MATHEMATICS
HIGH SCHOOL

Answer: Ok, first step is to distribute the h to get rid of parenthesis:

-2n - 4hrx + 6hs -3rx +3s

Then you would combine like terms, but there are none! So that's your answer.

-2n - 4hrx + 6hs -3rx +3s

Then you would combine like terms, but there are none! So that's your answer.

Answer:

- 2n - h(4rx - 6s) - 3rx + 3s =

= - 2n - h×4rx - h×(- 6s) - 3rx + 3s

= - 2n - 4hrx + 6hs - 3rx + 3s

= 2(3hs - 2hrx - 2) - 3(rx - s)

MIDDLE SCHOOL

Shilpa earned 100 points in the first round of a game. She earned 20 points in each of the following rounds of the game. She ended the game with 400 points. write and solve an equation to find the number of rounds Shilpa played.

Answer:

15 rounds Shilpa played.

Step-by-step explanation:

They tell us she earned 100 points in the first round, that's going to be a fixed value in the equation. Then, we know the won 20 points in every next round (20x). So, we will have the following: 100 + 20x = 400

Clear x:

20x = 400 - 100

20x = 300

x = 300/20

x = 15

Answer:

15 rounds Shilpa played.

Step-by-step explanation:

20x = 400 - 100

20x = 300

x = 300/20

x = 15

MIDDLE SCHOOL

What describes the algebraic expression 15x+8

Fifteen times the quantity of a number plus 8 hope it helps

MIDDLE SCHOOL

Roberto wants to display his 18 cards in an album. Some pages hold 2 cards and others hold 3 cards. How many different ways can roberto display his figure? What is the problem sentence to this question.

Answer: The number of different ways can Roberto display his figure =4

Step-by-step explanation:

As per given , we have

Total cards = 18

Let 'a' be the number of pages with 2 cards and 'b' be the number of pages with 3 cards.

such that

(i)

Now , we need to find the possible solutions for (a,b) , where a, b are positive integers and satisfy equation (i).

When a=0 ,

When b=0 ,

When a=3 ,

When a=6 ,

i.e. Possible solutions for (a,b) = (0,6), (9,0) , (3,4) , (6,2) .

⇒Number of possible solutions for (a,b) =4

Thus , the number of different ways can Roberto display his figure =4

6 pages of 3; 4 pages of 3 and 3 pages of 2; 2 pages of 3 and 6 pages of 2; 9 pages of 2. There are 4 ways to display his cards. The problem sentence is 18=2x+3y

MIDDLE SCHOOL

What is the answer to:

x+1>-5(7-2x)

Simplified answer: x