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gavmur [86]
3 years ago
14

Please help! Will mark as brainliest!

Mathematics
2 answers:
Juliette [100K]3 years ago
6 0

Answer:

C

Step-by-step explanation:

Use elimination by multiplying thw whole top equation by 2. (both sides)

then cancel out y and solve for x. plug back in to get y

please mark brainliest if you found this helpful

spayn [35]3 years ago
4 0

Step-by-step explanation:

scratch that last answer its really c

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Last week, Gina's art teacher mixed 9 pints of red paint with 6 pints of white
kherson [118]

Answer:

Step-by-step explanation:

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Second mix: 5 pints red and 2 pints white = 7 pints in 5:2 ratio

Second music is redder than first mix.

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3 years ago
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Serggg [28]

17. 4

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19. 20

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David is visiting his aunt for the Thanksgiving weekend. He drove 60% of the trip at 40 mph and the rest at ‘x’ mph. The average
Brut [27]

Answer:

D. 80 mph

Step-by-step explanation:

d- distance

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4 0
3 years ago
Read 2 more answers
Solve the equation. - 1/3m – 7 = 5 A. –4 B. –15 C. –36 D. 6
velikii [3]
<span><span>−1/</span>3</span>‌m−7=5Add 7 to both sides.<span><span><span><span><span>‌<span><span>−1/</span>3</span></span>‌m</span>−7</span>+7</span>=<span>5+<span>7</span></span></span><span><span><span>
‌<span><span>−1/</span>3</span></span>‌m</span>=12</span>Multiply both sides by 3/(-1).<span><span><span>(<span><span>‌<span>3/<span>−1</span></span></span>‌</span>)</span>*<span>(<span><span>‌<span><span>−1/</span>3</span></span>‌m</span>)</span></span>=<span><span>(<span><span>‌<span>3/<span>−1</span></span></span>‌</span>)</span>*<span>(12)</span></span></span><span>m=<span>−36</span></span>Answer:<span>m=<span>−36</span></span>

7 0
4 years ago
Jack and Cameron are playing a game of paper football. By their rules, you can score a 5-point touchdown or a 7-point touchdown.
Inga [223]
X=5 pointn
y=7point
x+y=13
5x+7y=71
solve

multiply first equaiton by -5 and add
-5x-5y=-65
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10 five point touchdowns
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8 0
3 years ago
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