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romanna [79]
3 years ago
13

.....................................

Mathematics
1 answer:
babunello [35]3 years ago
8 0

\dfrac{q}{q^2+5q+6}+\dfrac{1}{q^2+3q+2}=\dfrac{q}{q^2+3q+2q+6}+\dfrac{1}{q^2+q+2q+2}\\\\=\dfrac{q}{q(q+3)+2(q+3)}+\dfrac{1}{q(q+1)+2(q+1)}\\\\=\dfrac{q}{(q+3)(q+2)}+\dfrac{1}{(q+1)(q+2)}\\\\=\dfrac{q(q+1)}{(q+1)(q+2)(q+3)}+\dfrac{1(q+3)}{(q+1)(q+2)(q+3)}\\\\=\dfrac{q^2+q+q+3}{(q+1)(q+2)(q+3)}=\dfrac{q^2+2q+3}{(q+1)(q+2)(q+3)}\to B.

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Mrs. Smythe is twice as old as her daughter Samantha. Ten years ago the sum of their ages was 46 years. How old is Mrs. Smythe?
Fynjy0 [20]
Mrs. Smythe = x
Daughter = y

x = 2y
(x - 10) + (y - 10) = 46
x - 10 + y - 10 = 46
x + y - 20 = 46
x + y = 66
Put 2y in for x
2y + y = 66
3y = 66
y = 66/3
y = 22

The daughter is 22
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7 0
3 years ago
Carol is single and has an adjusted gross income of $32,785. She claims one exemption of $8200. What is her tax due?
LenKa [72]

Answer

A = 3321

Step-by-step explanation:

The reason for this answer is to get the Taxable income, you go by this equation AGI - (Exemptions + Deductions) since there is no deductions here we leave that part out. Subtract the AGI (32785) - 8200 the Exemption and you get 24585 then if we look on the chart, she is single and she falls under the answer of 3321!

Hope this helps, sorry I am a little late. I just got this answer too. :)

8 0
4 years ago
Why do cats bang their head against humans?!!..
klasskru [66]

Im sorry but why are you putting this on here?

6 0
3 years ago
Read 2 more answers
Please help!<br> Im really thankful!
Ulleksa [173]

Answer:

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4 0
4 years ago
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 160-cm and a standard devia
Elden [556K]
Use a z-test where z=(xbar-mean)/sigma/sqrt(n)
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7 0
3 years ago
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