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snow_lady [41]
3 years ago
6

Please help with this question

Mathematics
1 answer:
BartSMP [9]3 years ago
6 0
X/(x^2+3x+2) - 1/((x+2)(x+1))
x/(x^2+3x+2) - 1/(x^2+3x+2)
(x - 1)/(x^2+3x+2)

Answer: Choice D

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Mrs. Lay's Instagram followers went from<br> 40 to 72. What was the percent increase?
anastassius [24]

<u>Answer:  </u>

The percentage increase when Mrs.Lay’s instagram followers went from 40 to 72 is 80%

<u>Solution:</u>

The percentage increase can be found out by dividing change in value by initial value. This is given as,

\bold{\text { percentage increase } = \frac{( \text {final count-initial count} }{\text {initial count}} \times 100}

From question, we get

Initial count of Mrs.Lay = 40

Final value of Mrs.Lay = 72

So percentage increase when Mrs Lay’s Instagram followers went from 40 to 72 is

\text { percentage increase }=\frac{72-40}{40} \times 100= \frac{32}{40} \times 100

=\frac{4}{5} \times 100

= 80  

Hence percentage increase when Mrs Lay’s Instagram followers went from 40 to 72 is 80%.

4 0
3 years ago
The cost of a gallon of gas recently doubled. By what percent did it increase? A) 50% B) 100% C) 150% D) 200%
drek231 [11]
Hey there!

If a cost of a gallon recently doubled, then it increased by 50%. This is because half of 100% is 50% and it takes one more 50% to double.

Hope this helps you.
Have a great day!
5 0
3 years ago
Please help me with 23 and 24.
MrRissso [65]
Don't need an answer anymore post was totes yesterday.

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3 years ago
You earn $10.00hr. you invest $4,000.00 at an interest rate of 5% apr for a year. how much interest did that savings earn in a y
Vedmedyk [2.9K]
You are investing $2,000 fro 3 months and the APR is 4% so you will get one quarter of the APR for a year. For the year 4% interest is $2,00 x .04 or $80 for the year. # months is 1/4 of a year so divide $80 by 4 to get the interest fro 3 months which is 20 so the answer is B.
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3 years ago
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