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VikaD [51]
3 years ago
11

A system of two equations is shown below. What will you need to multiply the

Mathematics
1 answer:
Inessa [10]3 years ago
6 0
In order to solve this equation you must eliminate one of the variables.

By multiplying by -3 you eliminate the y variable, making A the correct answer.
-6x-3y=-66
5x+3y=29
-x=-37
x=37

If you would like further explanation let me know. :)
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X = 3y +9 <br>2x – 3y = 9<br>help plz​
Dominik [7]

Answer:

Their are caculators online search the type of math it is then put caculator for example exponents caculator

Step-by-step explanation:

6 0
3 years ago
What is the best first step for solving the equation 5 = 3x - 4? a. Add 4 to both sides of the equation. b. Subtract 4 from both
Brut [27]

Answer:

A. Add 4 to both sides of the equation.

Step-by-step explanation:

Isolate your variable by using inverse operations.

4 0
3 years ago
One bag had 2/8 kg of cat food the other bag had 1/3 kg. What was the total weight of the container after the bags were combined
Alexus [3.1K]

Answer:

CAT EYEBALS WHOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO MARIO ATE MY BURRITO

Step-by-step explanation:

5 0
2 years ago
Suppose that a school has 20 classes: 16 with 25 students in each, three with 100 students in each, and one with 300 students, f
astraxan [27]

Answer

a)   y    |      p(y)

    25   |      0.8

   100   |     0.15

   300   |      0.05

E(y) = ∑ y . p(y)

E(y) = 25 × 0.8 + 100 × 0.15 + 300 × 0.05

E(y) = 50

average class size equal to E(y) = 50

b)  y    |      p(y)

    25   |     \dfrac{16\times 25}{1000}=0.4

   100   |     \dfrac{3\times 100}{1000}=0.3

   300   |      \dfrac{1\times 300}{1000}=0.3

E(y) = ∑ y . p(y)

E(y) = 25 × 0.4 + 100 × 0.3 + 300 × 0.3

E(y) = 130

average class size equal to E(y) = 130

c) Average Student in the class in a school = 50

  Average student at the school has student = 130

5 0
3 years ago
10. -(x - 10) =7<br> Please help
Tems11 [23]

Answer:

10+the actual quantity of x=7 would be one of the 4 awnser choices you have made

7 0
3 years ago
Read 2 more answers
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