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Step2247 [10]
2 years ago
9

Write the equation of the line that passes through the points (2, 1) and (-8,-8).

Mathematics
1 answer:
nordsb [41]2 years ago
8 0

Answer:

y = 0.9x - 0.8

Step-by-step explanation:

First you use the formula m = (y2-y1) / (x2-x1)

Sub in the 2 points you are given and you get m = (-8-1) / (-8-2)

m = -9/-10 = 9/10

Now u use the point slope formula, (y - y1) = m(x - x1)

Sub in the points and you get (y - 1) = 9/10 (x-2)

Expand it out to get y - 1 = 9/10x - 18/10

multiple everything by 10 = 10y - 10 = 9x -18

make y the subject, 10y = 9x - 8

y = 0.9x - 0.8

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sukhopar [10]

Answer:

It should be the last one because rigid transformations doesn't change in size just where it is

7 0
2 years ago
I have no idea how to do this someone helped me with this and got the right answer which is 11/17 but I got a totally different
Travka [436]

Answer:


Step-by-step explanation: The reason is is because when adding and subtracting integers, you flip the operation sign that will be used to solve the problem.So when you flip the sign of this equation, you subtract. So that's how your answer was 11/17. Also it is positive because the biggest number is positive so that is what the solution will be.

Please mark brainliest!!!!!!


4 0
3 years ago
Given the following definition, compute Q(5). Q(n) = 0 if n = 0 2 if n = 1 4 if n = 2 Q(n − 1) + Q(n − 2) + Q(n − 3) if n > 2
aalyn [17]
We have 
Q(0)=0\\
Q(1)=2\\
Q(2)=4
and Q(n)=Q(n-1)+Q(n-2)+Q(n-3)\mbox{ when } n\ \textgreater \ 2.
So 
Q(3)=Q(2)+Q(1)+Q(0)=4+2+0=6\\
Q(4)=Q(3)+Q(2)+Q(1)=6+4+2=12\\
Q(5)=Q(4)+Q(3)+Q(2)=12+6+4=22.

3 0
2 years ago
abby has saved 67% of the money she needs to buy a new camera that cost $156.00 how much more money does she need to buy a new c
worty [1.4K]

Answer:

$51.48

Step-by-step explanation:

Percent left: 100%-67%=33%

33% can also be expressed as the fraction 33/100

Then, 33% of 156 is 156*33/100=51.48

5 0
3 years ago
Complete the steps to find the perimeter . 7 cm and 5 cm
scoundrel [369]

You have to add .7+.7+5+5=11.4

5 0
3 years ago
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