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Mathematics

1 answer:

Orlov [11]2 years ago

3 0

Answer:

Step-by-step explanation:

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-40+2n=4n-8n+8 EXPLAIN IN NUMBER FORM AND NO WORDS

marin [14]

Answer:

−40+2n=−4n+8

−40+2n+40=−4n+8+40

2n=−4n+48

2n+4n=−4n+48+4n

6n=48

answer: n=8

Step-by-step explanation:

8 0

2 years ago

How to Factor r^2-5r-14

12345 [234]

Answer:

(r-7)(r+2)

Step-by-step explanation:

First, let's look at the -14. Possible factors for that number are (-2, 7) (2, -7) (1, -14) and (-1, 14).

Now, let's look at the -5. How can we make -5 with the pairs that we just found?

The only possible way is 2 and -7 (added together equals -5)

6 0

3 years ago

Read 2 more answers

What is the square root of 75 to the nearest integer

kodGreya [7K]

<u><em>5√3 is the correct answer.</em></u> First you had to find the prime factorization of 75, and it gave us, $3*5^2=5*5=25*3=75$ , or $=\sqrt{5^2*3}$ . Then you can use apply radical rule, and it gave us, $\sqrt{3} \sqrt{5^2}$ , or $\sqrt{5^2}=5$ , and it gave us the answer is 5√3 is the correct answer. Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie