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wariber [46]
3 years ago
6

An athlete eats 0.2kg of protein per week while training.how much protein will she eat during 9 weeks of training write answer i

n grams
Mathematics
1 answer:
makvit [3.9K]3 years ago
4 0

Number of kg of protein an athlete eats per week = 0.2 kg.

Total number of weeks for which we need to find the number of grams of protein an athlete eats = 9 weeks.

In order to find the total number of grams of protein an athlete eats in 9 weeks, we need to multiply 0.2 by 9.

On multiplying we get

0.2 × 9 = 1.8 kg.

But we need answer in grams.

So, in order to convert kg into grams, we need to multiply 1.8 kg by 1000, we get

1.8 × 1000

= 1800 grams.

<h3>Therefore,  she will eat 1800 grams of protein during 9 weeks of training.</h3>
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A box contains four equal-sized cards labeled 1 , 3, 5, and 7. Tim will select one card from the box. What is the probability th
JulsSmile [24]

Answer: 1/4

Step-by-step explanation:

Since the box box contains four equal-sized cards labeled 1 , 3, 5, and 7. The probability of selecting any number out of the four numbers will be 1/4 if they are selected once.

If Tim selects one card from the box, the probability that Tim will select a card labeled 3 will be: = 1/4

This is because 3 only occurs once and there are 4 numbers in total.

7 0
3 years ago
The answer and how to do it
inessss [21]
Alright, here is how to do it:
First you are going to want to multiply 4x4. [That is Dino's Charges for 4 Sandwiches.] So once you've done that, you should get 16

Now, you're going to want to multiply 8x4. [That is Carla's charges for 4 Sandwiches.] So once you've done that, you should get 24.

Now, to find the difference you will have to subtract them. 24-16 = 18.
Now that we've done this we now know your answer is:
Carla's sandwiches cost more than Dino's sandwiches. The difference is 18 dollars.
-------------------------
I hope I helped, if I did; please give me brainliest. :)
4 0
3 years ago
Consider a data set containing the following values: 70 65 71 78 89 68 50 75 The mean of the preceding values is 70.75. The devi
Leokris [45]

Answer:

If this is the sample data, the sample variance is 125.07 and the sample standard deviation is 11.18

If this is a population data, the population variance is 109.44 and the population standard deviation is 10.46

Step-by-step explanation:

We are given the following data-set:

70, 65, 71, 78, 89, 68, 50, 75

Deviations from the mean

–0.75, –5.75 , 0.25, 7.25, 18.25, –2.75, –20.75, 4.2

Sample size, n = 8

Sample:

\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}  

where x_i are data points, \bar{x} is the mean and n is the number of observations.

Sum of squares of differences =

0.5625 + 33.0625 + 0.0625 + 52.5625 + 333.0625 + 7.5625 + 430.5625 + 18.0625 = 875.5

s = \sqrt{\dfrac{875.5}{7}} = 11.18

\text{ Sample variance} = s^2 = 125.07

Population:

\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n}  

where x_i are data points, \bar{x} is the mean and n is the number of observations.

Sum of squares of differences =

0.5625 + 33.0625 + 0.0625 + 52.5625 + 333.0625 + 7.5625 + 430.5625 + 18.0625 = 875.5

\sigma = \sqrt{\dfrac{875.5}{8}} = 10.46

\text{ Population variance} = \sigma^2 = 109.44

7 0
3 years ago
What is the probability of getting a sum 9 from two throws of a dice?
Fittoniya [83]

1/9 is the answer for that question

8 0
3 years ago
Read 2 more answers
PLEASEEEEE HELP I HAVE A MATH TEST DUE TODAY and its 8:49 please help
MatroZZZ [7]

Answer:

67°

Step-by-step explanation:

In order to find the value of x, subtract the sum of the given angles from 180° so:

=180-(53+60)

=180-113

=67°

6 0
3 years ago
Read 2 more answers
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