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AnnZ [28]
3 years ago
9

Evaluate the expression for n =8 3+7 x n

Mathematics
1 answer:
bonufazy [111]3 years ago
4 0

Answer:n=-83/60 or -1.383

Step-by-step explanation:

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What 3 1/2 times 2 3/4
bonufazy [111]

Answer: 9/4 or 2.25

Step-by-step explanation:?????

5 0
3 years ago
Read 2 more answers
Factor the expression completely.
navik [9.2K]

Answer:

(2n + 7) (2n +7)

Step-by-step explanation:

To solve this problem we need to factorize 4n^2 + 28n +49 as shown below

4n^2 + 28n +49\\=>4n^2 + 14n + 14n +49\\=>2n(2n  + 7)  + 7(2n +7)\\=> (2n + 7) (2n +7)

thus, after factorization we see that first option is correct one

(2n + 7) (2n +7)

we can validate this by expanding it

2n (2n +7) + 7 (2n+7)\

=> 4n^2 + 14n + 14n + 49 = 4n^2 + 28n +49 (which is equal to the problem stated expression)

4 0
4 years ago
Sixth grade
Tema [17]

Answer:

7

Step-by-step explanation:

4 0
3 years ago
Which of the following measurements could be the side lengths of a right triangle?
n200080 [17]
I think the answer would be d
5 0
3 years ago
If 8 metres of ribbon costs me £4.80 how much does 18 metres of cost me
alexira [117]

Answer:

10.8

Step-by-step explanation:

8÷4.80=0.60

0.60×18=10.8

3 0
2 years ago
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