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Anettt [7]
2 years ago
15

3 x 7 + 2 = ? Please comment your answer! Thanks!

Mathematics
1 answer:
vladimir1956 [14]2 years ago
4 0

Answer:

23 stsstxtxychuvuvuvcy is the answe

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solving systems of equations by graphing/given the system of equations and their graphs. identify the solution
ipn [44]

Answer:

(-2,-3)

hope it will help you

7 0
3 years ago
Find the interior angle sum for the following polygon​
wolverine [178]

Answer:

1620°

Step-by-step explanation:

The figure is an 11-sided polygon and is called hendecagon

The interior angle sum:

180( n-2)   n=11

=180(11-2)

=180(9)

=1620°

I hope this help you

5 0
2 years ago
Simplify: 3d + 4 + 9d – 8 A. 12d + 4 B. 12d – 4 C. 6d + 12 D. 6d – 12
SVEN [57.7K]

Answer:

B) 12d-4

Step-by-step explanation:

3d+4+9d-8

3d+9d+4-8

12d+4-8

12d-4

4 0
3 years ago
Read 2 more answers
Which sign makes this statement true​
Vesna [10]

Answer:

The = sign

Step-by-step explanation:

1 11/20 = 31/20 = 1.55 and 1.55 =1.55

3 0
3 years ago
Read 2 more answers
Given that the expression x³_ ax² + bx+c leaves the same remainder when divided by x + 1 or x-2, find 'a' in terms of 'b'.​
goblinko [34]

Answer:

Hi,

a=b+3

Step-by-step explanation:

\begin{array}{c||c|c|c|c}&x^3&x^2&x&1\\---&---&---&---&---\\&1&-a&b&c\\x=-1&&-1&a+1&-a-b-1\\---&---&---&---&---\\&1&-a-1&a+b+1&c-a-b-1\\\end{array}

\begin{array}{c||c|c|c|c}&x^3&x^2&x&1\\---&---&---&---&---\\&1&-a&b&c\\x=2&&2&4-2a&2b+8-4a\\---&---&---&---&---\\&1&2-a&b+4-2a&c+2b+8-4a\\\end{array}

Thus:

c+2b+8-4a=c-a-b-1

3b-3a=-9

<u>a=b+3</u>

5 0
2 years ago
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