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12345 [234]
3 years ago
14

Carter got the following scores on science tests: 90, 82, 88, 78, 93 What is the mean absolute deviation? A. 4.96 B. 12.00 C. 86

.20 D. 88.00.

Mathematics
1 answer:
Serga [27]3 years ago
4 0
You would add up all the scores and divided by how many divers there are
90+82+88+78+93= 431
Divide by 5
86.20 is ur answer

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If you were asked to load 225 bixes on a truck , and boxes are crated. With each nine boxes how many crates would you need to lo
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225 divided by 9 to figure out the number of crates needed.
225/9=25

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exis [7]

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Answer:

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Step-by-step explanation:

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2 years ago
Which expression is equivalent to (3a5 + b4)2
makvit [3.9K]
Is it multiple choice or do you have to write a answer?
8 0
3 years ago
Read 2 more answers
Type the correct answer in each box
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Answer:

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4 0
3 years ago
Im confused..I feel as if what I’m learning in class itself is not as difficult as the problems my teacher gives us to take home
RideAnS [48]
Ok, so remember that the derivitive of the position function is the velocty function and the derivitive of the velocity function is the accceleration function

x(t) is the positon function
so just take the derivitive of 3t/π +cos(t) twice
first derivitive is 3/π-sin(t)
2nd derivitive is -cos(t)
a(t)=-cos(t)

on the interval [π/2,5π/2) where does -cos(t)=1? or where does cos(t)=-1?
at t=π
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the function f(x) is increaseing when the slope is positive
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we are given f'(x), the derivitive of f(x)
we want to find where it is increasing AND where it is concave down

it is increasing when the derivitive is positive, so just find where the graph is positive (that's about from -2 to 4)

it is concave down when the second derivitive (aka derivitive of the first derivitive aka slope of the first derivitive) is negative
where is the slope negative?
from about x=0 to x=2
and that's in our range of being increasing
so the interval is (0,2)
4 0
3 years ago
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