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expeople1 [14]
3 years ago
13

At an online bookstore Alicia downloads 3 books for $9 and 2 magazines for $4. Write an expression that represents the total amo

unt of money she spends. Please help!!!
Mathematics
1 answer:
aliya0001 [1]3 years ago
4 0
Let b = number of books
Let m = number of magazines

($9 * b) + ($4 * m) = total cost

($9 * 3) + ($4 * 2) = $35

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The vertex of the graph of y = -4(x + 3)2 + 2 is <br><br> (____,____)
Mars2501 [29]

Answer: The vertex is (-3, 2)

The equation y = -4(x + 3)^2 + 2 can be written as y = -4(x - (-3))^2 + 2

I rewrote x+3 as x - (-3)

Compare y = -4(x - (-3))^2 + 2 with the general template y = a(x-h)^2 + k

Note how

a = -4

h = -3

k = 2

So the vertex is (h,k) = (-3, 2)

5 0
3 years ago
Read 2 more answers
The city council has decided to add a 0.3% tax on motel and hotel rooms. If a traveler spends the night in a motel room that cos
horsena [70]

Answer:

0.0165

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8 0
4 years ago
Aiden mixes 630 mL of blue paint with 2 L of red paint to make purple paint how many milliliters of purple paint does Aidan have
mojhsa [17]
Aiden will have 2630ML.      

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4 0
4 years ago
Solving 12-(x+3)=10
Margarita [4]
12-(x+3)=10

Simplify the equation.

12-x-3=10

Combine like terms.

(12-3)-x=10

Simplify.

9-x=10

Subtract 9 from both sides to get x by itself.

-x=1

Divide both sides by -1 to get x by itself.

x=-1

~Hope I helped!~




4 0
4 years ago
Sara needs to buy a gallon of milk for $3.98, a dozen eggs for $2.75, and paper towels for $3.87. Sara said she needs $10 to pay
tia_tia [17]

Answer:

No

Step-by-step explanation:

$3.98 + $2.75 + $ 3.87 ≠ $10

$3.98 + $2.75 + $ 3.87 = $10.60

4 0
3 years ago
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