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olchik [2.2K]
3 years ago
7

Write the equation of a line that has a slope of -3 and goes through the point (5,7).

Mathematics
1 answer:
ss7ja [257]3 years ago
6 0

Answer:

The equation of the line would be D) y - 7 = -3(x -5)

Step-by-step explanation:

In order to find this, we must first start with the base form of point-slope form.

y - y1 = m(x - x1)

Now we put the slope in for m and the point in for (x1, y1)

y - 7 = -3(x - 5)

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For f(x) = 3x + 1 and g(x) = x^2 - 7, find f(g(4)).
kodGreya [7K]

First, let's find g(4). After we find it, we can substitute the value into f(x).


To find g(4), we need to substitute x = 4 into the function g(x), as shown below:

g(x) = x^2 - 7

g(4) = 4^2 - 7

g(4) = 9


Now that we have found g(4) = 9, we can substitute this value in for x in f(x).

f(x) = 3x + 1

f(9) = 3(9) + 1

f(9) = 28


f(g(4)) is equal to 28.

4 0
3 years ago
What is m <br> angle 1?<br> 35°<br> 40°<br> 55°<br> 70°
gizmo_the_mogwai [7]

9514 1404 393

Answer:

  (b)  40°

Step-by-step explanation:

Angle x and the one marked 70° are alternate interior angles, so are congruent. The sum of the two base angles of the isosceles triangle is ...

  x° +x° = 70° +70° = 140°

So, the remaining angle 1 in the triangle is ...

  180° -140° = 40°

  ∠1 = 40°

5 0
2 years ago
Please help me i need this ASAP PLZ
Virty [35]

What you need help on, like what do you need bro

3 0
3 years ago
I need help ! On the question i reslly do not get it !
AlexFokin [52]

This question is basically a ratio 1 : 42

so then it would be 2 : 84 then 3 : 126

So your answer is D 3 Gallons for 126 miles.

4 0
3 years ago
Read 2 more answers
2(c+1)=10 HELP PLSSSSSSSS
Nikolay [14]

Answer:

c=4  

Will venus1234 delete the c4?

Step-by-step explanation:

You simplify by distributive property

2c+2=10

Then you can use subtraction property of equality to subtract 2 from both sides to get  

2c=8

Then do division property of equality to get the unit rate of c.

You end up with

c=4

4

4

4

4

4

4

4

Hope this helps!

5 0
3 years ago
Read 2 more answers
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