Rayville Elementary sponsors a math competition for 78 students. During the competition, the students work a total of 8,970 math problems in 4 hours. Each student works the same number of problems. How many problems does each student work?
Answers
Each student worked on 115 math problems.
Step-by-step explanation:
Given,
Problems solved in 4 hours = 8970
Number of students in competition = 78
As each student solved same number of problems, we will divide the total problems solved by number of students to find the amount of problems solved by one student.
Problems solved by one student =
Problems solved by one student = 115
Each student worked on 115 math problems.
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Each student works 115 problems.
Explanation:
I'm going to copy and paste the question here, and bold important info.
"Rayville Elementary sponsors a math competition for 78 students. During the competition, the students work a total of 8,970 math problems in 4 hours. Each student works the same number of problems. How many problems does each student work?"
Now everything not bolded? Forget about it. All you need to know is that there are 78 students. They all do 8,970 # of problems. And all the students do the same amount. Now you just have to divide the # of probs. by the amount of students in the competition, and you have your answer.
8970÷78=115
Hope that helped!
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Joannie lent $200 to her sister. Four years later, her sister repaid her in full with $228. What simple annual interest rate did Joannie's sister pay? A. 3.0% B. 3.5% C. 4.0% D. 4.5%
What equals 210 adding
What is 0.008 as a fraction
The vertex is
nothing. (Type an ordered pair.)
Answers
Answer:
Vertex = (-1, 0)
The axis of symmetry is x = -1
Minimum point is (-1, 0)
Range is y ≥ 0
In the interval notation [0, ∞)
Step-by-step explanation:
The given function is y = x^2 +2x + 1.
Write the given equation in the form of y = (x -h)^2 + k.
Here (h,k) is the vertex.
y = x^2 + 2x + 1
y = (x + 1)^2
Vertex = (-1, 0)
Axis of symmetry
The axis of symmetry splits the parabola in 2 equal parts.
In this equation, the axis of symmetry is x = -1
Maximum/minimum value
The parabola goes maximum when there is negative sign, it goes minimum when there is positive sign.
Here we have positive sign in front of (x + 1)^2, therefore, it is minimum at
y= 0
When y =0, x = -1
Therefore, minimum point is (-1, 0)
Range
Y- axis represents the range.
Here the minimum is 0, the maximum goes upto infinity.
Range is y ≥ 0
In the interval notation [0, ∞)
Herewith I have attached the graph of the function.
Convert to vertex form by completing the square
(2/2)^2 = 1
(X^2+2x+1) -1 +1
Y = (X + 1)^2
The vertex is (1,0) because we have no + q, and we have 1 as our p, and since I don’t know any of the points in order to figure out the vertical stretch, this is the final answer.
Hope this helped!!!
x=?
Answers
x*2/5 - 15/5 + x*3/5 = 4 1/4
x*2/5 - 3 + x*3/5 = 4 1/4
x*(2/5+3/5) - 3 = 4 1/4
x*(5/5) - 3 = 4 1/4
1*x - 3 = 4 1/4
x= 4 1/4 + 3
x= 7 1/4
Answers
meaning 1 m
and about less than 1/6 of a km
Hope it helped!
Answers
245 - 60% = 147
and fractions like this: 109 3/4 if i can round to the nearst whole number teel me the answer if your on rite now∞ββ α
thanks you will get a gift from me!!!
Answers
Answer:
25.6=26
327.9=328
58.2= 58
109 3/4= 110
Hope this helps!
Step-by-step explanation:
If your decimal is more than .50 round up, if it is less round down.
Answers
Answer:
256
Step-by-step explanation:
For possibilites, use the equation:
So insert the 4's to get
Answer:
64
Step-by-step explanation:
1
2
3
4
1, 2
1, 3
1, 4
2, 1
2, 3
2, 4
3, 1
3, 2
3, 4
4, 1
4, 2
4, 3
1, 2, 3
1, 2, 4
1, 3, 2
1, 3, 4
1, 4, 2
1, 4, 3
2, 1, 3
2, 1, 4
2, 3, 1
2, 3, 4
2, 4, 1
2, 4, 3
3, 1, 2
3, 1, 4
3, 2, 1
3, 2, 4
3, 4, 1
3, 4, 2
4, 1, 2
4, 1, 3
4, 2, 1
4, 2, 3
4, 3, 1
4, 3, 2
1, 2, 3, 4
1, 2, 4, 3
1, 3, 2, 4
1, 3, 4, 2
1, 4, 2, 3
1, 4, 3, 2
2, 1, 3, 4
2, 1, 4, 3
2, 3, 1, 4
2, 3, 4, 1
2, 4, 1, 3
2, 4, 3, 1
3, 1, 2, 4
3, 1, 4, 2
3, 2, 1, 4
3, 2, 4, 1
3, 4, 1, 2
3, 4, 2, 1
4, 1, 2, 3
4, 1, 3, 2
4, 2, 1, 3
4, 2, 3, 1
4, 3, 1, 2
4, 3, 2, 1