What is the surface area of this design ?

Mathematics

2 answers:

love history [14]3 years ago

8 0

Answer:

440

Step-by-step explanation:

I'm not the best at explaining drawings so hopefully a plain answer will still be helpful .w.

posledela3 years ago

3 0

Answer:

tbh idk know the answer

Step-by-step explanation:

bc i didnt do it

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Solve and round the answer to the nearest hundredths plz helpppp

Kaylis [27]

Answer:

696.91

Step-by-step explanation:

$V = \frac{4}{3} *\pi *r^3\\= \frac{4}{3}*\pi *5.5^3\\= \frac{4}{3}*\pi *166.375\\=696.9099703\\$

≈ 696.91

7 0

3 years ago

Charity is four times as old as her daughter. She is also six years younger than her husband. The sum of their ages ten years to

zubka84 [21]

Answer: Charity is 36 years old today.

Step-by-step explanation:

Let x = Present age of daughter.

Age of Charity = 4x

Age of her husband = 4x+6

After 10 years,

Age of daughter = x+10

Age of Charity = 4x+10

Age of her husband = 4x+6+10=4x+16

As per given,

$x+10+4x+10+4x+16=117$

$9x+36=117\\\\ 9x=117-36\\\\ 9x=81\\\\ x=9$

Present age of Charity = 4(9)=36 years

Hence, Charity is 36 years old today.

4 0

2 years ago

Weights of the vegetables in a field are normally distributed. From a sample Carl Cornfield determines the mean weight of a box

pantera1 [17]

To find the z-score for a weight of 196 oz., use

$z=\frac{x-\mu}{\sigma}=\frac{196-180}{8}=\frac{16}{8}=2$

A table for the cumulative distribution function for the normal distribution (see picture) gives the area 0.9772 BELOW the z-score z = 2. Carl is wondering about the percentage of boxes with weights ABOVE z = 2. The total area under the normal curve is 1, so subtract .9772 from 1.0000.

1.0000 - .9772 = 0.0228, so about 2.3% of the boxes will weigh more than 196 oz.