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swat32
1 year ago
15

Which expressions are equivalent to 2(4f+2g)-

Mathematics
1 answer:
musickatia [10]1 year ago
6 0
The correct is 8f+4g because 2*4=8 and 2*2 is 4
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Only answer if you know the correct answer! Thanks! :)
Komok [63]

Answer:

1. A

2. C

3. D

4. B

6 0
3 years ago
Read 2 more answers
The GCD(a, b) = 9, the LCM(a, b)=378. Find the least possible value of a+b.
denis-greek [22]
\mathrm{gcd}(a,b)=9\implies9\mid a\text{ and }9\mid b\implies9\mid a+b

which means there is some integer k for which a+b=9k.


Because 9\mid a and 9\mid b, there are integers n_1,n_2 such that a=9n_1 and b=9n_2, and


\mathrm{lcm}(a,b)=\mathrm{lcm}(9n_1,9n_2)=9\mathrm{lcm}(n_1,n_2)=378\implies\mathrm{lcm}(n_1,n_2)=42

We have 42=2\cdot3\cdot7, which means there are four possible choices of n_1,n_2:

1, 42
2, 21
3, 14
6, 7

which is to say there are also four corresponding choices for a,b:

9, 378
18, 189
27, 126
54, 63

whose sums are:

387
207
153
117

So the least possible value of a+b is 117.
6 0
3 years ago
Ebert used to make $22 an hour, but got a 10% raise.How much more will he make in a 40 hour work week with the raise?
Scilla [17]
The answer is 968 if because of add
6 0
3 years ago
Find the value of k,J, and h
alekssr [168]

Answer:

k=76

j=180-(90+76)=180-166=14

17h+13h=90

30h =90

h=3

6 0
3 years ago
PLEASE HELP ASAP<br> will mark brainliest <br><br> also, ignore what i already put
madam [21]

Answer:

-2x^2-11x^3

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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