Describe the steps and order you use when solving an equation that involves the distributive property and combining like terms.

1 answer:

6 0

The rule to use is PEMDAS. (Parenthesis, Exponents, Multiplication, Division, Addition, and Subtraction) When there's a number in front of one parenthesis, you distribute that number to the terms on the inside based on PEMDAS. What should also be notified is the exponent rules for multiplication and division. Then combine like terms. They have to have the same base of multiplying or dividing. Combining like terms need to have the same exponent, or whole numbers in groups.

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30 is decreased to 6 what is the percent

spin [16.1K]

X=percentage in decimal
30x=6
30/30x=6/30
x=1/5=.20

.20=20/100=20%

20%

4 0

3 years ago

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Solve –5√ x = –15. A. x = –7 B. x = –9 C. x = 7 D. x = 9

Pie

-5√x = -15
-5 -5
√x = 3
x = 9

The answer is D.

3 0

3 years ago

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The profits in hundreds of dollars, P(c), that a company can make from a product is modeled by a function of the price, c, they

Jobisdone [24]

The maximum profit is the y-coordinate of the vertex of the parabola represented by the equation.

$P(c)=-20c^2+320c+5120 \\ \\
a=-20 \\
b=320 \\ \\
\hbox{the vertex } (h,k): \\
h=\frac{-b}{2a}=\frac{-320}{2 \times (-20)}=\frac{-320}{-40}=8 \\
k=f(h)=f(8)=-20 \times 8^2+320 \times 8+5120= \\
=-1280+2560+5120=6400$

The maximum value is 6400, but the profit is given in hundreds of dollars, so multiply the value by 100.

The maximum profit the company can make is $640,000.

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3 years ago

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Use the figure to determine the value of X and y

bogdanovich [222]

Answer:

100,80

Step-by-step explanation:

The opposite angle theorem states that, : "When two lines cross four angles are created and the opposite angles are equal."

y°=80°

Now, check that , x° and y° are in one straight line. A straight line has angle of 180°. So x° and y° should sum up to 180°

x° + y° = 180°

x° + 80° = 180°

x° = 100°

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3 years ago

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HELP y = (3x)2 + 17 when x = 2 function and solution

Bond [772]

Answer:
y= 29
step by step explanation:
y= 6 x 2 + 17
y= 12+17
y= 29

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3 years ago