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loris [4]
3 years ago
9

What is an equation for the linear function whose graph contains the points (9, 7) and (4, −8) ?

Mathematics
1 answer:
aalyn [17]3 years ago
5 0
Y=mx+b where m=slope which is change in y divided by change in x                 m=(-8-7)/(4-9)=-15/-5=3 so we have                                                                 y=3x+b now we can use either point, I'll use (9,7), to solve for b or the y-intercept...                                                                                                         7=3(9)+b                                                                                                           7=27+b                                                                                                         b=-20so our line is:                                                                                              y=3x-20


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Having trouble with this, pretty sure the answers i have in there are wrong, please help. especially need help with the last que
Xelga [282]

The year in which the two quantities will be equal is 2133.

<h3>What is a linear equation?</h3>

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

Here we have the following data.

y=0.221x-368.264 For men

y=0.168x-255.196 for women

So when we will equate these two equation we will get the year in which two quantities will be same.

0.221x-368.264=0.168x-255.196

0.221x-0.168x=368.264-255.196

0.053x = 1123.068

x= 2133 year

Hence the year in which the two quantities will be equal is 2133.

To know more about equations follow

brainly.com/question/2972832

#SPJ1

4 0
2 years ago
20x+6=y<br><br> 19x+7=y<br><br> answer please
morpeh [17]

Step-by-step explanation:

what we trying to find the value of x and y

20x+6=y

x intercept,y=0

20x+6=0-6

20x/20=-6/20

×=-0.3

y intercept,x=0

20(0)+6=y

0+6=y

6=y

(-0.3,0)

19x+7=y

y intercept,x =0

19(0)+7=y

0+7=y

7=y

x intercept,y=0

19x+7=0-7

19x=-7

19x/19=-7/19

x=-0.37

4 0
2 years ago
Please urgent! will give brainliest<br><br> Solve for x in simplest form.<br> 7=1/6(8x=24)
nlexa [21]

Answer:

Step-by-step explanation:

dived 24 by 8 and you get 3

8 0
2 years ago
The Sum of two numbers is 42. Express the product of the numbers, P, as a function of one of the numbers x. Please help, thank y
Monica [59]
The sum means + they want you to put p as one number and x as another number. Then "is" means =. P+x=42
5 0
3 years ago
Please help!!!! 15 points and brainliest!!!
Eva8 [605]
Whats the question? I cant see it?
3 0
3 years ago
Read 2 more answers
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