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Brilliant_brown [7]
3 years ago
5

Find the difference.

Mathematics
2 answers:
sukhopar [10]3 years ago
6 0

Answer:

-2x-4

Step-by-step explanation:

(-7x-7y-4)-(-5x-7y)=-7x-7y-4+5x+7y=-7x-4+5x=-2x-4

adoni [48]3 years ago
6 0

Answer:

-2x - 4

Step-by-step explanation:

  • (- 7x - 7y - 4) - (-5x - 7y)              Remove both sets of brackets
  • -7x - 7y - 4 + 5x + 7y                   Notice the sign change in 6x and 7y Two minus signs multiplied together make a plus. Gather like terms.
  • -7x + 5x - 7y + 7y - 4                   Simplify
  • -2x - 4                                          Note the ys cancel out.

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Determine the decimal equivalent of 11/8​
Elena-2011 [213]

Answer: 1.375

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Which equation represents the relationship between the
Lubov Fominskaja [6]
The slope is the change in y over change in x

Given the points (1,8), (2,11), (3,14), (2,17) we can use the table to figure out what our equation will be

Notice on the table as you go on the y term from 8 to 11 to 14 to 17 you are having a constant rate of change of 3. So that’s your change in y

On the left side which is your x, you are going up by 1 every time because it’s {1,2,3,4} So your change in x is 1

Your slope or m in y=mx+b can be found by using the following formula

Change in y/change in x

So here our change in y is 3 and our change in x is 1. So that means our slope is

m=3/1 = 3

y=3x+b

To find b, you can plug in one of the points. Let’s use (1,8). So x=1 and y=8. Now we can plug these in and solve for b.

8=3(1)+b

8=3+b

Subtracting 3 on both sides we have

b=5

Therefore given y=3x+(b) we can plug b in to obtain the following equation

y=3x+5. So that’s your answer

I hope this helps!!! Mark for brainliest!!!



7 0
3 years ago
State sales tax went from 5% to 5.5%. Calculate the absolute increase and the relative increase in sales tax.
valina [46]
Both are correct because .5 is ten percent of 5. And the increase is only a half of a percentage point.
3 0
3 years ago
Maria tiene hielo en su refrigerador a 7c en cierto momento saco la cubeta del congelador y olvido guardarla nuevamente luego de
Zina [86]

La pregunta requiere que calculemos la diferencia entre la temperatura final e inicial del agua.

Responder:

4 ° C

Explicación paso a paso:

Dado que:

Temperatura inicial del agua = 7 ° C

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La diferencia de temperatura del agua;

Temperatura inicial - temperatura final

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6 0
3 years ago
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Answer:

..........uh ok but u do know that u need to answer questions and get points to talk to users....right..?

8 0
2 years ago
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