3 years ago

Which is the correct answer?

Mathematics

1 answer:

gayaneshka [121]3 years ago

5 0

Answer:

The correct answer is y = 12x + 9

Step-by-step explanation:

There is a formula called y = mx + b where m is the slope and b is the y-intercept

The y-intercept is 9 so y = mx + 9

The slope is 12/1 or just 12 so y = 12x + 9

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3 years ago

What is (3x+5)(x^2+6x+11)

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Answer:

$\large\boxed{3x^3+23x^2+63x+55}$

Step-by-step explanation:

$\text{Use FOIL:}\\\\(a+b)(c+d)=ac+ad+bc+bd$

$(3x+5)(x^2+6x+11)\\\\=(3x)(x^2)+(3x)(6x)+(3x)(11)+(5)(x^2)+(5)(6x)+(5)(11)\\\\=3x^3+18x^2+33x+5x^2+30x+55\qquad\text{combine like terms}\\\\=3x^3+(18x^2+5x^3)+(33x+30x)+55\\\\=3x^3+23x^2+63x+55$

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4 years ago

Draw a circle around the ratio that is NOT EQUIVALENT to 6 to 10

Karo-lina-s [1.5K]

Answer:

5:3

Step-by-step explanation:

is equivalent to 5

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7 0

3 years ago

Choose the equivalent system of linear equations that will produce the same solution as the one given below.

dmitriy555 [2]

<span>C: 3x + 2y = 6
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4 years ago

Adam is buying a jacket that regularly costs $120 if he receives a 20% discount and there is a 6.25% tax what is the final price

Makovka662 [10]

Answer:

Step-by-step explanation:

Jacket multiplied by 20 percent

$120.00 x .20 = 24

Jacket minus the answer

$120 - 24 =96

New cost of jacket is $96

Now multiply that by 6.25% tax

$96 x 6.25 = 6.00

Add the sales tax to cost of jacket

$96.00 + 6.00 = $102.00

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3 years ago