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lbvjy [14]
3 years ago
15

How do you write this equation in its simplest form(3d+5)+(d-2)

Mathematics
1 answer:
sergejj [24]3 years ago
6 0
You need to use FOIL
(3d+5)+(d-2)=3d^2-6d+5d-10=3d^2-1d-10
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Ashley earns money at a constant rate. Ashley earns $15 in 2.5 hours. We want to know how much money, m, Ashely will earn after
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Answer:

Step-by-step explanation:

$15/2.5hr=$6 so if earnings are y and hours worked is x then

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Name the binomial you can multiply by (x + 9) to get the product x2 + 5x - 36.
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30 seconds, half a minute.
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Solve the system of equation
Phoenix [80]

Answer:

plain = $10.50

pepperoni = $12.50

Step-by-step explanation:

x = pepperoni

y = plain

3x + 2y = 58.5

2x + 4y = 67

using substitution method, I multiplied the first system by -2 to get:

   -6x - 4y = -117

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3 years ago
The functions r and s are defined as follows.
irina1246 [14]

Answer:

r(s(-2)) = -2

Step-by-step explanation:

We are given these following functions:

r(x) = -2x + 2

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First we find the composition of r and s functions. It is:

r(s(x)) = r(x^2-2) = -2(x^2-2) + 2 = -2x^2 + 6

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r(s(-2)) = -2

8 0
3 years ago
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