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Salsk061 [2.6K]
2 years ago
9

Is (3,13) a solution of y = 2x - y

Mathematics
1 answer:
PtichkaEL [24]2 years ago
5 0

Answer:

NO

Step-by-step explanation:

(x, y) so if you plug in your points... 13 = 2(3) - 13

To solve:

Multiply:    13 = 2(3) - 13

Subtract:   13 = 6 - 13

Answer:     13 does not equal -7

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timofeeve [1]

Answer:

\Large  \boxed{x_1=\frac{9+\sqrt{51} }{3}  \ \  ;  \ \ x_2=\frac{9-\sqrt{51} }{3} }

Step-by-step explanation:

\displaystyle \Large \boldsymbol{} 3x(x+6)=-10  \\\\3x^2+18x=-10 \\\\3x^2+18x+10=0 \\\\D=324-120=204 \\\\ x_{1;2}=\frac{18\pm2\sqrt{51} }{6} =\frac{9\pm\sqrt{51} }{3}

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2 years ago
T/8 + 23 - 4 = 36. Solve for the variable. Write the answer only, do not type in T= form.
oksian1 [2.3K]
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<u>Answer:</u>

<h2>x ≈ 4.5</h2>

<u>Steps:</u>

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tan(37°) = x/6

x/6 = 0.75..

x = 0.75.. × 6

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4 0
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(HELP ASAAPPP!!!!) A restaurant staff made 54 sandwiches in 18 minutes. At that rate, how many sandwiches would the restaurant s
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Korvikt [17]

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12^5

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