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VARVARA [1.3K]
4 years ago
13

1/2 divided by 6/8= what do you think the answer is

Mathematics
1 answer:
asambeis [7]4 years ago
5 0
(1/2)/(6/8) is KCF method into (1/2)(8/6) which is 8/12 or 2/3
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The average response time to a bank robbery is 9 minutes. A local community wants to improve on this time, so they implement adv
timurjin [86]

Answer:

The training does reduce response time at 0.05 level of significance

Step-by-step explanation:

Population mean for a population with normal distribution, where the standard deviation is known and the appropriate significant test is given then;

z=x-μ / δ/√n

where

μ= 9 minutes

x=8 minutes

δ= 4.2

n= 36

Applying the formula;

z= 8-9 / 4.2/√36

z= -1 / 4.2/6

z= -1 /0.7 = - 1.429

Perform the test where

H₀ : p=0.05 verse Ha : p < 0.05

Using the Z-table, find the probability that Z is less than -1.43.

You will find the probability of 0.0764 of Z being more than the value in test thus; there are high chances that results will be observed according to the null hypothesis

6 0
3 years ago
A bus and a car leave the same place and traveled in opposite directions. If the bus is traveling at 50 mph and the car is trave
harina [27]

Answer:

After Two Hours.

Step-by-step explanation:

A simple way to do it is to:

1. Add 50+55, it is equal to 105. This is after one hour, so we know that it's more than this.

2. Add 50+55 to 105, This is after two hours, and we get 210, so we know that it has to be equal to 2 hours.

6 0
3 years ago
Someone please help me<br><br> if efgh is a parallelogram what is the value of x
Nimfa-mama [501]
The answer is C.37— following the picture, you know the blue angle and the green angles are supplements (add up to 180) so you add them and set them to 180 and solve. This solves out to be 37

4 0
4 years ago
The equation below describes a circle. what are the coordinates of the center of the circle?
k0ka [10]
Since, the equation involved is a circle let us clearly write the equation first:
(x+5)^2+(y+2)^2=21^2

From the standard equation of the circle:
(x-h)^2+(y-k)^2=r^2
(h,k)=(x,y)

So from the equation given above, our x would be -5, and our y is equivalent to -2.
So the center of our circle is located at the point (-5,-2)
7 0
3 years ago
I don't understand this. ​
notka56 [123]

Answer:oh tough one! iwould help but i cant see the pic :(

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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