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Veronika [31]
3 years ago
15

Red blood cell is about 7.5 micrometers in diameter. A coarse grain of sand is about 70 micrometers in diameter. Find the differ

ence between the two diameters.
need help plz
Mathematics
1 answer:
yarga [219]3 years ago
5 0

Answer:

Difference = 62.5 micrometer

Step-by-step explanation:

Given that:

Diameter of red blood cell = 7.5 micrometer

Diameter of coarse grain of sand = 70 micrometers

For calculating the difference between two diameters, we will subtract the diameter of red blood cell from diameter of grain of sand.

Difference = 70 - 7.5

Difference = 62.5 micrometer

Hence,

Difference = 62.5 micrometer

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What is the most accurate representation of the area of a plot measuring 11.7 cm by 15.4 cm?
sergiy2304 [10]
In the given question the length and width of the plot are already given. although there is no direct specification regarding the one that is length or the one that is the width, so it can be taken as your own choice. This will not affect the ultimate answer. 
So
Area of the rectangular plot = Length * Width
                                             = 11.7 * 15.4 square cm
                                             = 180.18 square cm
So the area of the rectangular plot as can be seen from the above deduction is 180.18 square centimeter.
6 0
4 years ago
For Lilly‘s birthday she takes her for friends to the movies she buys herself all of her friends the movie tickets which cost 72
VladimirAG [237]

Answer:

6536.25

Step-by-step explanation:

Given that :

Number of friends = 4

Cost of movie ticket = 725 each

At concession stand:

Pop corn = 850

Number of popcorn = 2

Large soda = 575

Number of large sodas = 3

Discount given = 15%

Amount spent on movie ticket :

725 * 5 = 3625

Amount spent at concession stand :

Cost of popcorn + cost of large soda

(850 * 2) + (575 * 3) = 3425

15% discount on purchase :

Discount = ((1-0.15) * 3425) = 2911.25

Total amount spent :

3625 + 2911.25

= 6536.25

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3 years ago
What is the range of values for the measurement 300
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3 0
3 years ago
Austin is a human resources executive for a technology company. He is deciding between two types of plans for vacation allowance
ElenaW [278]

The question requires that we have to state the hypothesis:

null hypothesis;H0: u1 < u2, the alternate hypothesis;H1: u1 > u2. The one tail test is what is to be used.

<h3>A. How to state the hypothesis</h3>

H0: u1 < u2

H1: u1 > u2

The one tail test statistic is what is to be used here

<h3>B. standard error </h3>

\sqrt{\frac{30.8}{17} +\frac{6.1}{15} }

= 1.49

The df = 17 + 15 - 2

= 30

test statistic = 18.9 - 17.4 / 1.49

= 1.007

We have the critical value on excel as T.INV(0.9,30)

=  1.310

E. At 0.1, we can conclude that  t-value (1.007) does not lies in the rejection area. We fail to reject the null hypothesis. Hence we conclude that the mean vacation with the unlimited plan is greater.

Read more on statistics here brainly.com/question/7597734

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4 0
2 years ago
How many possible lunches can be consisting of one entree, one drink and one snack? ​
Natalka [10]

Answer:

33

Step-by-step explanation:

snack drink entree = 3x11 because there is 11 options

8 0
4 years ago
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