Help? very easy just volume

Mathematics

1 answer:

musickatia [10]3 years ago

8 0

Answer:

1920 cubic centimeters

Step-by-step explanation:

FIGURE A:

8 * 10 * 14 = 1120

FIGURE B:

8 * 10 * 10 = 800

So 1120 + 800 = 1920 cubic centimeters!

dat da answer

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For a school play, the ninth graders sold 220 adult tickets and 100 children tickets. They collected

Schach [20]

Answer:

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2 years ago

3 parts: List the ratios for using angle A as the angle of reference reduce when necessary

dezoksy [38]

Answer:

$\sin{A}=21/29\\\cos{A}=20/29\\\tan{A}=21/20$

Step-by-step explanation:

The sine of an angle in a right triangle is the ratio of the side across from the angle with the hypotenuse of the triangle (the hypotenuse is the side across from the right angle). In this case, the sine of angle A, shortened to $\sin{A}$ , is $21/29$ .

Cosine is short for "complementary sine." If the angles A + C = 90, the cosine of A is equal to the sine of C, since A and C are complementary. So $\cos{A}=\sin{C}=20/29$ . Notice that this ratio is the same as the ratio of the side adjacent to angle A (AB), to the hypotenuse.

The tangent is the ratio of the side opposite an angle to the side adjacent to it. Here, $\tan{A}=21/20$ . So, our trig ratios for this angle are

$\sin{A}=21/29\\\cos{A}=20/29\\\tan{A}=21/20$

7 0

3 years ago

The equation of a circle is x^2 + (y - 10)^2 = 16. What is the radius and center?

gizmo_the_mogwai [7]

Answer:

Center = (0, -10)

Radius = 4 units

Step-by-step explanation:

$x^2 + (y - 10)^2 = 16\\(x-0)^2 + (y - 10)^2 = 4^2\\Equating\: it \: with\: \\(x-h)^2 + (y - k)^2 = r^2\\We\: find:\\-h = 0\implies h = 0\\-k = -10\implies k = 10\\Center = (-h,\:-k) \\Center = (0,\:-10) \\r^2 = 4^2\implies r = 4\\Radius = 4\:units$