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andrey2020 [161]

2 years ago

7

I just don’t feel like doing the work.... wanna help?

2 answers:

nata0808 [166]2 years ago

6 0

38% GOOD LUCK ya ya sus

lisov135 [29]2 years ago

6 0

The answer is 38% goodluck

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What does x and y =??????

Kazeer [188]

Answer:

x=30. y=60

Step-by-step explanation:

DG is a straight segment so it sums to 180 degrees. ECG is a right angle so 90 degrees. The rest is described as 2x and x. So 3x=90 degrees. x=30. Eh is also a straight segment. since we know x, we know that ECD is 60 degrees. So y+y=120 degrees. 2y=120. y=60.

6 0

2 years ago

Rusty's hair grows at the rate of 1/4 inch per month.

Sunny_sXe [5.5K]

All i got was 1 and a half months

7 0

2 years ago

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What is the range of this data set? 64º, 72º, 74º, 68º, 70º, 68º, 68º, 75º and 44º

Lina20 [59]

Answer:

The range is found by subtracting the lowest number (44) from the highest number (75). 75-44=31 So your range is 31

Step-by-step explanation:

4 0

2 years ago

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Which of these values represents the longest period of time?

laiz [17]

The answer is D. 6 days

A. 60 hours is 3600 minutes
B. 60,000 milliseconds is 0.016 minutes
C. 6,000 minutes
D. 6 days is 8640 minutes

8 0

2 years ago

Among all right circular cones with a slant height of 24, what are the dimensions (radius and height) that maximize the volum

aleksklad [387]

Answer:

5571.99

Step-by-step explanation:

We need to use the Pythagorean theorem to solve the problem.

The theorem indicates that,

$r^2+h^2=24^2 \\r^2+h^2=576\\r^2=576-h^2$

Once this is defined, we proceed to define the volume of a cone,

$v=\frac{1}{3}\pi r^2 h$

Substituting,

$v=\frac{1}{3} \pi (576-h^2)h\\v=\frac{1}{3} \pi (576h-h^3)$

We need to find the maximum height, so we proceed to calculate h, by means of its derivative and equalizing 0,

$\frac{dv}{dh} = \frac{1}{3} \pi (576-3h^2)$

$\frac{dv}{dh} = 0$ then $\rightarrow \frac{1}{3}\pi(576-3h^2)=0$

$h_1=-8\sqrt{3}\\h_2=8\sqrt{3}$

<em>We select the positiv value.</em>

We have then,

$r^2 = 576-(8\sqrt3)^2 = 384\\r=\sqrt{384}$

We can now calculate the maximum volume,

$V_{max}= \frac{1}{3}\pi r^2 h = \frac{1}{3}\pi (\sqrt{384})^2 (8\sqrt{3}) = 5571.99$

4 0

2 years ago