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3 years ago

13

There are 15 desk in a teachers classroom. The teacher removed 3/5 of the desks from her classroom. How many desk did the teache

r remove?

1 answer:

FrozenT [24]3 years ago

7 0

Step-by-step explanation:

To subtract fractions, find the LCD and then combine.

Exact Form: 72/5

decimal form: 14.4

mixed number form: 15 2/5

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28.5 g of iron shot is added to a graduated cylinder containing 45.50 mL of water. the water level rises to the 49.10 mL mark. F

Alika [10]

Density=mass/volume.
1) we have to calculate the iron volume in liters.
iron volume=second level - first level=49.10 ml-45.50 ml=3.6 ml
3.6 ml=3.6 ml(1 liter / 1000 ml)=0.0036 liters

2) we calculate the mass iron in kg.
28.5 g=28.5 g(1 kg /1000 g)=0.0285 kg.
2) we calculate the density of iron.
density=0.0285 kg / 0.0036 liters=7.92 kg/L

7.92 kg/l=7.92 kg/L(1000 g/1Kg)(1000 cm³/1 L)=7.92 g/cm³.

answer: From this information the Iron density is 7.92 Kg/L or 7.92 g/cm³.

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4 years ago

Can someone help me answer part b please .As I have no idea what it is ?

Elza [17]

Answer:

(4,1)

Step-by-step explanation:

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3 years ago

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Ana is 12 years old, her brother Joe is 3 years old. Find the ratio between Ana's age and Joe's age.

zalisa [80]

Answer:12/3=4

ratio 4:1

Step-by-step explanation:

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3 years ago

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250 employees in an organization were surveyed about their hair color and height. The data collected is presented in the table.

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3 years ago

dominic checked out a book from the library and he has 11 days to read the book before he needs to return it. he calculates that

jenyasd209 [6]

The number of pages is an illustration of a linear equation

The equation that represents the number of pages is $11 = B - 17 * p$

<h3>How to determine the equation</h3>

The given parameters are:

Rate = 17 pages per day

Days = 11 days

Total pages = B

Given that a linear equation is represented as:

$y = c + mx$

The equation to calculate p is:

$11 = B - 17 * p$

Hence, the equation that represents the number of pages is $11 = B - 17 * p$

Read more about linear equations at:

brainly.com/question/14323743

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2 years ago