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3 years ago

PLEASE HELP!!! ILL GIVE BRANLIEST EXTRA POINTS dont skip :((

Mathematics

2 answers:

givi [52]3 years ago

6 0

I believe the answer is A! If not I’m so sorry but I hope you pass!

ElenaW [278]3 years ago

5 0

The reason its D is because π is a irrational and its not a real number. Search it up. Hope i get brainliest!

hope this helped :)

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ight another one again report idc it doesnt work but whats better marvle if u dont know its iron man and hulk thor and stuff or

Over [174]

Answer:

marvel for sure

Step-by-step explanation:

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4 years ago

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HELP <br> Which equations have exactly one y-value for any given x-value? Select all that apply.

makvit [3.9K]

Answer:

I believe its A. y=-x C and D.

Please correct If I am wrong Please and thank you

Step-by-step explanation:

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3 years ago

Help i will vote brainliest answer

mestny [16]

I am not sure
but 90 per cent its option b

7 0

3 years ago

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If electricity costs 5 cents per kilowatt-hour, how much does it cost to run an 80-watt light bulb for 24 hours?96.0 cents 4.2 c

joja [24]

We are given the electricity cost as 5 cents per kilowatt-hour. We should notice that the cost is actually in the form of:

electrical cost = cost / (power * time)

Therefore to get a number which is in terms of cents alone (cost alone), therefore we should multiply the given electrical cost value with the power and time.

Power = 80 watt = 0.08 kilowatt

Time = 24 hours

Therefore the cost is calculated as:

cost = electrical cost * power * time

cost = [5 cents / (kilowatt hour)] (0.08 kilowatt) (24 hour)

cost = 9.6 cents

Answer:

<span>9.6 cents</span>

3 0

3 years ago

Please help me find out what the question marks are

quester [9]

Question a

g(x) times $\sqrt{x-5}=\sqrt{x^2-5}$
divide both sides by √(x-5)
$g(x)=\frac{\sqrt{x^2-5}}{\sqrt{x-5}}$
$g(x)=\frac{(\sqrt{x-5})(\sqrt{x^2-5})}{x-5}$
$g(x)=\frac{\sqrt{x^3-5x^2-5x+25}}{x-5}$

question b
$g(x) \space\ times \space\ 1+\frac{1}{x}=x$
divide both sides by 1+1/x
$g(x)=\frac{x}{1+\frac{1}{x}}$
times by x/x
$g(x)=\frac{x^2}{x+1}$

question c
$\frac{1}{x} \space\ times \space\ f(x)=x$
times both sides by x
$f(x)=x^2$

question d
the (f*g)(x) collumn seems to have a domain of only x is greater than or equal to 0?
so maybe we squared the whole thing, ya
wait
ah, ya
basically
$|x|=(\sqrt{x})^2=(\sqrt{x})(\sqrt{x})$
so f(x)=√x

a. $g(x)=\frac{\sqrt{x^3-5x^2-5x+25}}{x-5}$
b. $g(x)=\frac{x^2}{x+1}$
c. $f(x)=x^2$
d. $f(x)=\sqrt{x}$

3 0

4 years ago

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PLEASE HELP!!! ILL GIVE BRANLIEST *EXTRA POINTS* dont skip :((

PLEASE HELP!!! ILL GIVE BRANLIEST EXTRA POINTS dont skip :((