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Ratling [72]
3 years ago
15

Find a common denominator 8/15+(-2/5)

Mathematics
2 answers:
Juliette [100K]3 years ago
7 0
A common denominator is 30
levacccp [35]3 years ago
4 0
A common denominator is 30
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Select the true statement about the series, ¾ + 7/8 + 11/12 + 15/16…
Luden [163]
\dfrac34+\dfrac78+\dfrac{11}{12}+\dfrac{15}{16}+\cdots=\displaystyle\sum_{n=1}^\infty\frac{4n-1}}{4n}

The nth term in the series is

\dfrac{4n-1}{4n}=1-\dfrac1{4n}

which means for large n, the series behaves asymptotically similar to the series

\displaystyle\sum_{n=1}^\infty1

which diverges, so the answer is (B).
8 0
3 years ago
The length of a rectangular garden is three feet less than twice it’s width. If the perimeter of the garden is 42 feet, what is
zzz [600]
<h3><u>The length is equal to 13.</u></h3><h3><u>The width is equal to 8.</u></h3>

l = 2w - 3

2l + 2w = 42

Because we have a value for l, we can plug it into the second equation to solve for w.

2(2w - 3) + 2w = 42

Distributive property.

4w - 6 + 2w = 42

Combine like terms.

6w - 6 = 42

Add 6 to both sides.

6w = 48

Divide both sides by 6.

w = 8

Now that we have a value for w, we can solve for the exact value of l.

l = 2(8) - 3

l = 16 - 3

l = 13



6 0
3 years ago
Jose invests $3,250 at 6% interest compounded annually. What will be the balance in the account after 3.5 years?
scoundrel [369]
So he invests 3,250 dollars for year!
Interest: 3,250 x 0.06 = $195
Per Year: 3,250 + 195 = 3,445 dollars anually
3 Years: 3,445 x 3 = $10,335
8 0
4 years ago
The graph shows the number of pages read on average by 4 middle school students. Who read the least number of pages on average?
qaws [65]
Answer: Alisa

Alisa read a total of 65 pages, which is less than all the other students.
5 0
3 years ago
Read 2 more answers
dave and his sister picked out two pumpkins at the pumpkin patch. the pumpkins cost $0.47 per pound. davids pumpkin weighed 13.2
Andrei [34K]
They payed $31.20 for both you multiply $0.47 times 13.24 and the equal 26.22 and then you do $0.47 times 10.6 and that equals 4.98 and then you do 4.98+26.22= 31.20 or 31.2 is the same thing
3 0
4 years ago
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