-5x - 25 = 78
-5x = 78 + 25
-5x = 103
x = 103/-5
x = -20.6
Compare her solution with that above.
Answer: There are 500 ninth grade students at Richbartville high school.
Step-by-step explanation:
Let be "x" the number of ninth grade students that are at Richbartville high school.
You know that the number of ninth grade students take algebra is 450 and this amount represents the 90% of the the ninth grade students at Richbartville high school.
Knowing this, you can set up the following proportion:
The final step is to solve for "x" in order to find its value. This is:
Therefore, there are 500 ninth grade students at Richbartville high school.
Answer:
180=x+87
-87. -87
93 = x
The value if x is 93
Step-by-step explanation:
You can tell if 2 fractions are equivalent if they are on the same place on this number line. Because 3/8 and 1/2 aren't on the same line, they aren't equal. Contrastingly, because 4/8 and 1/2 ARE on the same line, they are equivalent fractions.
Hope this helps :)
Answer:
√18+4√2 = 9.89949494
Step-by-step explanation: