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quester [9]
3 years ago
7

PLEASE HELP ME!?!?  

Mathematics
2 answers:
-Dominant- [34]3 years ago
4 0

Answer:

B.) a rectangle not a square

Step-by-step explanation:

just took the test

Ymorist [56]3 years ago
3 0

Answer:

i think its C but not sure

Step-by-step explanation:

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Which property is this 16 + (c+ 17) = (16 + c) + 17
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Associative property (associative laws)
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3 years ago
Suppose that contamination particle size (in micrometers) canbe modeled as
asambeis [7]

Answer:

c) 2

d) 0.96

Step-by-step explanation:

We are given the following in the question:

f(x) = 2x^{-3}, x > 1\\~~~~~~~= 0, x \leq 1

a) probability density function.

\displaystyle\int^{\infty}_{\infty}f(x) dx = 1\\\\\displaystyle\int^{\infty}_{-\infty}2x^{-3}dx = 1\\\\\displaystyle\int^{\infty}_{1}2x^{-3}dx\\\\\Rightarrow \big[-x^{-2}\big]^{\infty}_1\\\\\Rightarrow -(0-1) = 1

Thus, it is a probability density function.

b) cumulative distribution function.

P(X

c) mean of the distribution

\mu = \displaystyle\int^{\infty}_{-\infty}xf(x) dx\\\\\mu = \int^{\infty}_12x^{-2}dx\\\\\mu = (-\frac{2}{x})^{\infty}_{1}\\\\\mu = 2

d) probability that the size of random particle will be less than 5 micrometers

P(X

4 0
3 years ago
Brianna solved a two-step equation, but she made a mistake along the way.
Makovka662 [10]

The appropriate choice is ...

... On Line 3, Brianna should have divided by 0.1 instead of subtracting 0.1.

_____

Had Brianna simplified her effort properly on line 4, she would have

... -0.1 +0.1x = -1.4

putting her essentially back where she started—with a 2-step equation.

3 0
3 years ago
Read 2 more answers
25x^4-34x^2y^2+9y^4<br><br>​
garri49 [273]

Answer:

sorry I don't know the answer

Step-by-step explanation:

i will get some points that's why sorry

7 0
3 years ago
Choose one of the fractions models in Part A. Explain how to use mulitplactacion or division to check the equivalent fraction. W
kkurt [141]

Answer:

It has become a cliché to describe the watch business in America

as a game of musical chairs, yet no other seems quite as

relevant.

Source: New York Times

O chord

O reinforcement

ооо

O metaphor

appendix

Step-by-step explanation:

just use ģooglr

4 0
3 years ago
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