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RUDIKE [14]
3 years ago
13

Factor with step by step explanation. n2+40-28

Mathematics
1 answer:
hjlf3 years ago
5 0
N2+40-28=
Combine like terms
n2+40-28=n2+12
Factor out 2
n•2+12=2(n+6)
Therefore the answer is 2(n+6)
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(2t^2+13t+15)\(t+6) long division
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2 years ago
Find value of n. 5/16=n/80
Viefleur [7K]
5/16 = n/80
bring 80 over to the other side to leave n alone. 80 then gets a multiplication sign in front of it.
5/16 x 80=n
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3 0
3 years ago
For every 140 feet that Kelly rides on her bicycle, the wheels turn 20 times. About how many times do the wheels turn in 5 miles
Mars2501 [29]

Answer: The wheels turn about 3771 times in 5 miles.

Step-by-step explanation:

Given, Kelly rides on her bicycle such that the number of times wheels turn for every 140 feet = 20

Turns for every feet = \dfrac{20}{140}=\dfrac{1}{7} ...(i)

To find : Number of times wheels turn in 5 miles.

Since , 1 mile = 5,280 feet

Then, 5 miles = 5 x (5,280 feet) = 26,400 feet

Now , Number of times the wheels turn in 26,400 feet = 26400 x (Turns for every feet)

26400\times\dfrac{1}{7}=3771.42857143\approx3771   [From (i)

Hence, the wheels turn about 3771 times in 5 miles.

5 0
3 years ago
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3 years ago
30 = -5(6x+6) solve for x
Romashka-Z-Leto [24]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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