3 years ago

Tickets for a community theater production cost $6

Mathematics

1 answer:

vaieri [72.5K]3 years ago

8 0

Answer:

The answer would be 10 tickets because 400 divided by 40 equals 10

Step-by-step explanation:

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A circular fish pond is shown below. What<br> is the circumference of the pond? The radius is 18.5cm

alisha [4.7K]

Answer:

about 116.18

Step-by-step explanation:

Circumference is 2PI*radius

So it should equal 37*3.14 which equals about 116.18

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2 years ago

Examine the rotation. Which best describes point D?

Nadusha1986 [10]

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3 years ago

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Let u = (1, 2 -2), v= (2, 1, 3) and w = j + 4k. a) Find cos theta, where theta is the angle in degrees between u and w.

vodka [1.7K]

Answer: The value of cos theta is -0.352.

Step-by-step explanation:

Since we have given that

$\vec{u}=1\hat{i}+2\hat{j}-2\hat{k}\and\\\\\vec{w}=\hat{j}+4\hat{k}$

We need to find the cos theta between u and w.

As we know the formula for angle between two vectors.

$\cos\ \theta=\dfrac{\vec{u}.\vec{w}}{\mid u\mid \mid w\mid}$

So, it becomes,

$\cos \theta=\dfrac{2-8}{\sqrt{1^2+2^2+(-2)^2}\sqrt{1^2+4^2}}\\\\\cos \theta=\dfrac{-6}{\sqrt{17}\sqrt{17}}=\dfrac{-6}{17}=-0.352\\\\\theta=\cos^{-1}(\dfrac{-6}{17})=110.66^\circ$

Hence, the value of cos theta is -0.352.

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3 years ago

The volume of a sphere can be calculated by V = 4/3 * pi If the volume is 113.04 cm ^ 3 what is the radius?

lisov135 [29]

Answer:

2.99 cm

Step-by-step explanation:

V= $\frac{4}{3}$ (pi)(r^3)=113.04cm^3

113.04/ $\frac{4}{3}$ (pi) = r^3 = 26.99

r= $\sqrt[3]{26.99}$ = 2.99cm

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3 years ago

Evaluate 0.3y+ y/z when y= 10 and z=5

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Answer: answer is 5

Step-by-step explanation:see attachment

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4 years ago