Answer: 94 questions
Step-by-step explanation:
is %
----- = -----
of 100
64 68 68 is the percent Alyssa got correct on the exam.
----- = ----- 64 is the questions she got wrong of an unknown total.
x 100 x is the unknown variable. (the total questions on the test)
Cross multiply to get this: 64*100 = 68x
6400 = 68x (Divide by 68 on both sides)
You should get about 94.11 after dividing. You have to round as there cannot be have a question. It should be rounded to 94 questions. There are 94 questions and 64 were missed. To check your work, do 64/94. This should give you about 68% after rounding.
I would choose "f" because it's the line of reflection between both figures while "e" and "g" reflect within to create the individual shape.
Answer:
each of the eight angles measures 45 degrees
Step-by-step explanation:
The sum of all exterior angles of any polygon always measures 360 degrees.
If it's 'regular' then all angles have the same measures.
If it's an octagon, then it has 8 sides.
360 divided by 8 = 45
Answer: 1.91
Step-by-step explanation:
V=54m³
r=3m
V=r²π*H
h=V/r²π
H=54/9π
H=1.91m
Answer:
1/3
Step-by-step explanation:
2/6 divided by 2/2 equals 1/3.
Explanation: You have to find the common factor the numerator and denominator share.
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