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katen-ka-za [31]
3 years ago
14

Distribute -4(-x + y)

Mathematics
2 answers:
Luba_88 [7]3 years ago
4 0

- 4( - x + y) \\  =  (- 4)( - x) + ( - 4)( y) \\  = 4x  + ( - 4y) \\  = 4x - 4y
The answer is 4x - 4y
aleksandrvk [35]3 years ago
3 0
The answer would be 4x-4y.

(-4 * -x) + (-4 * y)
(4x) + (-4y) = 4x + -4y

Just be careful and remember that a negative times a negative is positive.
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Bread and sugar cost 110 together,bread cost 100 more than sugar,how much does sugar cost?
dangina [55]
First write an equation system based on the problem
We can write "<span>Bread and sugar cost 110 together" as
</span>∴ b + s = 110
We can write "<span>bread cost 100 more than sugar" as
</span>∴ b = 100 + s
<span>
Second, solve the equation system by subtitution method
Subtitute b with (100+s) in the first equation, and we'll find the value of s
b + s = 110
(100 + s) + s = 110
100 + 2s = 110
2s = 110 - 100
2s = 10
  s = 10/2
  s = 5
The cost of the sugar is 5</span>
4 0
3 years ago
Ava, Natalie, Esraa, and Savannah are all running a race. Each girl finishes at a different time. Ava finishes the race in 12.89
gayaneshka [121]

Natalie

Step-by-step explanation:

Esraa finishes in 12.2 secons making her first.

natalie finishes in 12.34 seconds making her second.

Ava finishes in 12.89 making her third.

and Savannah finishes in 12.988 seconds making her last.

3 0
3 years ago
Company A offers a starting salary of $28000 with a raise of $3000 each year, Company B offers a starting salary of $36000 with
telo118 [61]
We can conclude that both will intersect at a certain angle, depending on this algorithm I created.

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The f(x) intercept for g(x) is = 9 and -9

If you square this by light, the arithmetic of 9x+5x=21s(x)

Thus we can simply and get 11 years.
7 0
3 years ago
Read 2 more answers
how long would it take an ostrich to run to the sun if the speed is 80km/h
Ulleksa [173]

Answer:

eighteen million eight hundred twenty-six thousand two hundred fifty

Step-by-step explanation:

7 0
3 years ago
Distribute the expression.<br> 5(282-38+4)
kifflom [539]

Answer:

10s²-15s+20 is yr answer..

Step-by-step explanation:

  • 5(2s²-3s+4)
  • 10s²-15s+20

<h3>stay safe healthy and happy.</h3>
6 0
3 years ago
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