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julia-pushkina [17]
3 years ago
11

On a piece of paper, graph y=4x-2. then determine which answer matches the graph you drew?

Mathematics
1 answer:
Natalka [10]3 years ago
3 0

Because this equation is in slope-intercept form, we can tell exactly how it will look by checking out 3 key points.

Leading coefficient: negative, or positive.

In this case, the leading coefficient is positive, which means that the slope will be going from bottom left to upper right.

Leading coefficient = slope

In this case, the slope is 4, or 4/1, so it will be at a steep incline.

Value of constant = y-intercept.

In this case, the y-intercept is -2, which will help us narrow down our choice.

<h3><u>After reviewing the three answer choices, the most likely selection will be A, as it seems to have a slope of 4, it is positive, and it has a y-intercept of -2.</u></h3>
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Which expression has both 8 and n as factors?<br><br> 8 / n 8 + n 8n 8 - n
Sidana [21]

Answer:

8n

Step-by-step explanation:

3 0
2 years ago
When Alice spends the day with the babysitter, there is a 0.6 probability that she turns on the TV and watches a show. Her littl
lara [203]

Answer:

A. P("Both Alice and Betty watch TV") = 12/25

B. P("Betty watches TV") = 12/25

C. P("Only Alice watches TV") = 3/25

Step-by-step explanation:

A. Because what we are told, Betty need that Alice turn on the TV, so, we first need the probability that she watches TV:

P(Alice)=3/5 (0.6)

And we know that:

P(Betty)=4/5 (0.8)

If we want the probability of both things happening at the same time (If you use a tree diagram, those events will be in the same branch), we proceed multiply them:

P("Both Alice and Betty watch TV") = 3/5 * 4/5 = 12/25

And this is the answer

B. Considering that Betty needs Alice to turn on the TV, the probability of Betty watching TV is the same as if she is with Alice.

P("Betty watches TV") = P("Both Alice and Betty watch TV") = 12/25

C. We use the same process as part A, but with a little difference. We now multiply for the probability that Betty does not watch TV (Because they still be in the same branch).

P("Betty does not watch TV") = 1 - P("Betty")

P("Betty does not watch TV") = 1 - 4/5

P("Betty does not watch TV") = 1/5

And the answer for part C is:

P("Alice watches TV without Betty") = 3/5 * 1/5 = 3/25

5 0
3 years ago
The function rule h = 16 + 2.5n represents the height h, in inches, of a stack of traffic cones.
andrew11 [14]
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7 0
2 years ago
If you’re good at algebra could somebody help me please?
Mama L [17]

Answer:

a). f(0) = 7

b). f(\frac{1}{3}) = 6

c). f(-5) = 22

d). x = 9

Step-by-step explanation:

The given function is f(x) = -3x + 7

a). For x = 0

   f(0) = -3(0) + 7

         = 0 + 7

         = 7

b). For x = \frac{1}{3}

    f(\frac{1}{3}) = (-3)(\frac{1}{3})+7

          = -1 + 7

          = 6

c). For x = (-5)

   f(-5) = -3(-5) + 7

          = 15 + 7

          = 22

d). For f(x) = (-20)

    -20 = -3x + 7

     3x = 20 + 7

     3x = 27

       x = 9            

3 0
2 years ago
If the roots of a quadratic are ±3i, where will the graph intersect the x-axis?<br> (See Picture)
Xelga [282]

Answer:

c

Step-by-step explanation:

as the roots are imaginary so it does not intersect  x-axis.

C

3 0
2 years ago
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