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lora16 [44]
3 years ago
5

Can someone do these questions 1-3 please i have an F in math now :/

Mathematics
1 answer:
maxonik [38]3 years ago
6 0
1. 350
2. 428.4
3. i don’t remember how to do the last one.
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2x + y = 15 x + y = 10​
Artyom0805 [142]

Answer:

2x+y=15x+y=10

Consider the first equation. Subtract 15x from both sides.

2x+y−15x=y

Combine 2x and −15x to get −13x.

−13x+y=y

Subtract y from both sides.

−13x+y−y=0

Combine y and −y to get 0.

−13x=0

Divide both sides by −13. Zero divided by any non-zero number gives zero.

x=0

Consider the second equation. Insert the known values of variables into the equation.

15×0+y=10

Multiply 15 and 0 to get 0.

0+y=10

Anything plus zero gives itself.

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2 years ago
Is 18% larger than 0.7
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No. 18% in decimal form is 0.18. 0.7 (or 0.70) is more than 0.18. In other words, 
18% < 0.7
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Which of the following shows the two patterns?
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jill sold half of her comic books and then bought 16 more. She now has 36. With how many did she begin?
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