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ladessa [460]
3 years ago
5

What is the volume of a rectangular crate that has dimensions 8 inches by 8 inches by 1 1/4 feet? 80 in.3 1,024 in.3 960 in.3 31

in.
Mathematics
1 answer:
snow_tiger [21]3 years ago
7 0

in plain and short, is just their product.

now, let's convert the mixed fractions to "improper" firstly, and then multiply.

\bf \stackrel{mixed}{1\frac{1}{4}}\implies \cfrac{1\cdot 4+1}{4}\implies \stackrel{improper}{\cfrac{5}{4}} \\\\\\ 8\cdot 8\cdot \cfrac{5}{4}\implies \cfrac{8\cdot 8\cdot 5}{4}\implies \cfrac{320}{4}\implies 80

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What value of x satisfies
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Answer:

See explanation

Step-by-step explanation:

The given trigonometric equation is cos(90-x)=-\frac{\sqrt{3} }{3}.

We take the inverse cosine of both sides to get:

90-x=cos^{-1}(-\frac{\sqrt{3} }{3})

90-x=125

x=125-90

x=-35\degree=325\degree to the nearest degree

None of the options satisfies the given equation.

But if the question is actually;

cos(90-x)=-\frac{\sqrt{3} }{2}

Then;

90-x=\cos^{-1}(-\frac{\sqrt{3} }{2}).

90-x=210.

90-x=210.

x=-120\degree.

Or

x=360-120=240\degree.

In this case the answer will be B

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tigry1 [53]

Answer:

3n + 2

Step-by-step explanation:

-n+(-4)-(-4n)+6

= -n -4 +4n +6        [positive plus negative =  negative; ∴  +(-4) = -4

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now subtract n from 4n and subtract 4 from 6

=3n + 2

                                                                                                       

                             

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Say he mows 1 lawn every day, per week. He'd spend a total of $10.50 on gas and $7 for an advertisement for that week. Which would equal his total profit being $52.50 per week is his business.
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2 is the slope of 2x-3

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