Tram leaves Piccadilly to Eccles every 9 minutes and to didsbury every 12 minutes. A tram to Eccles and a tram to didsbury both leave Piccadilly at 9am. At what time will a tram to Eccles and a train to didsbury next leave picadilly at the same time?
Answers
So the trams will leave together 36 minutes after they have left together the first time.
So it will be 36 minutes after 9 am.
So the time is 9:36 am.
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A parabola and its focus are shown on the graph. the vertex of the parabola is at (0,0). what is the equation of the directrix of the parabola?A) Y=3B) Y= -3C) X= 3D) X= -3
-2 1/4÷(-3 1/3)=? Solve into a simplified proper or improper fraction.
Some students attend school 180 of the 365 days in a year. About what part of the year do they attend school?
What is the equivalent ratio of 6:3
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Answer:
9
Step-by-step explanation:
;-;
Answer:
the answer to your question is 9
Step-by-step explanation:
1+(1+1+1+1+1+1+1+1)=9
Answers
2) 1.073
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Answers
The expression which represents the amount of money he makes is 10m + 96
How to be write mathematical expression?
- Amount earned per hour for lawns = $10
- Amount earned per hour to rake leaves = $8
- Number of hours mowed = m
- Number of hours raked = 12 hours
Total amount of money earned = (10 × m) + (8 × 12)
= 10m + 96
Therefore, the expression which represents the amount of money he makes is 10m + 96
Learn more about mathematical expression:
#SPJ9
10m+8(12)
Harrison mowes lawns for 11 hours, so m=11. How Much money does he make in September? He makes 206 $.
Answers
Pennant 1 = base = 18 in ; length = 9 inches
Pennant 2 = base = 6 in ; length = x ?
9/18 = x/6
9*6 = 18x
54 = 18x
54/18 = x
3 = x
The length of the side of the smaller pennant is 3 inches.
Answer:the answer is 3inches
Step-by-step explanation:
Answers
Answer: y = 4x + 5
Step-by-step explanation:
Find the slope of the second line.
4x - y = 12
-y = -4x + 12
y = 4x - 12
slope = 4
Therefore, the slope of the second line must also be 4.
Use point-slope form to write the equation.
y + 3 = 4(x + 2)
y = 4x + 5
Answers
The interval that represent the middle 80% of the heights (inches) is [64.88, 75.12].
Step-by-step explanation:
Given :
Mean --
Standard Deviation --
Calculation :
We want to know an interval in which the probability that a height falls there is 0.8.
In such interval, the probability that a value is higher than the right end of the interval is
If x is the distribuition of heights, then we want y such that P(x > y) = 0.1.
Now, let
We have
by looking at the table, we find that U = 1.28, therefore
The other end of the interval is the symmetrical of 75.12 respect to 70, hence it is
70- (75.12-70) = 64.88.
The interval that represent the middle 80% of the heights (inches) is [64.88, 75.12].
For more information, refer the link given below
Answer:
The interval (meassured in Inches) that represent the middle 80% of the heights is [64.88, 75.12]
Step-by-step explanation:
I beleive those options corresponds to another question, i will ignore them. We want to know an interval in which the probability that a height falls there is 0.8.
In such interval, the probability that a value is higher than the right end of the interval is (1-0.8)/2 = 0.1
If X is the distribuition of heights, then we want z such that P(X > z) = 0.1. We will take W, the standarization of X, wth distribution N(0,1)
The values of the cumulative distribution function of W, denoted by , can be found in the attached file. Lets call
. We have
Thus
by looking at the table, we find that y = 1.28, therefore
The other end of the interval is the symmetrical of 75.12 respect to 70, hence it is 70- (75.12-70) = 64.88.
The interval (meassured in Inches) that represent the middle 80% of the heights is [64.88, 75.12] .