3 years ago

Please! Help! (due by tonight)

Mathematics

2 answers:

Oduvanchick [21]3 years ago

6 0

Answer: a + 3b

Step-by-step explanation:

Okay, so...

7(3a - 2b) = 7(3a) - 7(2b) ... distributive property

21a - 14b

5(3b - 4a) = 5(3b) - 5(4a) ... distributive property

15b - 20a

(21a - 14b) + (15b - 20a) = 21a -12b + 15b - 20a =

a + 3b

vampirchik [111]3 years ago

5 0

Answer:

21a-14b

15b-20a

Step-by-step explanation:

You might be interested in

A box contains 5 plain pencils and 3 pens. A second box contains 4 color pencils and 4 crayons. One item from each box is chosen

LekaFEV [45]

Answer:

3/16

Step-by-step explanation:

3/8 * 4/8= 3/16

3/8= 3 pens out of 8 items

4/8= 4 crayons out of 8 items

7 0

4 years ago

If the movie theater seats 328 people, what is the maximum amount of money the theater can bring in during a show?

zaharov [31]

Answer:

328 multiplied by the ticket price.

Step-by-step explanation:

3 0

4 years ago

Read 2 more answers

A line has a slope of -4. Which of the following could describe two points on the line?

Westkost [7]

A. -4/1=-4
And -4 is the slope

3 0

3 years ago

Look at screenshot and answer question

goblinko [34]

Answer:

32x +20

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Solve for the indicated variable, x=5y for y

pav-90 [236]

Answer:

y = x/5

Step-by-step explanation:

just divide both sided by 5 to get ride of 5y and turn it to x over 5

5 0

4 years ago