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yan [13]
3 years ago
8

A hemispherical tank is filled with water and has a diameter of 19 feet. If water

Mathematics
2 answers:
pogonyaev3 years ago
6 0

We know that the volume of a sphere is:

V

=

4

3

π

r

3

where

r

=

10

2

=

5

ft

is the radius;

we need half of this, so we use:

V

2

=

2

3

π

r

3

=

261.8

ft

3

giving a total weight of water of:

W

=

261.8

⋅

62.4

=

16

,

336

pounds

Dominik [7]3 years ago
6 0

Answer:​

=112051 lbs

Step-by-step explanation:

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Which point is located at 5_2​
alexdok [17]

Hey there!

Point D is located at point (5, -2)

In coordinates, the first number represents the x-coordinate, and the second number represents the y-coordinate. (TIP: YOU MUST START AT THE ORIGIN, OR (0, 0). In the x-coordinate, you go left/right that number of spaces, left for negative and right for positive. For the y-coordinate, you go up/down that number of spaces, down for negative and up for positive. This means that the point (5, -2) is 5 units right and 2 units down, which lands on point D.

Hope it helps and have an amazing day!

4 0
3 years ago
Divide 63 apples into two groups so the ratio is 2 to 1
GalinKa [24]
1) 2x+1x= 63
2) 3x= 63
3) 3x/3= 63/3
4) x= 21
5) 2(21)+1(21)=63
6) 42+21= 63
The 2 groups would be 42 to 21.
3 0
3 years ago
The product of 6 and x is less than or equal to -37
Novay_Z [31]

Answer:

Step-by-step explanation:

6x≤-37

x≤-37/6

x≤ -6 1/6

6 0
4 years ago
Which set of side lengths form a right triangle?
Annette [7]

Answer:

I think the answer is B.

5 0
3 years ago
Read 2 more answers
Find the sum of the A.P:8,-3,-2,-7,-12....up to n terms​
Ira Lisetskai [31]

Answer:

\frac{21n}{2} -\frac{5n^{2} }{2}

Step-by-step explanation:

  • given ap series : 8,3,-2,-7,-12....up to n terms​

[the second term should be +3 or else it wont form AP series]

first term in the series: 8

common difference : 3-8 = -5

total terms : n

  • the formula for sum of n terms in an ap = \frac{n}{2} [2a+(n-1)d]

a: first term

d: common difference

n : total terms

  • by substituting value in the above formula,
  • sum of the A.P: \frac{n}{2} [2(8)+(n-1)-5]

\frac{n}{2} [16+(n-1)(-5)]

\frac{n}{2} [16+(n-1)(-5)]

\frac{n}{2} [16+-5n+5]

\frac{n}{2} [21+-5n]

=\frac{21n}{2} -\frac{5n^{2} }{2}

6 0
4 years ago
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