3 years ago

Pick any number above 20 and do facts and History on it

Mathematics

1 answer:

a_sh-v [17]3 years ago

5 0

What can you attach an image?

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What is the surface area-to-volume ratio of the spherical barrel cactus

Butoxors [25]

I can't speak to the cactus specifically, but any sphere has a surface area of $4\pi r^2$ and a volume of $\frac{4}{3} \pi r^3$ , so the area-to-volume ratio wold be

$\frac{4\pi r^2}{ \frac{4}{3}\pi r^3 } = \frac{3(4\pi r^2)}{4(\pi r^3)}$

$= \frac{3\pi r^2}{\pi r^3}\\\\
= \frac{3}{r}$

Where r is the radius of the sphere.

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4 years ago

Two students share 3/4 of a pound of peanuts. How much of a pound does each person get

Verdich [7]

3/2 is the correct answer

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3 years ago

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Convert 13,000,000,000,000,000,000,000,000 to scientific notation.

jek_recluse [69]

Answer:

1.3 times 10 to the 25th power

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the

. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

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3 years ago

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Which binomial is a factor of the expression? Zoom in to see clearer :)

sweet [91]

Answer:

x + 3 is the factor of given expression !!!

Step-by-step explanation:

here's the solution in attachment.

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3 years ago

Suppose someone tells you that she has a triangle with sides having lengths 3.5, 4.5 and 5.5 yards. Is this a right triangle?

Katarina [22]

You can solve by using Pythagoras theorem.
Let the longest side be c.
a^2 + b^2 = c^2
If this holds, it is a right angle.

But, 3.5^2 + 4.5^2 is not equal to 5.5^2.

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3 years ago

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