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steposvetlana [31]
3 years ago
15

Use the elimination method to solve the system of equations.

Mathematics
1 answer:
tester [92]3 years ago
5 0

Answer:

(4.5,-6)

Step-by-step explanation:

2x-3y = 27\\4x+3y = 0

6x = 27

x = 27/6=4.5

9-3y = 27

-3y = 18

y = -6

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What do you think it would mean for two expressions to be equivalent? Explain.
ra1l [238]

Answer:

the answers would be the same

8 0
3 years ago
A grocery store sells a bag of 6 oranges for $3.84. What is the cost of oranges, in
Vilka [71]

Answer:

Each orange would cost $0.64.

Step-by-step explanation:

If you do 3.84 and divide that by 6, you would get the answer of $0.64 for each orange.

3 0
3 years ago
What is the absolute value of Point C labelled on the number line? A number line with point A at coordinate -2.75, point B at co
lina2011 [118]

Answer:

2.25

Step-by-step explanation:

The value of point C is already positive, so nothing changes.

_____

The absolute value function changes negative numbers to positive ones (by multiplying by -1, or reflecting across the origin of the number line).

3 0
3 years ago
Write two ratios equivalent to 24 : 9.
notsponge [240]

Answer:

8:3

16:6

Step-by-step explanation:

First, let's check if 9 and 24 have any common factor. If they do have any common ones, we must find the GCF (greatest common factor).

Factors of 9: 1, 3, 9

Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24

The common factors both of the numbers share and 1 and 3. To find the GCF, simply compare one of the factors to the other.

1 < 3

Now that we know the GCF, we can divide the two numbers in the ratio 24 : 9 by it (3).

24:9

24/3:9/3

<u>8:3</u>

Now that our ratio is simplified, it's going to be much easier to find more ratios that are equivalent. <u>8:3</u> is already one equivalent ratio, but if we multiply each number in the ratio by any other number, we can get a new equivalent ratio. Let's multiply each number in the ratio by 2:

<u>8:3</u>

8 ⋅ 2:3 ⋅ 2

<u>16:6</u>

<u></u>

So, another equivalent ratio to 24:9 (and <u>8:3</u>) is <u>16:6</u>.

3 0
3 years ago
Plz answer it all in order
igomit [66]

Answer:

1.0.667

2.3.5,0.12,0.680

3.0.2,0.40,0.112

4.2.5,0.57,1.222

5.1.2,0.75,0.071

6.7.5,0.03,

3 0
3 years ago
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