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Nonamiya [84]
4 years ago
5

What is 70 ×300 i dont know this

Mathematics
2 answers:
Triss [41]4 years ago
8 0
The answer is 21,000                                                                                                      
dem82 [27]4 years ago
6 0

21,000

Set up the equation. On a piece of paper, write the dividend (number being divided) on the right, under the division symbol, and the divisor (number doing the division) to the left on the outside. ... Divide the first digit. ... Divide the first two digits. ... <span>Enter the first digit of the quotient.
</span>
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The manager went over the sales of mobile phones at the store and found that the mean sale was 45, with a standard deviation of
d1i1m1o1n [39]

The z-score of the sale of mobile phones on that day is 1.75

Step-by-step explanation:

The formula of z-score is z = (x - μ)/σ, where:

  • x is the score
  • μ is the mean
  • σ is the standard deviation

∵ The mean sale was 45

∴ μ = 45

∵ The standard deviation was 4

∴ σ = 4

∵ 52 mobile phones were sold on a particular day

∴ x = 52

To find z-score of the sale of mobile phones on that day substitute the values of x, μ, and σ in the formula of z-score

∵ z=\frac{52-45}{4}

∴ z=\frac{7}{4}

∴ z = 1.75

The z-score of the sale of mobile phones on that day is 1.75

Learn more:

You can learn more about z-score in brainly.com/question/7207785

#LearnwithBrainly

3 0
4 years ago
In 2016, the city of Rio de Janeiro had a population density of 5377 people/km^2
Allushta [10]

Answer: The population density was 0.005377  people per square meter.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Help and I will follow
inn [45]

Answer:

32

Step-by-step explanation:

Our total is x.

Maysa took half of the cherries, so there is .5x left.

Nabilla took half of the remaining, so that is .5*0.5x, which is .25x

Abdulla took 3.

Your equation is:

.25x-3=5

.25x=8

x=32

So there are 32 cherries

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3 years ago
PLEASE HELP WILL GIVE BRAINLIEST!!!!!!!!! The line plot shows the results of a survey of 10 boys and 10 girls about how many tim
Alchen [17]

Answer:

I think the answer is D. On average, boys saw the movie more than girls.

Do great on the test! ~ :)

7 0
3 years ago
12 yo<br> 5 yd<br> what is the length of the hypotenuse
Allushta [10]

I'm sure that the hypotenuse is 13 yards

Here's the formula used:

Length of Hypotenuse² = Length of side 1² + Length of side 2²

So here's how to solve this question:

12 squared + 5 squared = hypotenuse

(Then square the values)

144 + 25 = 169

Divide 169 by the square root to get the length of the hypotenuse: 13

Hope this helps!

7 0
3 years ago
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