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aalyn [17]
3 years ago
8

PLEASE HELP ME! (answer the question and don't just take the points)

Mathematics
1 answer:
Crank3 years ago
5 0
A. 355, it's the smallest amount you need.

b. 71*2*2.5... don't think this is right, I'm so sorry
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Which of the following pairs of lines are not parallel?
goldfiish [28.3K]

Answer: Not sure

Step-by-step explanation: A is wrong because they are parallel in one is on the top to the right and 1 is on the bottom. sorry thats all i know :(

7 0
2 years ago
6(m-1) = 3(3m + 2) Show all work
nordsb [41]

Answer:

\boxed{\sf m = -4}

Step-by-step explanation:

\sf Solve \:  for  \: m: \\  \sf \implies 6 (m - 1) = 3 (3 m + 2) \\  \\  \sf Expand \:  out  \: terms \:  of \:  the \:  left  \: hand \:  side: \\  \sf \implies 6 m - 6 = 3 (3 m + 2) \\  \\  \sf Expand \:  out  \: terms  \: of  \: the  \: right \:  hand \:  side: \\  \sf \implies 6 m - 6 = 9 m + 6 \\  \\  \sf Subtract \:  9 m  \: from  \: both  \: sides: \\  \sf \implies (6 m - 9 m) - 6 = (9 m - 9 m) + 6 \\  \\  \sf 6 m - 9 m = -3 m: \\  \sf \implies -3 m - 6 = (9 m - 9 m) + 6 \\  \\  \sf 9 m - 9 m = 0: \\  \sf \implies -3 m - 6 = 6 \\  \\  \sf Add  \: 6 \:  to \:  both  \: sides: \\  \sf \implies (6 - 6) - 3 m = 6 + 6 \\  \\  \sf 6 - 6 = 0: \\  \sf \implies -3 m = 6 + 6 \\  \\  \sf 6 + 6 = 12: \\  \sf \implies -3 m = 12 \\  \\  \sf Divide  \: both  \: sides  \: of \:  -3 m = 12 \:  by \:  -3: \\  \sf \implies  \frac{ - 3m}{ - 3}  =  \frac{12}{ - 3}  \\  \\  \sf \frac{ - 3}{ - 3} = 1: \\  \sf \implies m =  \frac{12}{ - 3}  \\  \\  \sf -  \frac{12}{3}  =  - 4 :  \\  \sf \implies m =  - 4

7 0
3 years ago
Solve for b<br><br> B=??????
kozerog [31]

Answer:

\frac{b-7}{b+1}=\frac{b-10}{b+4}

\left(b-7\right)\left(b+4\right)=\left(b+1\right)\left(b-10\right)

\left(b-7\right)\left(b+4\right)=b^2-3b-28

\left(b+1\right)\left(b-10\right)=b^2-9b-10

b^2-3b-28=b^2-9b-10

b^2-3b-28+28=b^2-9b-10+28

b^2-3b=b^2-9b+18

b^2-3b-\left(b^2-9b\right)=b^2-9b+18-\left(b^2-9b\right)

6b=18

\frac{6b}{6}=\frac{18}{6}

b=3

4 0
2 years ago
PLEASE HELP!!! ILL GIVE BRANLIEST *EXTRA POINTS* dont skip :((
Dmitrij [34]

Answer:

2.333333333

Step-by-step explanation:

divide 3 into 7 and it's is repeating

5 0
3 years ago
Read 2 more answers
What’s 3y to the power of 2 minus 2y
cricket20 [7]

Answer:

Step-by-step explanation:

5y 4 to the power

8 0
3 years ago
Read 2 more answers
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