Steps to solve:
1 + 4x = -5 + 7x
~Subtract 1 to both sides
4x = -6 + 7x
~Subtract 7x to both sides
-3x = -6
~Divide -3 to both sides
x = 2
Best of Luck!
The student would have to score 100% on their next test to brung their average up to 90. Here is why;
90+84+86=260
(260+?)/4=90
(260+100)/4=90
360/4=90
This is done to get the mean (or average) of a group of numbers by adding all the numbers and dividing by the amount of numbers you added together. Here it is divided by 4 because of the three tests he has taken and the test he will take.
Answer:
-4
Step-by-step explanation:
i just did it on edge and got it right
The ratio of two-story homes to one-story homes would be 24:32.
(There are multiple ways to express ratios--with a colon :, as a fraction /, and others. But let's just go with the colon.)
24:32 can be simplified to 3:4, or 3/4.
Therefore the answer is either 3:4 or 3/4.
Answer:
Step-by-step explanation:
A=bh
12.6 x 8 = 100.8m2
