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Zielflug [23.3K]
2 years ago
14

2-2 asigment álgebra 1

Mathematics
1 answer:
Rainbow [258]2 years ago
7 0

Answer:

2-2=0 because they cancel each other out

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if triangle ABC is an isosceles triangle and triangle DBE is an equilateral triangle, find each missing measure
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3 years ago
Answer this question please and thank you
Fiesta28 [93]

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7/8 to the 7th power

Step-by-step explanation:

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Use the Angle Addition Postulate to find the measure of the unknown angle.
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This is ur answer....

<h2><em>60 + 120 = 180</em></h2>

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2 years ago
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

5 0
3 years ago
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Hoochie [10]

9/24=3/8=0.375

42/45=14/15=0.933

84/18=14/3=4.666

6 0
3 years ago
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