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Semmy [17]
3 years ago
6

Simplify (5x2 + 3x + 4) + (5x2 + 5x − 1).

Mathematics
1 answer:
Vlad1618 [11]3 years ago
3 0

Answer:

<em>=10x^2+8x+3</em>

Step-by-step explanation:

Lets simplify step by step.

=5x^2+3x+4+5x^2+5x+-1

Combine like Terms.

=5x^2+3x+4=5x^2+5x=-1

=(5x^2+5x^2)+(3x+5x)+(4+-1)

=10x^2+8x+3

<u><em>=10x^2+8x=3</em></u>

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A representative sample of a population of middle school students contains 45 boys and 25 girls. From this sample, 27 and 15 gir
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An above ground swimming pool is leaking after 1 and 1/2 hours the pool has leaked 7/8 of a gallon of water how many gallons of
Aleksandr [31]

Answer:

In 1 hour the amount of water leaking from pool = \frac{7}{12} gallon of water

Step-by-step explanation:

Given as :

The amount of Leaking of water from the pool = \frac{7}{8} gallon

The time taken fro leaking \frac{7}{8} gallon of water = 1 \frac{1}{2} gallon  hour

Or The time taken fro leaking \frac{7}{8} gallon of water = \frac{3}{2} hour

∵ \frac{3}{2} hour takes for leaking \frac{7}{8} gallon of water

∴ In 1 hour the amount of water leaking from pool = \frac{7}{8}\setminus \frac{3}{2}

Or, In 1 hour the amount of water leaking from pool = \frac{7}{12} gallon of water    Answer

8 0
3 years ago
I WILL GIVE YOU A CROWN
katrin2010 [14]

Answer:

486 in³

Step-by-step explanation:

Area of base = l*b = 81sq. inches

h = 6 inches

Volume of the box = lbh = 81 * 6 = 486 cubic inches

6 0
3 years ago
Need help to answer
Korolek [52]
Remember, you can do anything to an equation as long as you do it to both sides

times 4 both sides because we hate fractions
3x+8=16x-4
minus 3x both sides
8=13x-4
add 4 both sides
12=13x
divide both sides by 13
12/13=x
x=12/13
4 0
3 years ago
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