Question

help @31356

Answer 1

is -7 + 9 = -9 + 7 true, false, or open?

Answer 2

false

Answer 3

thanks

Answer 4

is 4x - 3= 19 true, false, or open?

Answer 5

open

Answer 6

which of the following is a solution to the equation 16= 4x -4?
-5
-4
5
16

Answer 7

5 Plug it in to make sure.

Answer 8

Indeed :D

Answer 9

I got 5

Answer 10

5*4= 20
20-4= 16 :D

Answer 11

an art student wants to make a model of a rectangular classroom. the length of the classroom is 2.4 times its width. the length of the student's model is 42 in. what should the width of the model be?
17.5 in
20.5 in
83.6 in
100.8 in

Answer 12

17.5 * 2.4 = 42
20.5 * 2.4 = 49.2
83.6 *2.4 = 200.64
100.8 * 2.4 = 241.92

So it's obvious it's the first one.

Answer 13

Width *times 2.4 equals the with which is 42 in

Answer 14

use mental math to determine the solution to x - = 10
x = 7
x = 13
x = 30
x = 0

Answer 15

Correct @timaashorty :D

Answer 16

Thanks, (:

The last one is confusing. are you sure you wrote it correctly?

Answer 17

My pleasure :D