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yarga [219]
2 years ago
15

Perform the indicated operations: 2/x-2+x/x+9-x+20/x2+7x-18

Mathematics
1 answer:
Gnoma [55]2 years ago
6 0

Answer: The answer is B

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This equation shows how the revenue at Jill's Auto Wash depends on the number of
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Answer:y = 9x

Step-by-step explanation:

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2 years ago
Need some help please <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B11%7D%7B15%7D%20%20%2B%20%28%20-%20%20%5Cfrac%7B3%7D%7B
emmasim [6.3K]

Answer:

-1/60

Step-by-step explanation:

\frac{11}{15}  + (- \frac{3}{4} )\\

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= \frac{44}{60}  -  \frac{45}{60}\\  (find LCM of demoninators)

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7 0
3 years ago
A school had 400 girls last year and the number of boys was 95 more than that of the girls. This year the number of girls had in
STatiana [176]

Answer: The fraction by what the number of boys had been reduced=1/11


Step-by-step explanation:

Step 1: To calculate the number of boys last year.

According to the question,

The number of boys last year= 400+95

The number of boys last year=495

Step 2: To calculate the number of girls this year.

According to the question,

The number of girls this year= 400 + 400*1/5

The number of girls this year= 480

Step 3: To calculate the number of boys this year.

According to the question,

The number of boys this year= 480 – 30

The number of boys this year=450

Step 4: To calculate the fraction by what the number of boys had been reduced.

The number of boys reduced= the number of boys last year - the number of boys this year

The number of boys reduced= 495 - 450 = 45

The fraction by what the number of boys had been reduced  

= The number of boys reduced/the number of boys last year

Therefore,

The fraction by what the number of boys had been reduced= 45/495= 1/11


6 0
3 years ago
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Answer:

List all of the solutions.

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3 years ago
A teacher writes 0.105 on the board. Lisa calls this number "one hundred five thousandths."
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