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strojnjashka [21]
3 years ago
13

Simplfy 5x-x-3y+5x plz?

Mathematics
2 answers:
Zanzabum3 years ago
6 0

Answer:

9x-3y

Step-by-step explanation:

5x-x 4x

+5x=9x

and then add 3y

igor_vitrenko [27]3 years ago
3 0

Answer:

9x-3y

Step-by-step explanation:

5x-x-3y+5x

4x-3y+5x

9x-3y

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A catapult launches a boulder with an upward velocity of 120 ft/s. The height of the boulder, h,
Vlad1618 [11]

Answer:

Reaches a maximum height of 235.00 feet in 3.75 seconds.

Step-by-step explanation:

The height of the boulder, h,  in feet after t seconds is given by the function is given by :

h=-16t^2+120t+10 .....(1)

For maximum height, put \dfrac{dh}{dt}=0

i.e.

\dfrac{d(-16t^2+120t+10)}{dt}=0\\\\-32t+120=0\\\\32t=120\\\\t=3.75\ s

Put t = 3.75 in equation (1). So,

h=-16(3.75)^2+120(3.75)+10\\\\h=235\ \text{feet}

So, the boulder's maximum height is 235 feets and it takes 3.75 s to reach to its maximum height.

3 0
2 years ago
8a2 = 12 + a plzzzzzzzzzzzzzzzzzzzzzzzzzz help me slove this problem
polet [3.4K]

Answer:

1.28

Step-by-step explanation:

Assuming in 8a2 the '2' represents an exponent, you answer should be

1.28

3 0
2 years ago
The sale price of a bicycle is $130 this is 60% of the original price. find the original price​
WITCHER [35]
$208

Steps:
10% of 130 is 13
13 x 6 would give you 60%
13 x 6 is 78
60% = 78
130 + 78 = 208
5 0
2 years ago
Read 2 more answers
Please Help thank you
CaHeK987 [17]

Answer:

Missing Number: 70,000,000

3 0
2 years ago
Read 2 more answers
What is the simplified form of x+6 over x+4 + x-3 over 3
Zigmanuir [339]
1 Cancel <span>33</span>
<span>x+\frac{6}{x}+4+x-1<span>x+<span><span>​x</span>​<span>​6</span><span>​​</span></span>+4+x−1</span></span>
2 Collect like terms
<span>(x+x)+\frac{6}{x}+(4-1)<span>(x+x)+<span><span>​x</span>​<span>​6</span><span>​​</span></span>+(4−1)</span></span>
3 Simplify
<span><span>2x+\frac{6}{x}+3<span>2x+<span><span>​x</span>​<span>​6</span><span>​​</span></span>+3</span></span><span>
</span></span>
7 0
3 years ago
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