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FinnZ [79.3K]
3 years ago
7

What's another way to decompose Jenna's fraction?

Mathematics
2 answers:
Dahasolnce [82]3 years ago
5 0
2/10+2/10+2/10+2/10=8/10
ipn [44]3 years ago
4 0
The reason it would NOT be 1 8/10 is because that would be adding 10/10 to the original fraction. What you did was make a mixed fraction (a whole number and a fraction placed together)
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Taisha uses the elliptical cross- trainer at the gym. Her general goal is to burn 280 calories per workout, but she varies by as
Fed [463]

Given - Taisha has a general goal is to burn the 280 calories.

she is varies by the 25 calories.

Find out the maximum and minimum of calories burn by the taisha.

To proof -

let us assume that the calories burn by the taisha be x.

as given the calories are varies by the 25 calories.

then the maximum calories equation becomes

x-25 = 280

x = 280 + 25

x = 305

the maximum calories burn by the taisha is 305 calories.

minimum calories equationbecomes

x + 25 = 280

x = 255

The minmum calories burn by the taisha is 255 calories.

Hence proved






8 0
3 years ago
Read 2 more answers
What is the estamate of 1374 times 6
Gemiola [76]
Hey!~

To make an "estimate", you can round 1374 to the nearest hundreds place, making it 1400. Next, all you need to do is do 1400*6, which is simply 8400.

Hope this helps and have a great day!

-Lindsey
3 0
3 years ago
4 pencils and 3 crayons are 20.9 inches. 5 pencils and 4 crayons are 26.5 inches. Each pencil is the same length as the other pe
erastova [34]

Answer:

The length of the pencils is 4.1 inches and for the crayons 1.5 inches

Step-by-step explanation:

We can solve by means of a 2x2 system of equations, we have to:

let "x" be the length of the pencils

let "y" be the length of the crayons

4 * x + 3 * y = 20.9

5 * x + 4 * y = 26.5 => x = (26.5 - 4 * y) / 5

Replacing:

4 * (26.5 - 4 * y) / 5 + 3 * y = 20.9

21.2 - 3.2 * y + 3 * y = 20.9

-0.2 * y = 20.9 - 21.2

y = -0.3 / -0.2

y = 1.5

now for x:

x = (26.5 - 4 * 1.5) / 5

x = 4.1

This means that the length of the pencils is 4.1 inches and for the crayons 1.5 inches

5 0
4 years ago
Chelsea ordered a 6foot sub sandwich to share with her friends at her birthday party how many 4-1/2 inch sandwich can she make f
galben [10]

6 times 12 = 72 since there is 12 inches in a foot. Divide 72 by 4.5 and get 16 pieces

5 0
3 years ago
Read 2 more answers
Early diagnosis and treatment of malaria are necessary components in the control of malaria. The gold-standard light microscopy
docker41 [41]

Answer:

a) 0.9548

b) 0.0452

Step-by-step explanation:

Specificity of test:

The specificity of a test is the true negative rate, that is, the proportion of people without the disease that test negative.

Sensitivity of test:

The sensitivity of a test is the true positive rate, which is the proportion of people with the disease that test positive.

a. What proportion of the people who test positive for Malaria would we expect to actually have the disease?

This is the sensitivity of the test, which is of 95.48%, so the proportion if 0.9548.

b. What proportion of people who test positive for Malaria will not have the disease?

True positive rate is of 95.48%.

1 - 0.9548 = 0.0452

So the proportion of people who test positive for Malaria will not have the disease is 0.0452.

6 0
3 years ago
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