8th Grade Algebra Help?

Question

Use the numbers 1, 2, 4, and 5 in any order to write expressions to equal each integer from 1 to 20.

Examples 4(5 - 2) + 1 = 13

I have done all 1-20, but I can't figure out an equation for 4, 9, or 15

please respond soon, this is due tomorrow

Answer 1

Just copy the answers out of the back of your textbook.

Answer 2

I think it would be better to ask your teacher for help rather than people on here.

Answer 3

DO IT YOURSELF

Answer 4

9 and 15 arent. 4 does

Answer 5

Getting the other seventeen is quite good.  These are the last three.

4 = (4 * 2) + 1 - 5

9 = (4 - 1) * (5 - 2)

15 = (5 * 2) + 4 + 1

Answer 6

dont get internet people to help u with your homework

Answer 7

1+2+5-4 = 4

5*2+1+4 = 15

(5+4)*(2-1) = 9

Answer 8

Do your own work you little twirp!

Answer 9

4)  (4*2) -5 +1 = 4

9)  ((5*4) / 2) -1 = 9

15)  (5*20 + 4 +1 =15

Answer 10

use the distributive property if you know what that is. or just ask a firned to help you tmrw. good luck!

Answer 11

4x5/2-1=9

4+5-1/2=4

2x5+1+4=15

Answer 12

2 x 4 - (5-1) = 4

((5 x 4) / 2) -1 = 9

(1 + 4) + (5 x 2) = 15

Answer 13

4 x 2 +1-5 = 4

5 x 4 / 2 - 1= 9

Answer 14

5-4+2+1=4

5X2+4+1=15  

(4X5) divided by 2 then subtract 1=9

Please put me as the best  answer because I need the points

Answer 15

Okay...

(1-2+4) x 5 = 15.. 1-2 is -1, plus 4 is 3, times 5 is 15.

1+2-4+5 = 4.. 1+2 is 3, minus 4 is -1, plus 5 is 4.

The absolute value of 1-2  x 4 +5 = 9. The absolute value of 1-2 is 1, times 4 is four, and plus 5 is nine.

There you go - I hope this helped!!!