Answer:
There are 1240 students at Washington middle school.
Step-by-step explanation:
Percentages and Portions
We can find portions of a whole by correctly managing the percentages of each part. We know 25% of all students at Washington middle school were on the honor roll. From that portion, 60% of the students are seventh graders. That means 40% of the 25% are eight graders, i.e. 40*25%=10% were from eight grade.
We have 10% of all students are 124, thus the number of students are 124/10%=1240
There are 1240 students at Washington middle school.
Let's test the answer. 25% of 1240 students are on the honor roll, which is 310 students. 40% of 310 students are from 8th grade, 40%*310 = 124 as stated in the problem
Answer:
1/2+1.5
I think. I'm sorry if I'm wrong
Step-by-step explanation:
In Step 2, Lara did not ensure that the second diamter was perpendicualr to the first diameter she drew.
The correct steps should be:
Step 1: Use the straightedge to draw a diameter of the circle. Label the points at which the diameter touches the circle as A and B.
Step 2: Draw a second diameter <em>perpendicular to the first diameter</em>. Label the points at which the second diameter touches the circle as C and D.
Step 3: Join the end points of the two diameters to form a square.
2/32 - 1/16 this is the probability (in fractions)
Answer:
Step-by-step explanation:
34=-11+7A
We move all terms to the left:
34-(-11+7A)=0
We add all the numbers together, and all the variables
-(7A-11)+34=0
We get rid of parentheses
-7A+11+34=0
We add all the numbers together, and all the variables
-7A+45=0
We move all terms containing A to the left, all other terms to the right
-7A=-45
A=-45/-7
A=6+3/7
