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Katyanochek1 [597]
3 years ago
13

Using the given points, determine Δy.

Mathematics
1 answer:
pshichka [43]3 years ago
5 0
The answer is y=5. Cjjchchhdh
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Directions: For the following systems, determine whether or not the ordered triple (1, -1, -2) is a solution to the equations be
uranmaximum [27]

Put the coordinate and check each

#1

\\ \rm\Rrightarrow 3x-3y-z=2

\\ \rm\Rrightarrow 3(1)-3(-1)-(-2)=2

\\ \rm\Rrightarrow 3+3+2=2

\\ \rm\Rrightarrow 6+2=2

\\ \rm\Rrightarrow 8\neq 2

No

#2

\\ \rm\Rrightarrow 2(1)-3(-1)-2=-3

\\ \rm\Rrightarrow 2+3-2=-3

\\ \rm\Rrightarrow 3\neq-3

Unless you did typing mistake on right hand side it's

  • No

#3

\\ \rm\Rrightarrow 1-1-2=-2

\\ \rm\Rrightarrow -2=-2

Yes

#4

\\ \rm\Rrightarrow 1+2(-1)-(-2)=0

\\ \rm\Rrightarrow 1-2+2=0

\\ \rm\Rrightarrow 1\neq0

No

#5

\\ \rm\Rrightarrow 5(1)+1-5(-2)=16

\\ \rm\Rrightarrow5+1+10=16

\\ \rm\Rrightarrow 16=16

Yes

#6

\\ \rm\Rrightarrow 4(1)+5(-1)-6(-2)=-13

\\ \rm\Rrightarrow 4-5+12=-13

\\ \rm\Rrightarrow -1+12=-13

\\ \rm\Rrightarrow 11\neq -13

No

8 0
2 years ago
MIDPOINT AND LINE LENGTH<br><br> WILL GIVE 70 MORE IF CORRECT
aleksandrvk [35]

Answer:

so midpoint formula is (x1+x2/2, y1+y2/2)

Step-by-step explanation:

so for 1: (11-11/2, 4+12/2)= (0,8)

then if you have the midpoint and one endpoint, find the distance between them to find the other endpoint.

so, for the third example, start with the x. how fair is -8 from -1? The answer is 7. So, we must ask, what number is 7 more than -1? Answer is 6. Then repeat for the y. 6 is 5 units away from 1, so then we do 1-5=-4. So it should be (6,-4) as point B

3 0
3 years ago
Read 2 more answers
this graph shows the amount of rain that falls in a given amount of time. what is the slope of the line and what does it mean in
Galina-37 [17]

Answer:

-5/-2 or 2.5

Step-by-step explanation:

Because you gave two points that I'm guessing are from the graph I think that's the answer. Because when you use the slope formula y2-y1 over x2 - x1 you get -5/-2 or you either get 2.5 meaning that is the slope specifically saying the rate of change. You get 2.5 when you divide -5/-2 incase you need a decimal or want to simplfy it.

4 0
1 year ago
Read 2 more answers
Razia baked 26 cookies with 2 scoops of flour.
Oduvanchick [21]

Answer:

Look at the picture above

Hope this helps you

Do mark me as brainliest :)

4 0
3 years ago
Find the inequality represented by the graph
bezimeni [28]
The answer is y ≥ 1/2x
4 0
3 years ago
Read 2 more answers
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