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labwork [276]
3 years ago
10

Solve the system of equations. ​

Mathematics
1 answer:
vampirchik [111]3 years ago
8 0

Answer:

(0, 6 )

Step-by-step explanation:

Given the 2 equations

- 6y + 11x = - 36 → (1)

- 4y + 7x = - 24 → (2)

Multiplying (1) by 4 and (2) by - 6 and adding the result will eliminate y

- 24y + 44x = - 144 → (3)

24y - 42x = 144 → (4)

Add (3) and (4) term by term

2x = 0 ⇒ x = 0

Substitute x = 0 in either of the 2 equations and solve for y

Substituting in (1)

- 6y + 11(0) = - 36, that is

- 6y = - 36 ( divide both sides by - 6 )

y = 6

Solution is (0, 6 )

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mylen [45]

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Step-by-step explanation:

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2 years ago
If a b and m∠2 = 71°, what is m∠1?
Nikolay [14]

Answer:

  71°

Step-by-step explanation:

In order to be able to solve this problem, we must assume the relation between lines "a" and "b" is that they are parallel.

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3 years ago
Mark and Robyn used base- ten blocks to show that 200 is 100 times as much as 2. Whose model makes sense? Whose model is nonsens
Dima020 [189]

Answer:

Robyn model makes more sense and Marks is nonsense.

Step-by-step explanation:

In this question ,calculations not required .All we have to do is consider each model logically .

Marks

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Robyn

Robyn model shows 2 which means 200 is 100 times as much as 2 and this is not only correct but also makes sense because 100 *2=200

8 0
3 years ago
Shape 1 and shape 2 are plotted on a coordinate plane. Which statement about the shapes is true?
Nataliya [291]

Answer:

C)

Step-by-step explanation:

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7 0
1 year ago
Find the values of x and y<br> X=<br> Y=
Cerrena [4.2K]

Answer:

x = 7

y = 4

Step-by-step explanation:

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So y + 12 = 5y - x

To solve the equation above, y =4

Sub y = 4,

x = 7

7 0
3 years ago
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