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melisa1 [442]
2 years ago
5

I need help with something in school.

Mathematics
2 answers:
Vanyuwa [196]2 years ago
7 0

Answer:

ask......

Step-by-step explanation:

Kamila [148]2 years ago
6 0

Answer:

what do you need help with

Step-by-step explanation:

:)

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I think the answer is C. 45 units
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2 years ago
What is the domain and range of the function f(x)= 1/x
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the domain is x and the range is 1

Step-by-step explanation:

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3 years ago
(−t 4 −5t 3 −10t 2 )+(9t 3 +3t 2 −1)
klemol [59]

Answer:

\left(-t^4-5t^3-10t^2\right)+\left(9t^3+3t^2-1\right)=-t^4+4t^3-7t^2-1

Step-by-step explanation:

Given the expression

\left(-t^4\:-5t^3\:-10t^2\:\right)+\left(9t^3\:+3t^2\:-1\right)

Remove parentheses:  (a)=a

=-t^4-5t^3-10t^2+9t^3+3t^2-1

Group like terms

=-t^4-5t^3+9t^3-10t^2+3t^2-1

Add similar elements        

=-t^4-5t^3+9t^3-7t^2-1         ∵ -10t^2+3t^2=-7t^2

Add similar elements        

=-t^4+4t^3-7t^2-1                  ∵  -5t^3+9t^3=4t^3

Thus, the equivalent expression in simplified form:

\left(-t^4-5t^3-10t^2\right)+\left(9t^3+3t^2-1\right)=-t^4+4t^3-7t^2-1

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The number of customers that come to a certain clothing store each day follows a normal distribution. The mean number of custome
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Answer:

c 2.5

Step-by-step explanation:

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