [10]4 years ago

8 0

So for the first question, they are all polygons except for figure D, because a polygon is a figure with at least three closed lines and angles.

The second question's picture seems to be a bit cut off, if you would tell me what the other angle measure is, I could definitely help you

The third question the answer would be A, since a regular polygon is one whose angles are the same size.

stealth61 [152]4 years ago

6 0

It is Figures A,B, and C. Answer D is not a polygon.

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Given: 3x+52=13 Prove: x = 7 write a two column proof

vivado [14]

The answer x = 7 is false here is why.

$3x+52=13\Longrightarrow3x=-39$

This further simplifies to solution,

$x=-\dfrac{39}{3}\Longrightarrow\boxed{x=-13}$

Hope this helps.

r3t40

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3 years ago

What is the mean of 5,4,5,4,42

kati45 [8]

Answer:

mean is 12

Step-by-step explanation:

The mean is another word for average

Add all the numbers together

(5+4+5+4+42) = 60

Divide by the number of numbers. There are 5

60/5 = 12

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3 years ago

Read 2 more answers

What is 4/5÷4/7 set up

photoshop1234 [79]

Answer:

7/5

Step-by-step explanation:

Step 1: Solve

4/5 ÷ 4/7 is the same as 4/5 * 7/4

4/5 * 7/4

7/5

Answer: 7/5

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3 years ago

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Leto [7]

Answer:

h=5

Step-by-step explanation:

10+38h=200

-10 -10

38h=190

divide 38 from each side

h=5

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4 years ago

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svet-max [94.6K]

Answer:

the answer ia true

Step-by-step explanation:

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2 years ago