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Kitty [74]
2 years ago
11

Helppp

Mathematics
1 answer:
Sphinxa [80]2 years ago
3 0

Answer:

261.8

Step-by-step explanation:

pi x 5 squared x 10/3 = 261.8 for a cone

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In the figure, angle D measures 45° and angle E measures 87°. What is the measurement of angle H?
scZoUnD [109]
Hat means y + z = 180. 

<span>y is thrice than z means y = 3 * z. </span>

<span>replace y with 3 * z in the equation of y + z = 180 to get 3 * z + z = 180. </span>

<span>combine like terms to get 4 * z = 180. </span>

<span>solve for z to get z = 180 / 4 = 45 degrees. </span>

<span>since y = 3 * z, then y = 3 * 45 = 135 degrees. </span>

y = 135
<span>z = 45 </span>

y + z = 180 becomes 135 + 45 = 180
<span>y = 3 * z = 135 = 3 *45 </span>

<span>solution is confirmed to be good.</span>
3 0
3 years ago
Read 2 more answers
Pleaseee help geometry
Ad libitum [116K]

Answer:

v = 9

Step-by-step explanation:

50 = 6v - 4

50 + 4 = 6v

54 = 6v

6v/6 = 54/6

v = 9

7 0
2 years ago
Read 2 more answers
A few probability questions. Quickly please :) I have tried to do them but seem to be unable to figure these 2 out.
Zepler [3.9K]
1.choosing a red marble since the probability would be 7/12 but the blue would be 5/12 so red is most possible
2.the possibility of a red being chosen is 2/20=1/10
4 0
3 years ago
Assume that the heights of women are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. If
vesna_86 [32]

Answer:

<h2>The probability is 58 %.</h2>

Step-by-step explanation:

This problem belong to a normal distribution probability.

Mean = 63.6

Standard Deviation = 2.5.

We have to find the probability of a height greater than 63.0.

Due to the normal probability, we need to find the Z score first:

Z=\frac{x-u}{o}; where x is the height, u is the mean, and o is the standard deviation.

Z=\frac{63-63.6}{2.5} \\Z= -0.24

Once we have our Z score, we find the probability with the z-table (attached). So, for a z score of -0.24 we have a probability of 0.42.

But, the problem is asking for height greater than 63.0, this mean that we have to subtract 0.42 from 1, giving as result 0.58, which means a 58% of probability,

6 0
3 years ago
A toy remote control jeep is 12 1/2 inches wide while an actual jeep is pictured to be 18 3/4 feet wide. What is the value of th
barxatty [35]
1 foot = 12 inches
12 1/2 or 12.5 inches
18 and 3/4 or 18.75 X 12= 225
The ratio is 12.5:225 or to simplify 1:18.
8 0
3 years ago
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