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3 years ago

Are two planes perpendicular to a third plane parallel to each other?

Mathematics

1 answer:

Setler [38]3 years ago

7 0

Answer:

No.

Step-by-step explanation:

Of course not. Place a hardback book standing up on your desktop and open the two hard covers to some arbitrary angle. The planes of the covers are each perpendicular to the desk top, but not parallel to each other (or necessarily perpendicular to each other).

hope it helps

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If f(x) = 3x + 2 and g(x) = x^2 + 1, which expression is equivalent to (f . g)(x)?

makvit [3.9K]

Answer:

Step-by-step explanation:

for this function you have to replace the function of g(x) where there's x in the function f(x) that's what the expression f.g(x) means and so this is going to be

3(x²+1)+2

I hope this helps

5 0

3 years ago

How long will it take 5000 to double in an account that pays 5.6% simple interest

Ganezh [65]

So... doubling 5000 is just 10,000, thus

$\bf \qquad \textit{Simple Interest Earned Amount}\\\\
A=P(1+rt)\qquad 
\begin{cases}
A=\textit{accumulated amount}\to &\$10,000\\
P=\textit{original amount deposited}\to& \$5,000\\
r=rate\to 5.6\%\to \frac{5.6}{100}\to &0.056\\
t=years
\end{cases}
\\\\\\
10000=5000(1+0.056t)\implies \cfrac{10000}{5000}=1+0.056t
\\\\\\
2=1+0.056t\implies 1=0.056t\implies \cfrac{1}{0.056}=t$

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4 years ago

Please answer ASAP. Due in 5 minutes!!

Goryan [66]

Answer:

Step-by-step explanation:

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3 years ago

Which one should I choose

Nostrana [21]

Answer:

its the last one

Step-by-step explanation:

the sign flips when you divide by a negative

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3 years ago

Read 2 more answers

Solve for x using cross multiplication. 2x + 2 = x-4 11 6 x = [?] Enter

kow [346]

you would cross multiply meaning 6(2x+2)=11(x-4) Then you distribute 6 so it would be 12x+12=11x-44 then you have to move the constant and the variable so 12x-11x= -44-12 so then the answer would be x = -56

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3 years ago