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GaryK [48]
4 years ago
10

I need help with these two questions, can anyone help me?

Mathematics
1 answer:
tatiyna4 years ago
4 0
The first answer could possibly be C
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Add the equations. What value belongs in the green box? 3x + 2y = 9 -x - 2y = 4 [?] + [?] = [?] A. 4x B. 2x C. -3x D. -2x​
Naddika [18.5K]

Consider the first blank is the green box.

Given:

The equations are

3x+2y=9

-x-2y=4

To find:

The value belongs in the green box

Solution:

We have,

3x+2y=9        ...(i)

-x-2y=4        ...(ii)

Adding (i) and (ii), we get

3x+2y-x-2y=9+4

(3x-x)+(2y-2y)=13

2x+0=13

So, the value for the first black is 2x. It means the value belongs in the green box is 2x.

The values of three blanks are 2x, 0 and 13 respectively.

Therefore, the correct option is B.

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3 years ago
What is the least common denominator of 1/2, 2/3 and 3/4
Vinil7 [7]

Answer:

6/12, 8/12, and 9/12.

Step-by-step explanation:

Let's find the least common denominator:

First, the least common multiple of 2, 3, and 4 is 12.

12 is divisible by 2, 3, and 4.

<u>Next, multiply the denominators with the numerators:</u>

Products: 6/12, 8/12, and 9/12

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2 years ago
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11Alexandr11 [23.1K]

Answer:

90 degrees and 180 degrees

Step-by-step explanation:

90 degrees and 180 degrees

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3 years ago
Solve 3! that's literally it
Y_Kistochka [10]

Answer:

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Step-by-step explanation:

6 0
3 years ago
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4(g-1)=24 what is g please help
denis23 [38]

Answer:

G=7

Step-by-step explanation:

4(g-1)=24

4g-4=24

4g=28

g=7

3 0
4 years ago
Read 2 more answers
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