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nirvana33 [79]
3 years ago
5

The point (–7, –3) is located in which quadrant?

Mathematics
2 answers:
Dmitry_Shevchenko [17]3 years ago
8 0

Answer:

Quadrant III

Step-by-step explanation:

N76 [4]3 years ago
3 0
It’s located on the III quadrant !!
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1 centimeter on the map represents 100 kilometers on he ground. The scale ratio is 1 to ?
hoa [83]
The scale ratio is 1 to 100
5 0
3 years ago
Read 2 more answers
A simple random sample of 100 men is chosen form a population with mean height 71 in and standard deviation 2.5 in. What is the
ankoles [38]

Answer:

2.28%

Step-by-step explanation:

The z score is used to determine how many standard deviations that the raw score is above or below the mean. If the z score is positive then the raw score is above the mean and if it is negative then it is below the mean. It is given by:

z=\frac{x-\mu}{\sigma}\\ \\\mu = mean, \sigma=standard\ deviation,x=raw\ score\\\\For\ a\ sample\ n\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} }\\\\For\ x

5 0
4 years ago
Use differentials to estimate the amount of material in a closed cylindrical can that is 60 cm high and 24 cm in diameter if the
alexira [117]

Answer:

dV=542.9 cm^{3}    

Step-by-step explanation:

Let's start with the equation of the volume of a cylinder:

V=\pi r^{2}*h

Where:

  • r is the radius of the cylinder (r=D/2=24/2=12 cm)
  • h is the high of the cylinder (h = 60 cm)

We can us partial derivatives to find the differential of this volume. So we will have:

dV=\frac{\partial V}{\partial r}dr+\frac{\partial V}{\partial h}dh (1)

Now:

\frac{\partial V}{\partial r}=2\pi r*h=2\pi 12*60=4523.9 cm^{2}

\frac{\partial V}{\partial h}=\pi 12^{2}=452.4 cm^{2}

dr is a differential of the radius, so in our case it is 0.1 cm and dh, differential of the high, is 0.1*2 cm. We multiply by 2 because we need to consider the top and the bottom of the cylinder.

Now we just need to put all of this definitions in the equation (1).

dV=4523.9*0.1+452.4*0.2=542.9 cm^{3}    

I hope it helps you!

6 0
4 years ago
14 gal/s =_qt/minutes
3241004551 [841]
We know that 1 gallon= 4 quarts
therefore, 14 gallons=56 quarts
so
14gallons/s=56 qt/s

if we would need to find just gallons/second in quarts /second the answer will be simple, but we need to find the answer in qt/min
is there are 56 qt per second, it means that it will be
56*60 in 1 minute
56*60=3360
final answer
14 gallons/s=3360 qt/min

7 0
3 years ago
Which number when rounded to the nearest tenth is 43.6
Alex73 [517]

Answer:

Any number greater than 43.54 and less than 43.6 rounds to 43.6. So, 43.55, 43.56, 43.57, 43.58 and 43.59 all round up to 43.6.

8 0
3 years ago
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