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iVinArrow [24]
3 years ago
7

If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen

t to y from the first equation is substituted into the second equation.
6x − y = 1


4x − 3y = −11 (6 points)


4(−6x + 1) − 3y = −11

4(6x + 1) − 3y = −11

4x − 3(6x − 1) = −11

4x − 3(−6x − 1) = −11
Mathematics
1 answer:
Airida [17]3 years ago
3 0
I think number 4 should be it
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Simplify the product (x-4)(x+3)
Kamila [148]

Answer:

Final answer is x^2-x-12.

Step-by-step explanation:

Given expression is \left(x-4\right)\left(x+3\right).

Now we need to find the product of the given expression \left(x-4\right)\left(x+3\right).

\left(x-4\right)\left(x+3\right)

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Step-by-step explanation:

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4 0
2 years ago
QS¯¯¯¯¯¯¯ bisects ∠PQR . If m∠PQS = 5x and m∠RQS = 2x + 6, then what is m∠PQR ? m∠PQR is
soldi70 [24.7K]

Answer:

PQR = 20

Step-by-step explanation:

Given

Bisector: QS

PQS = 5x

RQS = 2x + 6

Required

Determine PQR

Since PQR is bisected to PQS and RQS, we have that

PQS = RQS

Substitute expressions for PQS and RQS

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Collect Like Terms

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Divide both sides by 3

x = 2

Solving for PQR;

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Substitute 2 for x

PQR = 7 * 2 + 6

PQR = 14 + 6

PQR = 20

4 0
3 years ago
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