Answer:if it’s a pretest just guess you don’t need to get it right
Step-by-step explanation:
Answer:
x≥9
Step-by-step explanation:
Pretend the Less than or equal to sign is just an equals sign
-7x+7=-56 Solve:
-7x=-56-7
-7x=-63
For the last step, if you divide a negative number, the Sign switches. So not the sign is greater than or equal to.
x>=9
Answer:
"The mean is the average of the numbers: a calculated "central" value of a set of numbers. To calculate it: add up all the numbers, then divide by how many numbers there are." -- Math is Fun
Answer:
8 cm
Step-by-step explanation:
divide 400 by 50 which is 8.
Answer:
48 + 8x = 9
Step-by-step explanation:
4 + 
x = 
multiply through by 12 ( the LCM of 3 and 4 ) to clear the fractions
48 + 8x = 9
