3 years ago

PLEASE HELP I'LL LEAVE THANKS:)

Mathematics

1 answer:

miskamm [114]3 years ago

8 0

1 to 6!!!!!!!!!!!!!!!!!!

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HELPPPPP!!!! Ivy graphs how much money she earns for hours of babysitting. She finds that the data tends to be linear and draws

Vinvika [58]

Answer:

B $6.50

Step-by-step explanation:

We need to find the slope

This is given by

m = (y2-y1)/(x2-x1)

=(32.5 - 13)/(5-2)

=19.5/3

= 6.5

7 0

3 years ago

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Solve for x. 3(3x - 1) + 2(3 - x) = 0

olganol [36]

Use distributive property to get rid of the parenthesis.....

9x - 3 + 6 - 2x = 0
combine like terms
7x + 3 = 0
move the 3 over by subtraction
7x = -3
divide by 7
x = -3/7

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3 years ago

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Let f(x) = xe−x if x ≥ 0 and f(x) = 0 if x < 0 Is f a probability density function?

Lynna [10]

Yes. $f(x)$ is a PDF if

• $f(x) \ge 0$ for all $x$ in the support; this is true, since $e^{-x}>0$ for all $x$ , and multiplying a positive number $x$ doesn't change this fact;

• the integral of $f(x)$ over its support is 1; this is also true, since

$\displaystyle \int_{-\infty}^\infty f(x) \, dx = \int_0^\infty xe^{-x} \, dx = 1$

which can be computed by parts.

3 0

1 year ago

QUICKKKK!!!!

Sedbober [7]

Answer:

a) >
b) >
c) <
d) >

Step-by-step explanation:

a) -3 is closer to 0 so it is larger
b) A positive number is always larger than a negative
c) A positive number is always larger than a negative
d) -234 is 1 larger than -235 which makes it larger

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2 years ago

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HELP ASAP RN PLEASE!! 200 people got an email 37 people clicked on it how do you get 18.5%

son4ous [18]

Answer:

37/200

Step-by-step explanation:

Event/Sample Space = .185 = 18.5%

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3 years ago

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