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KiRa [710]
3 years ago
14

Anyone understand this?

Mathematics
1 answer:
natka813 [3]3 years ago
3 0

Answer:

i don.tget it

Step-by-step explanation:

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A gardener needs to move 2,782 pounds of dirt. He can carry 96 pounds in his wheelbarrow. How many trips will he need to make wi
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Answer:

28.9

Step-by-step explanation:

2782 divied by 96 gives you 28.9.

7 0
3 years ago
A wildlife preserve features a crocodile with a documented age of 24 years, believed to be one of the oldest crocodiles in capti
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Answer:

0.0104

Step-by-step explanation:

Given that, the lifespans of crocodiles have an approximately Normal distribution, with a mean of 18 years and a standard deviation of 2.6 years.

So, mean, \mu=18

and standard deviation, \sigma=2.6

The z-score, for any arbitrary life span of  x year, is given by

z=\frac{x-\mu}{\sigma}

By using the given values, we have

z=\frac{x-18}{2.6} \cdots(i)

The z-score for x=24, by using equation (i), is

z=\frac{24-18}{2.6}=\frac{6}{2.6}=2.31

From the table, the area to the left side of z=2.31 =0.98956

But, the proportion of crocodiles have lifespans of at least 24 years

= Area to the right side of the z=2.31

=1- (Area to the left side of the z=2.31)

=1-0.98956

=0.01044

So, the proportion of crocodiles that have lifespans of at least 24 years is 0.0104.

Hence, option (a) is correct.

5 0
2 years ago
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How to prove the pythagorean Theorem pictorially
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By drawing the hypotenuse of the shape. 
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3 years ago
Two number differ by 3 The sum of their reciporcal is 7/10 find tge numbers
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The numbers are 5 and 2.

Reciprocals: 5- 5/10
                     2- 2/10
(2/10)+(5/10)= 7/10
5-2= 3
 
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3 years ago
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What does the mode represent in a set of numbers?
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The number which appears most often in a set of numbers.

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