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elena-14-01-66 [18.8K]
3 years ago
12

Type the correct answer in the box.

Mathematics
1 answer:
pantera1 [17]3 years ago
8 0

Answer:

-1-15i

Step-by-step explanation:

Plato

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What is the gradient of the graph shown?<br> Give your answer in its simplest form.
AlekseyPX

Answer:

m = —1/3

Step-by-step explanation:

There are two clear points shown on the graph

point 1: (0;3)

point 2: (6;1)

m =  \frac{y2 - y1}{x2 - x1}

m =  \frac{1 - 3}{6 - 0}

m =  - \frac{2}{6}

m =  -  \frac{1}{3}

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2 years ago
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The lifespans of gorillas in a particular zoo are normally distributed. The average gorilla lives 20.8 years; the
Luda [366]
If the mean is 20.8, one standard deviation each way is adding and subtracting 3.1, so 17.7 and 23.9 (68% of values)

Two standard deviations adding and subtracting 3.1*2 = 6.2, or 14.6 and 27.

Three standard deviations is 11.5 and 30.1

So we have
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Going left to 11.5 is 3 standard deviations out, so 99.7/2 = 49.85%

Going right to 27 is 2 standard deviations out, so 95/2 = 47.5%

Add those two % to get 97.32%

This is hard to do without a picture so I hope that helps!

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3 years ago
Which expression is equivalent to the given expression?
djverab [1.8K]

Answer:

a. 5q+5q+5

Step-by-step explanation:

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HELP PLZZ TIMED TEST 5 MIN LEFT!
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Step-by-step explanation:

answer: 135 degrees for the missing side

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If you have a 5 letters A,B,C,D,E and you can put them in any order how many ways can you place them
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The first letter can be any one of 5.  For each of those . . .
The second letter can be any one of the remaining 4.  For each of those . . .
The third letter can be any one of the remaining 3.  For each of those . . .
The fourth letter can be any one of the remaining 2.  For either of those . . .
The fifth letter is the last remaining one.

  Total number of possibilities = (5 x 4 x 3 x 2 x 1)  = 

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makes you cool.  Maybe it does make you one of the crowd, but life
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