Answer:
-3x+8
Step-by-step explanation:
−2x−x+8
Add the -2x to the -x and you get -3x.
-3x + 8 is the answer if you wrote your equation correctly...
Answer:
they are 0.2 apart from each other and can easily be shown on a number line
Step-by-step explanation:
Answer:
f=16/7.3x
Step-by-step explanation:
Lets solve for f:
f(7.3)=16
Step 1:Divide both sides by 7.3x
7.3f/7.3x=16/17.3x
f=16/7.3x
Answer:
25
Step-by-step explanation:
5:9
x:40
what is the realationship between 9 and 40? -9x5=40
so 5x5=25 so x=25
5:9x5:5=25:40
Answer:
Sue must score 94 on the final test to earn a B.
Step-by-step explanation:
There are five tests in total.
Sue's average on the first four tests is 84.
If after the final test, she scores X, she will have a B on average of five tests.
We have the following equation:
86 = (4 × 84 + X)/5
<=> X = 5 × 86 - 4 × 84
=> X = 94