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3 years ago

5

PLEASE HELPP!!

1 answer:

likoan [24]3 years ago

6 0

Answer:

A: s=75w

B: s= 75(16)

s=1200

Step-by-step explanation:

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What is the solution of the system. Use the substution method. 3x+2y=11, x-2=-4y

liq [111]

Answer:

$x=\frac{10}{3}$ and $y=\frac{1}{2}$

Step-by-step explanation:

To use the substitution method, we should take one of the equations, and obtain an expression for one of the variables from this equation. Let's take the first one: 3x-2y = 11. We obtain an expression for x (it could be for y as well): 3x = 11 + 2 y ⇒ $x=\frac{11}{3}+\frac{2}{3} \times{y}$ .
Now, we should replace the expression obtain for x in the first equation, on the second equation, as follow

$x-2=4y$ ⇒ $(\frac{11}{3}+\frac{2}{3}\times{y})-2=4\times{y}$
Then rearranging terms $\frac{11}{3}-2=4\times{y}-\frac{2}{3}\times{y}$
This expression results in $y=\frac{1}{2}$
Finally, using the firs equation, in which we obtained an expression from x, $x=\frac{11}{3}-\frac{2}{3} \times{y}$ , we replace y=1/2 and get $x=\frac{11}{3}- \frac{2}{3}\times{\frac{1}{2} }$ , then $x=\frac{10}{3}$

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The pie recipe calls for twice as many peaches as nectarines. If it takes a total of 168 pieces of fruit for all the pies, how m

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Solve for x.<br><br> Captionless Image<br> x= 6<br> x = 0<br> x= 5<br> x= 10

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Step-by-step explanation:

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3 years ago

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2 years ago

Read 2 more answers