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Advocard [28]
3 years ago
5

-18x+9y=72 how do I solve that

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
6 0
This depend on what you are solving for. But lets do this:
Divide the WHOLE equation by 9. By doing this, you simplify the equation and get y by itself. Now you have -2x+y=8. Isolate y. Do this by adding 2x to each side of the equals sign. you now have y=2x + 8.
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Ill give u brainliest plz help :3 if u can ofc take ur time
kupik [55]

Answer: 1. no

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              3. no

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              5. no

I'm not 100% sure abt these answers but since nobody is answering so far here's my opinion :D I really don't want you to lose 100 points so pls b careful!!

3 0
3 years ago
Each letter of the English alphabet is written on a scrap of paper and put in a hat p(j)= 1/26 what type of probability is illus
Marysya12 [62]
In the situation '<span>Each letter of the English alphabet is written on a scrap of paper and put in a hat p(j)= 1/26', the type of probability illustrated is classical or mathematical probability. This is because 1 represents the number of expected outcomes of the event while 26 represents the total number of outcomes.</span>
8 0
3 years ago
Read 2 more answers
How many degrees there in 3/5 right angle<br><br>A. 180<br>B. 90<br>C. 150<br>D. 54​
Natalija [7]

Answer:

D. 54​

Step-by-step explanation:

Right angle = 90°

3/5 of 90°

3/5 × 90°

270 ÷ 5 = 54°

8 0
2 years ago
Number 1. The science club went on a two-day field trip. The first aid the members paid $60 for transportation plus $15 per tick
tekilochka [14]
If x is the number of students on the field trip:
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5 0
3 years ago
Which function BEST expresses the linear relationship displayed by the scatter plot?
Harrizon [31]

Answer:

C

Step-by-step explanation:

We want a line of best fit, which means we want to create a line that the data points will lie closest to.

One thing we can do is find the slope between the bottom-leftmost point and the top-rightmost point. This is because if we were to draw a line connecting these two, it will cut through the data quite well.

Those two points are (9, 15) and (16, 18), so the slope is change in y divided by the change in x:

(18 - 15) ÷ (16 - 9) = 3 ÷ 7 ≈ 0.4

Eliminate A and B.

Now we need to determine the y-intercept. This needs no calculations; simply look at the graph: there's no way a line cutting through the y-intercept point of (0, 18) will perfectly match the data points; instead it must be a y-intercept lower than 18. So, eliminate D.

The answer is C.

6 0
3 years ago
Read 2 more answers
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