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Kryger [21]
3 years ago
5

Given that a*b = 2a - 3b, then 2*(-3) =​

Mathematics
1 answer:
belka [17]3 years ago
6 0

Answer:

2*(-3)= -6

Step-by-step explanation:

I do not see how "a*b=2a-3b" would change the fact 2 times negative 3 is -6

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yanalaym [24]

Answer:

i think it A

Step-by-step explanation:

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3 years ago
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Solve for x: 4 over 5 x + 4 over 3 = 2x x = __________________ Write your answer as a fraction in simplest form. Use the "/" sym
Vesna [10]
4/5x + 4/3 = 2x....there are 2 ways to do this...one with fractions, one without.

with :
4/5x + 4/3 = 2x
4/3 = 2x - 4/5x
4/3 = 10/5x - 4/5x
4/3 = 6/5x
4/3 * 5/6 = x
20/18 = x
10/9 = x

without :
4/5x + 4/3 = 2x....multiply by common denominator of 15
12x + 20 = 30x
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5 0
3 years ago
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PLSSSSS HELP I HAVE BEEN STUCK ON THIS FOR THE PAST HOUR!!!!!!!!!!!!!!!!!!!!!!!!!
vladimir1956 [14]

Answer:

- 6 \sqrt{2}

Step-by-step explanation:

simplify

\sqrt{28800}

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120 \sqrt{2}

then

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then we have our answer

-6√2

6 0
3 years ago
School rules permit no fewer than 2 teachers per 25 students. There are at least 245 students enrolled in the school. If x repre
NISA [10]
First, let's write down this inequality:
<span>There are at least 245 students enrolled in the school.

 y≥245

This inequality says what the sentence says!

now, the number of teachers must be:
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so those two inequalities, taken together will be the answer!
</span>
6 0
3 years ago
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Hey guys stuck on three questions, can you help out a bit? Thanks!
alexandr1967 [171]

Answer:

D

Step-by-step explanation:

Because the numbers do not comply with the like 11+6+18+21= no answer and multiplying them all didn't matter either so its none of the above

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3 years ago
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