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Arlecino [84]
3 years ago
7

What's the answer to this question 3x + 2y = -4 and how did you get it

Mathematics
1 answer:
Alex777 [14]3 years ago
6 0

First you subtract 3x because you are trying to get x alone so subtract 3x on both side so you would get 2y=-3x-4 and then divide the whole thing by 2 so you would get y=-3-4/2 and then you simplify and get y=-7/2 so y=-7/2 is your answer.

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Anna ate
viva [34]

Answer:

A.

5

8

−

3

8

=

2

0

B.

5

8

−

3

8

=

2

8

C.

5

8

+

3

8

=

8

8

D.

5

8

+

3

8

=

8

16

Step-by-step explanation:

4 0
3 years ago
PLSSS ANSWER, 35 pointss
xxTIMURxx [149]

Answer:

1.

(y - 5)(x + y)

2.

{(x - y)}(x - y   + a)

3.

(b - 3)(5b - 17)

Step-by-step explanation:

1. The given polynomial is

x(y - 5) - y(5 - y)

We need to factor the second part to get:

x(y - 5)  +  y(y - 5)

We factor y-5 to obtain:

(y - 5)(x + y)

2. We have

{(x - y)}^{2}  - a(y - x)

We again factor -1 from the second part to get:

{(x - y)}^{2} +  a(x- y)

We now factor x-y to get:

{(x - y)}^{2}   + a(x- y)

{(x - y)}(x - y   + a)

3. We have

2(3 - b) + 5 {(b - 3})^{2}

We factor negative 1 from the first part to get

- 2(b - 3) + 5 {(b - 3})^{2}

We now factor b-3 to get:

(b - 3)( - 2 + 5(b - 3))

We now simplify to get:

(b - 3)( - 2 + 5b - 15) = (b - 3)(5b - 17)

4 0
3 years ago
Lucy had 3 2/3 gal of paint. After painting a room she had 1 1/4 gal left how many gallons of paint did Lucy use to paint a room
garik1379 [7]

Answer:

2 \frac{5}{12}

gallons of paint was used by Lucy.

Step-by-step explanation:

3\frac{2}{3}  - 1\frac{1}{4}  =  \frac{44}{12}  -  \frac{15}{12} =  \frac{29}{12}

29/12 = 2 5/12

7 0
3 years ago
How do you calculate the volume for this shape
Bingel [31]

Answer:

The formula A=12bh is used to find the area of the top and bases triangular faces, A= area, b= base, and h= height. The formula A=lw is used to find the area of the three retangular side faces, A= area, l= lenght, and w= width

Step-by-step explanation:

3 0
3 years ago
A vehicle travels 57 kilometers north and then travels 26 kilometers south. What is the current position of the vehicle? (2 poin
solniwko [45]

Answer:

C. 31 kilometers north of its starting location

Step-by-step explanation:

<em>Please see attached a rough sketch of the situation for your reference</em>.

Step one:

Displacement North= 57km

Displacement South= 26km

Required

The  final displacement

The current position is attained by subtracting 26km from 57km

=57-26= 31km

Therefore the current position is

C. 31 kilometers north of its starting location

5 0
3 years ago
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