3 years ago

Explain the steps 3(2y + 5) = -21

Mathematics

1 answer:

Vera_Pavlovna [14]3 years ago

7 0

Answer:

-6

Step-by-step explanation:

3(2y+5)=-21

2y+5=-21/3

2y+5=-7

2y=-7-5

2y=-12

y=-12/2

y=-6

You might be interested in

Paolo paid $28 for a hat that was originally priced at $35. By what percent was the hat discounted?

svetoff [14.1K]

28*100=2800
2800÷35=80
80%

8 0

3 years ago

A newspaper started an online version of its paper 14 years ago. In a recent presentation to stockholders, the lead marketing ex

son4ous [18]

Answer:

Answers are below

Step-by-step explanation:

The lead executive's statement says that because the company uses online ads, the revenues have more than doubled. This can be seen on the graph because the Online ad revenue increases while the Printed ad revenue decreases.

The approximate year that the two ad revenues were equal is halfway through the 7th year or at year 7.5

7 0

3 years ago

Find the area of the shape shown below.

Shtirlitz [24]

Answer:

6 + 2 = 8 x 2 = 16 divided by 2 = 8

Step-by-step explanation:

Formula of a trapezoid:

B1(base 1) + B2(base 2) x H (Height) x 1/2 (basically dividing by 2)

5 0

2 years ago

Solve these two equations

tangare [24]

Answer:

a.(2/7,31/7) b.(97,71)

Step-by-step explanation:

im not writing all the work i did its just substitution of the value of x and y from the second equation to the first

8 0

3 years ago

What is the slope of this line?

Thepotemich [5.8K]

Answer:

y= -3x -3

Step-by-step explanation:

7 0

2 years ago