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3 years ago

Solve the following system of equations using the

Mathematics

2 answers:

Alja [10]3 years ago

6 0

Answer:

The solutions are 3 and -5

Step-by-step explanation:

x+3=x^2+3x-12

x^2+2x-15

=(x-3)(x+5)

Alborosie3 years ago

3 0

y = x² + 3x - 12

y = x + 3

Substitute the second value of y into the first equation, and you'll have

x + 3 = x² + 3x - 12

Now solve

0 = x² + 2x - 15

0 = (x + 5)(x - 3)

x = - 5, x = 3

With -5, you'll get y = - 2

With 3, you'll get y = 6

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frozen [14]

Answer:

A = 3

B = 4

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E = 2

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Step-by-step explanation:

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3 years ago

Diana has 1 square yard of fabric she will make one pillow that requires 3/8 square yard of fabric and another pillow that requi

Scilla [17]

Answer:

<h2>Diana uses 5/8 square yard of fabric for both pillows.</h2><h2>There remains 3/8 square yard of fabric.</h2>

Step-by-step explanation:

Givens

The total amount of fabric is 1 square yard.
One pillow requires 3/8 square yard of fabric.
A second pillow requires 2/8 square yard of fabric.

To find the total amount of fabric Diana used, we must sum those fractions

$\frac{3}{8} +\frac{2}{8}=\frac{5}{8}$

Diana uses 5/8 square yard of fabric for both pillows.

Now, we subtract to find the remaining amount of fabric

$1-\frac{5}{8}=\frac{8-5}{8}=\frac{3}{8}$

Therefore, there remains 3/8 square yard of fabric.

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3 years ago

What is the answer to the average Rate of change between point a and b

andrey2020 [161]

Answer:

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Step-by-step explanation:

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Alex17521 [72]

Answer:

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Step-by-step explanation:

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3 years ago

What package of toothpaste has the lower unit price?

Maurinko [17]

Answer:

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Step-by-step explanation:

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