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Blizzard [7]
3 years ago
12

I neeed help thanksssss

Mathematics
2 answers:
dusya [7]3 years ago
3 0

Answer:

Volume: 366.6

Surface Area: 314.2

Explanation (look at below)

Step-by-step explanation:

Volume:

The radius of this sphere is 5 (half of 10). The equation will be \frac{4}{3} \pi5^3

When you calculate that, it will become: 366.6<-- rounded to the nearest tenth.

Surface Area:

4\pi5^2

=100Π

=314.2<-- rounded to the nearest tenth.

Aleksandr [31]3 years ago
3 0

314.2 is the nearest tenth digit no.

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Can someone please help me
Lilit [14]

Answer:

9.2

Step-by-step explanation:

Use law of sines

a/sinA = b/sinB

5/sin 31 = b/sin 108

b=9.2

8 0
3 years ago
Read 2 more answers
Mr. Davis bought 2 chairs during the sale. The regular price of each chair was $168. What was the total price, in dollars, for b
S_A_V [24]

Answer:

tatol price= $335.16

Step-by-step explanation:

regular price for one item= $168

sale=1/2 %

168 × 0.5/100 = 0.84 (discount)

price of discounted chair= 168-0.86

                                         = 167.16

168+167.16 = $335.16

8 0
3 years ago
Is y = 3x+4 and y=3x-5 parallel, perpendicular or neither?
sineoko [7]

Answer: These Lines are <em>Parallel</em>

Step-by-step explanation: For two lines to be parallel, they must have the same slope with different y-intercepts. Both of the lines above have a slope of 3 and differing y-intercepts of 4 and -5. Therefore, these lines must be parallel to one another.

7 0
2 years ago
Read 2 more answers
The weekly salaries (in dollars) for
kompoz [17]

Answer:

a) Median stays the same

b) Mean is decreased by $9

Step-by-step explanation:

The median is the number or the average of the two numbers that is in the middle of a sorted distribution of numbers,

Here the median number will be the 5th number counting from left or right from the sorted list of numbers. Therefor is is 891.

When 1027 is changed to 946 it will fall between 938 and 1002. So updated sorted list of numbers will now look like,

679, 715, 799, 844, 891, 917, 938, 946, 1002

Here also median will be the 5th number which will be equal to 891.

Therefore, , median will not change.

Mean is the value we get by taking the total value of the salaries and divide it by the number of employees.

In the initial case,

Mean =\frac{679+715+799+844+891+917+938+1002+1027}{9} =868

When the salary is changed from $1027 to $946,

Mean=\frac{679+715+799+844+891+917+938+1002+946}{9} =859

Therefor we can see that Mean has decreased by $9.


8 0
3 years ago
QUESTION IN PICTURE
Rashid [163]

Answer:

3 6/5

Step-by-step explanation:

the fraction is its kinda blurry

4 0
3 years ago
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