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Elza [17]
3 years ago
9

Simplify: 7 + 10x - 7 + 7x

Mathematics
1 answer:
goldenfox [79]3 years ago
3 0

Answer:

17x

Step-by-step explanation:

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If x + y = x y = 5 then x ^2 y + X Y ^ 2 equals​
VikaD [51]

Answer:

25

Step-by-step explanation:

Note x^2y + xy^2 = xy(x+y)

We know xy = 5 and x+y = 5, so

5*5=25

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3 years ago
Stephanie can type around 70 words per minute. She has less than a week to type her final research paper. If the paper has to be
Montano1993 [528]

the answer is 75 minutes/1h 15m

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3 0
3 years ago
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Solve the problem.
Lorico [155]

Answer:

<h2>560</h2>

Step-by-step explanation:

You must use a combination:

_nC_k=\dfrac{n!}{k!(n-k)!}

We have <em>n = 16</em>, <em>k = 3</em>.

Substitute:

_{16}C_3=\dfrac{16!}{3!(16-3)!}=\dfrac{13!\cdot14\cdot15\cdot16}{2\cdot3\cdot13!}\qquad\text{cancel}\ 13!\\\\=\dfrac{14\cdot15\cdot16}{2\cdot3}=\dfrac{7\cdot5\cdot16}{1}=560

5 0
3 years ago
In a science experiment,the temperature decreased by 0.1 degree Celsius every 15 minutes. Find the unit rate
maksim [4K]
0.1  decrease in 15 minutes 
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Temperature is decreasing by 0.00667 degrees Celsius per minute
8 0
3 years ago
Use a 10-square model to solve. 12 is 10% of what number?
mestny [16]
I think the answer is 240 tho im not completely sure

hope this helps
3 0
3 years ago
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