What is the volume of the pyramid? 11Two-thirds cm3 43Three-fourths cm3 58One-third cm3 87One-half cm3

Mathematics

2 answers:

Reptile [31]3 years ago

5 0

Answer:c

Step-by-step explanation:

Ludmilka [50]3 years ago

4 0

Answer: C. 58 1/3 cm∧3

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Anton leaves a cup of hot chocolate on the counter in his kitchen. Which graph is the best representation of the change in tempe

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Step-by-step explanation:

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3 years ago

Find the distance from the point to the given plane. (−8, 7, 6), x − 2y − 4z = 8

vlabodo [156]

The formula for the distance from a point (x, y, z) to the plane ax +by +cz +d = 0 is this:
.. distance = |ax +by +cz +d|/√(a^2 +b^2 +c^2)

For your point and plane, that is
.. distance = |-8 -2*7 -4*6 -8|/√(1^2 +2^2 +4^2)
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4 years ago

Triangle ABC has vertices at (-3, -1), (-1, 2) and (6, 1). What is the perimeter of triangle ABC, rounded to the nearest tenth?

Marta_Voda [28]

$Perimeter=19.9units$

Why?

We can find the perimeter of any triangle adding the length of its sides. Since we are given 3 points, we need to calculate the length of the three sides of the triangle, and then add them to know the perimeter of the triangle.

Let be the points:

A(-3,-1)

B(-1,2)

C(6,1)

<h3>- Distances</h3>

From A to B:

$d(A,B)=\sqrt{(-1-(-3))^{2}+(2-(-1)^{2}}\\\\d(A,B)=\sqrt{(2)^{2}+(3)^{2}}=\sqrt{4+9}=3.61units$