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lbvjy [14]
3 years ago
12

What is the answer to this problem? (15)18+89*56/7= ?

Mathematics
2 answers:
Fiesta28 [93]3 years ago
8 0

Hello there, the answer to your question is:

982



Morgarella [4.7K]3 years ago
5 0

Yeah, the answer is 982

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To obtain an estimate of the proportion of "full time" university students who have a part time job in excess of 30 hours per we
musickatia [10]

Answer:

2,436 students

Step-by-step explanation:

At a 90% confidence level, the z-score is 1.645 and the confidence interval is given by:

x\pm z\frac{s}{\sqrt n}

Where s is the standard deviation, and  n is the sample size.

If they want the length of their confidence interval to be no greater than 0.2, it must be no further than 0.1 from the mean 'X':

0.1>1.645\frac{3}{\sqrt n}\\\sqrt n>1.645*30\\n>2,435.42

Rounding up to the next whole number, the sample size should be 2,436 students.

5 0
4 years ago
According to the measurements given in the figure below, which of the following
PilotLPTM [1.2K]
<span>International System of Units (SI Units) are organized body of measurements for physical quantity. They are set to be the norm or global norm scaling for every physical quantity which includes kilogram, meter, second, ampere, kelvin, candela and mole. These measurements then can increase or decrease by the power of ten, multiplied or divided. As said and explained, the SI is helpful in describing objects because </span>
<span><span>1.       </span>They give us the idea of how much matter is contained in that single substance or the current state the matter is in or how hot or cold. We measure and can quantify the quality of the specific matter.</span> <span><span>
2.       </span>SI Units are a global set of measurement hence, we can communicate with ease from western to eastern countries with these measurements without having problems in terms of portraying or displaying a set of physical quantities.</span><span>
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4 0
3 years ago
Simplify squareroot 9/36
stiks02 [169]

Hi!


Let's find the square root of 9/36.


First, find the square root of 9.

To do that, factorize it.

9/3 = 3

3/3 = 1

3 * 3 = 9

The square root of 9 is 3.


Now find the square root of 36.

36/2 = 18

18/2 = 9

9/3 = 3

3/3 = 1

2 * 2 * 3 * 3 = 36

You could also write this as...

2 * 3 * 2 * 3 = 36

Solve part of it and you get...

6 * 6 = 36

The square root of 36 is 6.


The answer is 3/6, but simplified it's 1/2.


Hope this helps! :)

-Peredhel

4 0
4 years ago
Read 2 more answers
Geometry
Sonbull [250]
Answer: 168 kilometers

Lakewood
| \
| \
|72\
| \
|_21_\
O’s home. Wildgrove

Wild grove to lakewood:
21^2 + 72^2 = x^2
441 + 5184 = x^2
5625 = x^2
75 = x

Home to Lakewood: 72
Lakewood to wildgrove: 75
Wildgrove to home: 21

72+75+21= 168 kilometers
3 0
3 years ago
Find the missing length!!!!!
sineoko [7]

Answer:

2x^2+4x

HOPE THIS HELPS

-Todo <3

Step-by-step explanation:

9x^2+2x

2x^2+4x

(if you would like an explanation let me know :D)

3 0
3 years ago
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