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Anika [276]
3 years ago
15

2. 6(6n + 2) + 9(-8n - 1)

Mathematics
1 answer:
spayn [35]3 years ago
5 0

Answer:

2. the final answer is -36n+3

3. the final answer is -4x-10

4. the final answer is 3c-81

5. the final answer is 17b-31

6. the final answer is 56y+64

7. the final answer is 24q+30

Note: I simplify each problem

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Find the volume of the triangular prism
Serhud [2]

Answer:

The volume of the triangular prism would be 210.

Step-by-step explanation:

Formula:

Volume of a triangular prism = (1/2) x Base area x Height

or

V = 1/2 x B x H

Find the Base area = l x w

Base area = (10 x 7) 70

Base area = 70 sq.m

V = (1/2) x (70) x 6

V = <em>210</em>

5 0
2 years ago
(6x2 + x - 3)(2x2 +1)
EleoNora [17]

Answer:

Step-by-step explanation: I'm not sue if the x's are squared so i didn't squared them but i got : 23x³-6x²

+13x-3

6 0
3 years ago
The length of a rectangle is 9 inches less than twice the width . If the perimeter of the rectangle is 84 inches find the dimens
exis [7]

Answer:

25 by 17

Step-by-step explanation:

9x2=18

84=18= 102

102/6 = 17 (width)

17x2-9=25 (length)

6 0
3 years ago
Sam thinks of a number n. He multiplies his number by 7 and then he adds 3 to the result. His final answer is 45. Write down an
Galina-37 [17]

N x 7 +3 = 45


N = 6    Hope this helps.

8 0
3 years ago
Read 2 more answers
7 is 1/10 of what number?
Olegator [25]
7 is 1/10 of 70

is means equal in mathematics
of means multiplication

7 = 1/10 x a

Multiply by 10 on both sides

a = 70
7 0
3 years ago
Read 2 more answers
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