All categories

3 years ago

What is the value of y in the solution to the following system of equations? 2x y = −4 5x 3y = −6

1 answer:

3 0

2x + y = -4 . . . (1)
5x + 3y = -6 . . (2)

From (1), y = 4 - 2x . . . (3)
Putting (3) into (2), gives
5x + 3(4 - 2x) = -6
5x + 12 - 6x = -6
-x = -6 - 12 = -18
x = 18

From (3), y = 4 - 2(18) = 4 - 36 = -32

You might be interested in

Solve for x. −6≥10−8x

Nataly_w [17]

$-6\geq10-8x\\\\
8x\geq16\\\\
x\geq2$

3 0

3 years ago

If m∠agh = 4x and m∠ghd = 3x + 40, what is the value of x?

Mariulka [41]

I am attaching the full question...

Because AB is parallel to CD, the transversal line EF creates the same angles in AB and CD.

This means that 3x+40 = 4x

..........==>> x = 40 degrees

7 0

3 years ago

A basketball team played six games. In those games, the team won by 7 points, lost by 12, won by 8 , won by 11 , lost by 1

ioda

They won all together by 31 points and lost all together by 13 so 31-13=18

4 0

2 years ago

A weight clinic recorded the weight lost (in pounds) by each client of a weight control clinic during the last year, and got the

borishaifa [10]

Answer:

Class interval ____, Frequency _ C/frequency

1 - 10 ____________ 1 _________ 1

11 - 20 ___________ 4 _________ 5

20 - 30 __________ 6 _________ 11

31 - 40 ___________3 _________ 14

41 - 50 ___________ 1 _________ 15

51 - 60 ___________ 1 _________ 16

Step-by-step explanation:

Given the data :

35, 26, 31, 17, 46, 30, 28, 21, 26, 34, 15, 27, 7, 18, 16, 57

Class interval ____, Frequency _ C/frequency

1 - 10 ____________ 1 _________ 1

11 - 20 ___________ 4 _________ 5

20 - 30 __________ 6 _________ 11

31 - 40 ___________3 _________ 14

41 - 50 ___________ 1 _________ 15

51 - 60 ___________ 1 _________ 16

The next to highest frequency group has a frequency of 4 and the highest frequency of 6

Total frequency, n = (1 + 4 + 6 + 3 + 1 + 1) = 16

5 0

3 years ago

Find the value of . A. 8 B. 32 C. 192 D. 1,536

Tamiku [17]

Answer:

Step-by-step explanation:

plz brainliestt

6 0

3 years ago

Read 2 more answers