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3 years ago

The table below shows the number of barrels of oil produced per day by some countries.

Mathematics

1 answer:

gogolik [260]3 years ago

5 0

Answer:

Simple,the answer would be 93200

Step-by-step explanation:

You move your decimal point backwards by the power e.g 10^6 u move backwards 6 times

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What is the probability you would spin a number less than 10 and then a number in green?

Nuetrik [128]

Answer:

less than 10 = 37.5 % green = 25%

Step-by-step explanation:

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3 years ago

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Cot (15 degrees)

STatiana [176]

Answer:

Part I: cot(15 degrees) = cot(45 - 30)

Part II: Evaluation is below

Step-by-step explanation:

<em>Everything is done in degrees</em>

<em />

Two angles that differ by 15 degrees that is easy to evaluate is 30 degrees and 45 degrees. The cot(15 degrees) = cot(45 - 30) = 1/tan(45-30) = (1+tan45tan30)/(tan30 - tan45) = (1+ sqrt(3))/(sqrt(3) - 1)

We rationalize this by multiplying 1+ sqrt(3) in the top and bottom, getting:

(4 + 2sqrt(3))/2 = 2 + sqrt(3)

I hope this helps! :)

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3 years ago

Which is a true statement about any two congruent chords in a circle? A.They are parallel. B.They are perpendicular. C.They form

Tom [10]

Its D. they are equidistant from the center of the circle , just took the test and that was the answer on apex

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3 years ago

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£2500 is invested at 3.6% compound interest per annum.

kirill115 [55]

Answer:

its going to be 20 years

Step-by-step explanation:

1.036

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3 years ago

Your friend's swimming pool is in the shape of a rectangular prism, with a length of 25 feet, a width of 8 feet, and a height of

RUDIKE [14]

Answer:

Part a) $V=1,000\ ft^{3}$

Part b) $h=5\ ft$

Part c) $=718\ gal$

Step-by-step explanation:

Part a) What is the volume of your friend's swimming pool?

we know that

The volume of a rectangular prism is equal to

$V=LWH$

substitute the values

$V=(25)(8)(5)=1,000\ ft^{3}$

Part b) Your swimming pool is in the shape of a cylinder with a diameter of 16 feet and has the same volume as your friend's pool. What is the height of your pool?

we know that

The volume of a cylinder is equal to

$V=\pi r^{2} h$