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DedPeter [7]
3 years ago
7

Help for brainliest plz zoom in to see better

Mathematics
2 answers:
daser333 [38]3 years ago
8 0
All i know is 5= a sorry
Vladimir [108]3 years ago
4 0
The answer is
1: c
5: a
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The sum of the interior angles of a polygon is
Crank

Answer:

D) 15

Step-by-step explanation:

The sum of the interior angles of a polygon is given by

(n - 2) \times 180

We have that, the sum of the interior angles of a polygon is

26 right angles. We want to find n, the number of sides.

We substitute into the formula to get:

(n - 2) \times 180 = 26 \times 90

Divide through by 90

2(n - 2) = 26

Divide through by 2

n - 2 = 13

n = 13 + 2

n = 15

6 0
2 years ago
What is 27cm added to 1m 80cm
nikdorinn [45]
1cm means 1 centimeter
centi=1000 so
1cm=1/1000m
1m=1000cm

so 27cm+1m+80cm=27cm+1000cm+80cm=1107cm=1.107m
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3 years ago
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lora16 [44]

Step-by-step explanation:

3d + 4.5g <= 18.

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5 0
2 years ago
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Which expression is equivalent to 4x+3x+4-2x
kvv77 [185]

Answer:

5x+ 4

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First, put all of the x variables together. So 3x+4x=7x

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you can not add the four to the 5x because it does not have a matching variable.

So, you have: 5x+ 4

6 0
3 years ago
20. What is the y-intercept of the line<br> y + 11 = -2(x + 1.5).
Vinvika [58]

Answer:

86

Step-by-step explanation:

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3 years ago
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