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PSYCHO15rus [73]
3 years ago
11

This is what I need to know please help

Mathematics
1 answer:
topjm [15]3 years ago
8 0
D is the answerrrrrrrrrrrrrrrrrrrrrr
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Solve using substituion -5x + y = -2 -3x + 6y = -12
sergiy2304 [10]

Answer:

<h2>x = 0</h2><h2>y = - 2</h2>

Step-by-step explanation:

-5x + y = -2………… Equation 1

-3x + 6y = -12 ………… Equation 2

Using substitution

Make y the subject in equation 1 and substitute it into equation 2 and solve for x

That's

y = 5x - 2

We have

- 3x + 6( 5x - 2) = - 12

- 3x + 30x - 12 = - 12

27x = - 12 + 12

27x = 0

Divide both sides by 27

x = 0

Substitute x = 0 into y = 5x - 2

We have

y = 5(0) - 2

y = - 2

So the solutions are

<h3>x = 0 </h3><h3>y = - 2</h3>

Hope this helps you

4 0
3 years ago
Please provide explanation + answer :((((( im crying
Vladimir79 [104]

Answer:

1. Given

2. Subtraction property of Equality

3. Division property of Equality

I hope I helped you^_^

6 0
3 years ago
The wingspan of a model airplane is 35 inches. The model has a scale factor of 1 inch = 3 feet. What is the wingspan of the actu
Pie

Figure it out Ask your teacher...

5 0
3 years ago
The two figures are similar. write the similarity. justify your answer.
scoray [572]

Answer:

The corresponding sides are in proportion. so they are similar triangles.

8 0
4 years ago
The distance from B to B' is 6 and the distance from A to B' is 2. What is the scale factor?choice:1/41/343
Mkey [24]

In this case, we'll have to carry out several steps to find the solution.

Step 01:

Data:

BB' = 6

B'A = 2

Step 02:

scale factor:

\frac{BB^{\prime}}{B\text{'A}}{}=\frac{6}{2}=3

The answer is:

scale factor = 3

3 0
1 year ago
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