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AleksandrR [38]
3 years ago
5

Find the solutions to the equation below.Check all that apply.

Mathematics
1 answer:
Blababa [14]3 years ago
8 0

we are given

x^2-4=0

To find solution , we can factor it and then we can solve for x

step-1: Factoring

x^2-4=0

(x-2)(x+2)=0

step-2: Solve for x

(x-2)=0

x=2

(x+2)=0

x=-2

so, option-C and option-F...........Answer

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frez [133]
1 full revolution=360
4seconds=360degrees
how many seconds is 90 degrees
4:360=x:90
4/360=x/90
simpllfiy
1/90=x/90
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answer is 1 second
6 0
2 years ago
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Rowan reads at a constant rate of 1.5 pages per minute and has already
saul85 [17]

Using linear functions, it is found that Rowan and Kennedy will have read the same number of pages in 10 minutes.

What is a linear function?

  • A linear function is modeled by:

y = ax + b

In which:

  • a is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0.

For Rowan, we have that:

  • He has already read 20 pages, hence the y-intercept is b = 20.
  • He reads 1.5 pages per minute, hence the slope is a = 1.5

Then:

y_R = 1.5x + 20

For Kennedy, we have that:

  • He has already read 25 pages, hence the y-intercept is b = 25.
  • He reads 1 page per minute, hence the slope is a = 1

Then:

y_K = x + 25

They will have read the same number of pages after x minutes, for which:

y_R = y_K

Then:

1.5x + 20 = x + 25

0.5x = 5

x = \frac{5}{0.5}

x = 10

To learn more about linear function, you can take a look at brainly.com/question/25823744

3 0
2 years ago
I NEED HELP 16 POINTS ON THE RIGHT ANSWER! Graph The following piecewise function:
Juli2301 [7.4K]
For the first one its (-4,0) and (3,0)

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Answer:

(- ∞ , 88)

Step-by-step explanation:

1)  m - 88 < - 176

add 88 to both sides

2)  m < -88

3) interval notation: ( - ∞, 88)

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The sum of two numbers is 136.One number is 51.What is the the other number? What are the common factors of these two numbers
SVEN [57.7K]
136-51=85. so the common factors would be 1 and 17
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2 years ago
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