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3 years ago

What is 10 divided by 2 plus 8?

Mathematics

2 answers:

adelina 88 [10]3 years ago

7 0

Answer:

Step-by-step explanation:

First of all you need to use BIDMAS/BODMAS whatever you call it. You can clearly see that division comes before addition so you need to do:

<h2>10 divide 2 = 5 </h2><h2>5 + 8 = 13</h2><h2 /><h2>Therefore your answer is 13 </h2><h2 /><h2>Hope this helped to answer your question :) </h2>

Burka [1]3 years ago

6 0

Answer:

10 divided by 3 is 5 then you add 8 which will give you 13

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What is the probability that five randomly selected students will have a mean score that is greater than the mean achieved by th

katrin2010 [14]

Answer:

the probability that five randomly selected students will have a mean score that is greater than the mean achieved by the students = 0.0096

Step-by-step explanation:

From the five randomly selected students ; 160, 175, 163, 149, 153

mean average of the students = 160+175+163+149+153/5

= mean = x-bar = 800/5

mean x-bar = 160

from probability distribution, P(x-bar > 160) = P[ x-bar - miu / SD > 160 -150.8 /3.94]

P( Z>2.34) = from normal Z-distribution table

= 0.0096419

= 0.0096

hence the probability that five randomly selected students will have a mean score that is greater than the mean achieved by the students = 0.0096

where SD = standard deviation = 3.94 and Miu = 150.8

5 0

3 years ago

Metallic silver has a density of 10.50. what is the mass, in g, of a silver ingot that is 28.0 cm long, 4.90 cm wide, and 3.60 c

frozen [14]

Answer:

5190 g

Step-by-step explanation:

Calculate the volume:

28.0 cm × 4.90 cm × 3.60 cm = 493.92 cm³

Density is mass divided by volume:

D = M / V

Solving for mass:

M = D V

Substituting values:

M = (10.50 g/cm³) (493.92 cm³)

M = 5186.16 g

Rounding to three significant figures, the mass is 5190 g.

3 0

3 years ago

The owner of a skate shop notices that every time a certain employee has a shift, there are higher sales numbers at the end of t

Serjik [45]

Answer:

Correlation.

Step-by-step explanation:

When relationship between two or more variables are to be established such that the measure of the effect of one variable (independent variable) on the other variable (dependent variable) is evaluated , this is called correlation study or analysis. In the scenario above, the relationship between productivity or revenue and employee shift is correlated, that is a relationship was established between the revenue made and the shift days of a particular employee, which yielded a positive association between the two variables. The employee shift is the independent variable and the revenue made is the dependent variable.

6 0

3 years ago

Which of the following is equivalent to? 19

11Alexandr11 [23.1K]

Answer:

we dont see the numbers

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

Factor each trinomial completely.<br> 4x^2 - 25b^2 and x^2 - 81

GenaCL600 [577]

Step-by-step explanation:

4x2 - 25b2

We can solve it by the squares so

(2x - 5b) (2x + 5b)

2) x2 - 81

The same case is here so

(x - 9) (x + 9)

8 0

3 years ago