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GaryK [48]
3 years ago
10

Iron makes up 4.5% of the Earth's crust. Which is another way to write 4.5% of a value?

Mathematics
1 answer:
Afina-wow [57]3 years ago
3 0

Answer:

0.045 or 9/2

Step-by-step explanation:

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What is 3.75 multiplied 2.6
Ivanshal [37]

Answer:

The answer to that is 9.75

Step-by-step explanation:

Hope this helps! Good luck

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In figure if AB is parrallel to CD,
lara31 [8.8K]

Answer:

Yes

Step-by-step explanation:

They are parallel lines basically, ingnore the measurements and the traingle, they were put there to confuse you.

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What is the volume of this cone?
olchik [2.2K]

Answer:

The volume of the cone is approximately 453.0 cm³

Step-by-step explanation:

The volume of a cone is one third that of a cylinder with the same height and radius.  That gives us  1/3 πr²h, where r is radius and h is height.

However, we are not given the height of the cone, but the side length.  We can work out the height using the Pythagorean theorem, as we have a right triangle with the height, base radius, and length.  You may recall that the Pythagorean theorem states that the square of the hypotenuse of a right triangle is equal to the sum of the squares of it's other two sides:

a^2 = b^2 + c^2

So we can find the height of the cone with that:

10.8^2 = 7.4^2 + h^2\\h^2 = 10.8^2 - 7.4^2\\h^2 = 116.64 - 54.76\\h^2 = 61.88\\h = \sqrt{61.88}\\h \approx  7.9

Now that we have the cone's height, we can solve for its volume:

v = \frac{1}{3} \pi r^2 h\\v = \frac{1}{3} \pi \times 7.4^2  \times 7.9\\v = \frac{1}{3} \pi \times 54.76 \times 7.9\\v = \frac{1}{3} \pi \times 432.6\\v = \pi \times 144.2\\v \approx 453.0 cm^3

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It’s 87100000 Have Ah Good Day.
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A recipe calls for 9 tablespoons of milk for every 21 cups of flour. If the chef puts in 168 cups of flour how many tablespoons
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There are 8 sets of 21 cups in 168 cups so 9 times 8 is 72
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