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insens350 [35]
3 years ago
15

What is Y-3x=-2 and Y+x=-6

Mathematics
2 answers:
love history [14]3 years ago
5 0
Rearranging the first equation gives:

y=3x-2

Substituting this into the other equation gives:

y+x=-6
\\(3x-2)+x=-6
\\4x-2=-6
\\4x=-4 \\x=-1

If x=-1:

y+(-1)=-6
\\y=-5

So x=-1, y=-5
Andrej [43]3 years ago
3 0
Y - 3x = -2 ⇒ 2y - 6x = -4
y +  x = -6 ⇒ <u>2y + 2x = -12</u>
                            -<u>8x</u> = <u>8</u>
                             -8    -8
                               x = -1
                    y - 3(-1) = -2
                         y + 3 = -2
                         <u>    -3     -3</u>
                               y = -5
                         (x, y) = (-1, -5)
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What is 2.1 times 3.2 find the missing partial products HELP.​
vredina [299]

Given:

The area model for 2.1\times 3.2.

To find:

The value of 2.1\times 3.2 and the missing values in the area model.

Solution:

2.1 can be written as 2 and 0.1 on the left side of the area model.

3.2 can be written as 3 and 0.2 on the top of area model.

Area of the four parts of the area model are:

2\times 3=6

2\times 0.2=0.4

0.1\times 3=0.3

0.1\times 0.2=0.02

The complete area model is shown below.

After adding all areas of the area model, we get

6+0.4+0.3+0.02=6.72

Therefore, the value of 2.1\times 3.2 is 6.72 and the missing values of the area model are 0.3 and 0.02 respectively.

8 0
3 years ago
Which expression is equivalent to 1/3 divided by 1/6
leonid [27]

Answer:

The answer is A

Step-by-step explanation:

cross mutliply

1×6=6

1×3=3

divide the answers

result: 2

I hope this helps

5 0
3 years ago
I need doing this please ?
Alex17521 [72]

Answer:

i do not know

Step-by-step explanation:

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3 0
3 years ago
3(d-8) - 5 = 9(d+2) + 1
attashe74 [19]

Answer:

d = - 8

Step-by-step explanation:

3(d-8) - 5 = 9(d+2) + 1

3d-24 - 5 = 9d+18 + 1

3d - 29 = 9d + 19

9d - 3d = -29 - 19

6d = - 48

6d / 6 = -48/6

d = -8

7 0
3 years ago
Read 2 more answers
A positive number divided by a positive number is a positive quotient it's opposite is always what?
Arisa [49]

Answer:

When you multiply two negative numbers or two positive numbers then the product is always positive. 3 times 4 equals 12. ... When you divide a negative number by a positive number then the quotient is negative. When you divide a positive number by a negative number then the quotient is also negative.

Step-by-step explanation:

7 0
3 years ago
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