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Margaret [11]
3 years ago
13

How do I solve for 19-2(x-7)?

Mathematics
1 answer:
777dan777 [17]3 years ago
3 0
19 - 2(x - 7)

First, expand to remove the parentheses. / Your problem should look like: 19 - 2x 14
Second, simplify. / Your problem should look like: -2x + 33

Answer: -2x + 33

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Stefanie bought a package of pencils for $1.75 and some erasers that cost $0.25 each. She paid a total of $4.25 for these items,
melamori03 [73]

Answer:

Stefanie bought 10 erasers

Step-by-step explanation:

We can establish the following equation:

TP = NP*PP + NE*EP

Where:

TP = Total price; (4.25)

NP = Number of pencil packages; (1)

PP = Pencil Package's Price; (1.75)

NE = Number of erasers; (What we are looking for)

EP = Erasers Price; (0.25);

Then:

4.25 = 1*1.75 + NE*0.25;

4.25 - 1.75 = NE*0.25;

2.5/0.25 = NE;

10 = NE.

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3 years ago
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Answer:

$1.49

Step-by-step explanation:

after the sales tax the bill would be $11.48

so 13% of that would be $1.49

so she tipped 1 dollar and 49 cent

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3 years ago
Math question screen shot down below
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Answer:

The correct answer is A, Point P

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since the additive inverse of 2 is -2 because -2 + 2 = 0 the correct choice must be choice A, Point P.

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