3 years ago

Solve the system of equations. x + 3y= -8 4x + 4y = 0

Mathematics

1 answer:

Evgesh-ka [11]3 years ago

6 0

Answer:

x = -3

y = 4

Step-by-step explanation:

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Make b the subject of the formula<br><br>A=1/2bh

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Answer:

$\blue{b = \dfrac{2A}{h}}$

Step-by-step explanation:

$A = \dfrac{1}{2}bh$

Step 1. Switch sides.

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Step 2. Since the fraction 1/2 multiplies b, multiply both sides by the reciprocal of 1/2 which is 2.

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Step 3. Since h is multiplying b, and you want b alone, divide both sides by h.

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3 years ago

What is the solution to the rational equation x over 2x plus 1 minus 1 over 4 equals 2 over 2x plus 1

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We want to solve
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3 years ago

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So Maurice would have 2N nickels

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3N of nickels = 15N pennies

-----------

Their worth is 84 cents

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15N = 75

N = 75/15 = 5

N = 5

This means Nina has 5 nickels.

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4 years ago

Solve the system of equations. x + 3y= -8 4x + 4y = 0​

Solve the system of equations. x + 3y= -8 4x + 4y = 0