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Murrr4er [49]
3 years ago
10

Leslie is a biologist. She is going to randomly select one animal from her lab to study. There are 5 salamanders, 3 crayfish, an

d 12 minnows in her lab.
What is P?
Mathematics
2 answers:
Scrat [10]3 years ago
8 0
5/20 but if you were to simplify it then 1/4
podryga [215]3 years ago
8 0

Answer:

0.25

Step-by-step explanation:

Probability = Number of favorite outcomes / Number of possible outcomes

There are 5 favorable outcomes ( the

There are 20 possible outcomes ( the 5+3+12=20 total animals).

P (salamander) = \frac{5}{20} = 0.25

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The length of the rectangular basketball court is 44 feet more than the width. If the perimeter of the basketball court is 288 f
Temka [501]
Let's first say that L=W+44

and then remember that perimeter is P=2L+2W

replace the L with W+44

we then get P=2(W+44)+2W, now I'll solve it

P=2W+88+2W
P=4W+88

substitute 288 for P

288=4W+88
200=4W
50=W

so now we now how wide the court is. add 44 to find the length which gives you L=94

as always plug the numbers back into your perimeter equation to ensure L and W are correct
8 0
3 years ago
Read each statement then select whether it is true or false.
Marina CMI [18]

Answer:

1) true

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3) false

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4 0
3 years ago
Order the numbers from least to greatest. 3 63/80 , 3 1/5 , 3 11/20
gregori [183]

Let's compare apples to apples and oranges to oranges: convert each given proper fraction into its decimal counterpart:

3 63/80 => 3 .788 approx.

3 1/5 => 3.2

3 11/20 => 3.55

It's now an easy matter to arrange these numbers from least to greatest:

3.2, 3.55, 3.79, or

3 1/5, 3 11/20, 3 63/80


7 0
3 years ago
The length of a rectangle is 5 units more than twice its width. Find an expression for the perimeter of the rectangle.
kolezko [41]
The width would be 10
length would be 15
8 0
3 years ago
In Kailah's class the ratio of girls to boys is 13 to 8. If there were 16 boys, how many girls will there be?
VladimirAG [237]

Answer:

I believe that the answer is 26

Step-by-step explanation:

The ratio of girls to boys is 13 to 8 so there are 13 girls for every 8 boys so if there are 16 boys (8X2) then there are 26 girls (13X2)

5 0
3 years ago
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