2 years ago

What is the volume of a solid if the height is 4in and the base is 18 inches squared

Mathematics

1 answer:

zubka84 [21]2 years ago

4 0

4in x 18in^2= 72 inches cubed

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Which expression below gives the average rate of change of the function h(x)=4^(x+2)+7 on the interval –3 ≤ x ≤ 5?

viktelen [127]

Answer:

$\frac{4^8-1}{32}$

Step-by-step explanation:

$h(x)=4^{(x+2)} +7$

We know that formula for average rate of change of a function from a to b is

$\frac{f(b)-f(a)}{b-a}$

Here f equals h and a =-3 b=5

h(a) = $4^{5+2} +7 = 4^7+7$

and

h(b) = $4^{-3+2} +7 = \frac{1}{4} +7$

h(b)-h(a) = $4^7-\frac{1}{4} =\frac{4^8-1}{4}$

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Hence average rate of change is

$\frac{4^8-1}{4}(\frac{1}{8} )=\frac{4^8-1}{32}$

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Answer:

Step-by-step explanation:

Price after the socks is marked up = $40 + $5 = $45

If the sock is discounted by 40%, the price of the socks would be 60% of the original price

0.6 x $45 = 27

The discounted price is $27

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3 years ago

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xxMikexx [17]

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2 years ago

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astraxan [27]

Answer:

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Step-by-step explanation:

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A dress shop bought material for £4.65 a metre and sold it for £6.90 a metre. How much

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Answer:

£67.50

Step-by-step explanation:

On each metre of material, the shop makes a profit of ...

£6.90 -4.65 = £2.25

So, for 30 metres, the profit will total ...

30 × £2.25 = £67.50

A profit of £67.50 would be made on a 30-metre roll of material.

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3 years ago