Solve by using the substitution method. 7x+3y=-37 -5x+y=39

Mathematics

1 answer:

AlladinOne [14]3 years ago

8 0

Your final answer will be x=-7 and y=4. Included a pic. Sorry about the chicken scratch and torn up envelope.

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Please solve this. ..

pentagon [3]

Slope = (y2 - y1) / (x2 - x1)
Slope = -26 - (-14) / 8-4
Slope = -12 / 4
Slope = -3

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2 years ago

Find the perimeter of a tringle that had sides 1 1/8 1 3/8 1 5/8

pychu [463]

Answer:A

Step-by-step explanation: Add the 1s first, you get 3, then add 3/8 and 5/8 and you Get 1. 3 +1 is 4 plus the remainder of 1/8

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3 years ago

Edi plays 1/4 of a song in 1/8 of a minute how many minutes will he need to play a full song

Neporo4naja [7]

Answer:

Let's see what to do buddy...

Step-by-step explanation:

$first \: \: \: \frac{1}{4} \: \: \:of \:a \: song \: needs \: \frac{1}{8} \: \: minute. \\ \\ second \: \: \: \frac{1}{4} \: \: of \: a \: song \: needs \: \frac{1}{8} \: minute \: too. \\ \\ also \: the \: third \: and \: fourth \: \: \: \frac{1}{4} \: \: \: of \: a \: song \: need \: \frac{1}{8} \: minute \: . \\ \\ so \: we \: have \: completly \: have \: 4 \times \frac{1}{8} \\ \\ which \: means \: edi \: needs \: 4 \times \frac{1}{8} = \frac{4}{8} = \frac{1}{2} \: minute \: to \: play \: all \: the \: song.$

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

3 0

3 years ago

Stephen, Gavin and Jim share some sweets in the ratio 4:1:2. Stephen gets 30 more sweets than Jim. How many sweets are there alt

Nutka1998 [239]

Answer:

$17.00

Step-by-step explanation:

8 0

3 years ago

10 - 3*3 / 9 = ? * = to the power of / = divided by

Neporo4naja [7]

Answer:

Step-by-step explanation:

you need to use PEMDAS

3 x 3 x 3 = 27 divided by 9 is 3 and 10-3=7

6 0

3 years ago