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larisa [96]
2 years ago
11

Please help will give brainliest answer ​

Mathematics
2 answers:
yaroslaw [1]2 years ago
8 0
The following answer to this is 1. B
2.D
iragen [17]2 years ago
5 0

Answer:

Question 3

C. y-9 =1/2(x-1)

Question 4

D. y+5 =3(x+2)

Step-by-step explanation:

Question 3:

Equation of line in point slope form is given as:

y-y_1 =m(x-x_1)

Plug m = 1/2, x_1 = 1, \:y_1 = 9 in the above equation, we find:

y-9 =1/2(x-1)

This is the required equation of the line.

Question 4:

Equation of line in point slope form is given as:

y-y_1 =m(x-x_1)

Plug m = 3, x_1 = - 2, \:y_1 = - 5 in the above equation, we find:

y-(-5) =3[x-(-2)]

y+5 =3(x+2)

This is the required equation of the line.

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N January, the price of a dozen eggs at a grocery store was $0.89. By June, the price had increased to $0.99. What was the perce
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3 0
3 years ago
Does, this make any sense to anyone? I honestly don't understand it. I'm learning functions by the way.
MAVERICK [17]
<h3>Answer:     t = 7</h3>

===========================================================

Explanation:

If we replace every copy of x with t, then we go from this

F(x) = 3x+5

to this

F(t) = 3t + 5

All we've done really is change the letter. We still are dealing with a variable. We're told that F(t) is equal to 26, which would allow us to replace the "F(t)" with "26" in the second equation above.

So we now have the equation 26 = 3t+5 which is the same as 3t+5 = 26

Let's solve for t

3t+5 = 26

3t = 26-5 .... subtract 5 from both sides

3t = 21

t = 21/3 .... divide both sides by 3

t = 7  is the answer

Now note that...

F(t) = 3t + 5

F(7) = 3*7 + 5 .... replace t with 7

F(7) = 21 + 5

F(7) = 26

This means we got F(t) = 26 when t = 7

It's the same as saying x = 7 leads to F(x) = 26.

This helps confirm we have the correct answer.

7 0
3 years ago
Read 2 more answers
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