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zhuklara [117]
3 years ago
13

Easy one - giving brainly - show work.​

Mathematics
2 answers:
Hitman42 [59]3 years ago
7 0

Answer:

22 students

Step-by-step explanation:

There is two ways to do this problem.

1: since 80% of her class has a calculator you know that 20% does not because 100% - 80% = 20%, then from there you can multiply 110 by 0.2 (20% converted into a decimal) and get 22

2: or you could multiply 110 by 0.8 (80% as a decimal), then take that value (88) and subtract it from 110, (110 - 88 = 22)

Fynjy0 [20]3 years ago
6 0

Answer:

22 students do now have their own calculators

Step-by-step explanation:

80% of 110 is 88

you can find this by multiplying 110 by 0.8

110 - 88 = 22

22 students do now have their own calculators

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Answer:

$30.76

Step-by-step explanation:

Add up all data values to get the sum

Count the number of values in your data set

Divide the sum by the count

7 0
3 years ago
Rewrite the expression using the distributive property <br><br> 2(4 + X)
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Answer:

2(4 + X)

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Step-by-step explanation:

hope my answer is helpful to you

3 0
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Average Temperatures Suppose the temperature (degrees F) in a river at a point x meters downstream from a factory that is discha
mr Goodwill [35]

Answer:

Step-by-step explanation:

Average Temperatures Suppose the temperature (degrees F) in a river at a point x meters downstream from a factory that is discharging hot water into the river is given by

T(x) = 160-0.05x^2

a. [0, 10]

For x = 0

T(0) = 160 - 0.05 × 0^2

T(0) = 160

For x = 10

T(10) = 160 - 0.05 × 10^2

T(10) = 160 - 5 = 155

The average temperature

= (160 + 155)/2 = 157.5

b. [10, 40]

For x = 10

T(10) = 160 - 0.05 × 10^2

T(10) = 160 - 5 = 155

For x = 40

T(10) = 160 - 0.05 × 40^2

T(10) = 160 - 80 = 80

The average temperature

= (80 + 155)/2 = 117.5

c. [0, 40]

For x = 0

T(0) = 160 - 0.05 × 0^2

T(0) = 160

For x = 40

T(10) = 160 - 0.05 × 40^2

T(10) = 160 - 80 = 80

The average temperature

= (160 + 80)/2 = 120

6 0
3 years ago
Please help Ill give brainy pleas help please
MissTica

Answer:

m=0

Step-by-step explanation:

it just is as there is no change

3 0
2 years ago
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