3 years ago

What’s the answer for 8x+20=11x-31

Mathematics

1 answer:

Kruka [31]3 years ago

4 0

Answer:

x=17

Step-by-step explanation:

8*17=136+20=156

11*17=187-31=156

156=156

You might be interested in

The drama club is selling tickets to the play to raise money for the shows expenses. Each student ticket sales for five dollars

djyliett [7]

Answer:

45 student tickets and 30 adult tickets

Step-by-step explanation:

You can check your work by plugging both answers into both of the original equations. :)

8 0

3 years ago

It costs Doug $30 to set up a cupcake stand. He charges $2 for every cupcake he sells. If Doug makes $48 of profit in one day, h

Lunna [17]

Answer:

It is 39 cupcakes.

Since he charges $2 per cupcake (39), it is 78.

He makes profit so subtract 30 from 78 and you get $48.

6 0

3 years ago

I need the answer please.

Anestetic [448]

2 1/4 = 9/4

(9/4)(8/5) = (9/1)(2/5) = 18/5 = 3 3/5 cups

5 0

3 years ago

Rogelio sold a 1/3-page ad to client A, a 2/3-page ad to client B, and a 1/8-page ad to client C. Rogelio says he sold about 1 1

Licemer1 [7]

Answer:

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

the first term of an arithmetic sequence is 10 and the sum of the first five terms is 250,find the sequence

Crazy boy [7]

Answer:

The sequence is:

10, 30, 50, 70, 90.....................

Step-by-step explanation:

We have,

First term (a) = 10

Common difference (d) = ?

Sum of first 5 terms ( $S_{5}$ ) = 250

or, $\frac{n}{2} [{2a+(n-1)d}] = 250$

or, $\frac{5}{2} [2*10 + 4d]=250$

or, $\frac{5}{2} * 4[5+d]=250$

or, 10(5 + d) =250

or, 5 + d = 25

∴ d = 20

Now,

2nd term = a + d = 10 + 20 = 30

3rd term = a + 2d = 10 + 2*20 = 10 + 40 = 50

4th term = a + 3d = 10 + 3*20 = 10 + 60 = 70

5th term = a + 4d = 10 + 4*20 = 10 + 80 = 90

8 0

3 years ago