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alexira [117]
2 years ago
5

Factorize 81xsquared+180x+100

Mathematics
1 answer:
bekas [8.4K]2 years ago
5 0

Answer:

  • 81x²+180x+100
  • 9x²+180x+10²
  • using (a+b)²=a²+b²+2ab
  • 9x²+2(9x)(10)+10²
  • (9x+2)²=(9x+2)(9x+2)
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5x + 20 = -5x What does "x" equal?
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<span>5x + 20 = -5x
5x + 5x = -20
10x = -20
x = -20/10
x = -2</span>
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3 years ago
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Write the equation of the line in fully simplified slope-intercept form.
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y= -3x-6

Step-by-step explanation:

I believe this is correct

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As water evaporates from a bucket, its weight changes at a rate of -11/4 ounces per day.
masha68 [24]

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The circle below represents one whole . …. What percent is represented by the shaded area ?
IgorC [24]

Answer:

50%

Step-by-step explanation:

shaded area = 2/4

shaded area as a percentage ;

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4 0
2 years ago
A school dance committee has 14 volunteers. Each dance requires 3 volunteers at the door, 5 volunteers on the floor, and 6 float
siniylev [52]

There are 91 such ways in whih the volunteers can be assigned if two of them cannot be assigned from 14 volunteers.

Given that a school dance committee has 14 volunteers and each dance requires 3 volunteers at the door, 5 volunteers on the floor and 6 on floaters.

We are required to find the number of ways in which the volunteers can be assigned.

Combinations means finding the ways in which the things can be choosed to make a new thing or to do something else.

nC_{r}=n!/r!(n-r)!

Number of ways in which the volunteers can be assigned is equal to the following:

Since 2 have not been assigned so left over volunteers are 14-2=12 volunteers.

Number of ways =14C_{12}

=14!/12!(14-12)!

=14!/12!*2!

=14*13/2*1

=91 ways

Hence there are 91 such ways in whih the volunteers can be assigned if two of them cannot be assigned.

Learn more about combinations at brainly.com/question/11732255

#SPJ1

5 0
2 years ago
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