3 years ago

Which relation is a function?

Mathematics

2 answers:

Lady_Fox [76]3 years ago

7 0

The answer is c because it’s the only option with all differing x values

irakobra [83]3 years ago

3 0

Answer:

Step-by-step explanation:

because all the x values in c are different

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You deposit $50 in your savings account. One week later, you withdraw $20. Write each amount as an integer

Sloan [31]

Deposit mean add 50, then withdraw means taking out 20, you do subtraction: $50-$20=$30

4 0

3 years ago

I need help I been stuck on this assignment for 2 weeks because of that question.

mel-nik [20]

Answer:

A. $-2\sqrt{2\pi }$

Step-by-step explanation:

$f(x)=sin(x^{2}+\pi )$

$f^{'}(x)=cos(x^{2} +\pi ) 2x$

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$f^{'} (\sqrt{2\pi } )=-1 (2\sqrt{2\pi } )$

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3 years ago

Multiply. Write your answer as a fraction in simplest form. 5/2*3/10

kherson [118]

(5/2)(3/10)=(5*3)/(2*10)=15/20=3/4

Or

(5/2)(3/10)= (5)(1/2)(3)(1/10)=(5)(3)(1/2)(1/10) =(5*3)/(2*10)=15/20=3/4

Or

(5/2)(3/10)=(5)(0.5)(3)(0.1)=(2.5)(3)(0.1)=(7.5)(0.1)=.75=3/4

All of these work, but the first one is simplest

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3 years ago

Which of the following are square roots of the number below 529?

exis [7]

-10
-(100) ^1/2
100 ^1/2

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3 years ago

Height of 10th grade boys is normally distributed with a mean of 63.5 in. and a standard deviation of 2.9 in . The area greater

lisov135 [29]

Answer:

Step-by-step explanation:

Use a calculator with probability distribution functions built-in:

normalcdf(70, 10000,63.5,2.9) = 0.013 (a little over 1%)

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