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Vikki [24]
4 years ago
7

~please help, thank you~

Mathematics
2 answers:
solong [7]4 years ago
6 0
The volume of  a pyramid with hight and base is 1/3 the volume of a rectangleular prisim with the same height and base

also the volume of  a cone is 1/3 the volume of a cylinder with same height and base so
just fun facts to know (helpful)


so volume of cylinder=1/3 times height tiimes pi times radius^2
subsitute
use pi=3.14
height=12
radius=6
volume=1/3 times 12 times 3.14 times 6^2
volume=4 times 3.14 times 36
volume=452.16 cubic meters
the naswer is the top left choice
ladessa [460]4 years ago
5 0
Volume=pi*(radius^2)*(height of cone/3) so in this case Volume= pi*6^2*(12/3). Simplify pi*36*4. Simplify again and you get Volume=452.16 cubic meters.
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Huilan is 6 years younger than Thomas. The sum of their ages is 58. What is Thomas's age?
Vikki [24]

Answer:

32

Step-by-step explanation:

I will note Huilan as H and i will note Thomas as T

T = H + 6

T + H = 58

H+H+6 =58

2H = 58-6

2H = 52

H = 52/2

H = 26

T = H+6

T = 26+6

T = 32

3 0
3 years ago
A Jewellery shop sells 240 necklaces in a month. 180 of the necklaces were sold via the shop's website, the rest were sold in a
antoniya [11.8K]

Answer:

Ratio of online sales to shop sales = 3 : 1

Step-by-step explanation:

Total necklace sold in a month = 240

Necklace sold via shop's website = 180

the rest were sold in a high street shop.

Necklace sold via high street shop = Total necklace sold in a month - Necklace sold via shop's website

= 240 - 180

= 60

Necklace sold via high street shop = 60

Ratio of online sales to shop sales

Necklace sold via shop's website : Necklace sold via high street shop = 180 : 60

= 180 / 60

= 3 / 1

= 3 : 1

Ratio of online sales to shop sales = 3 : 1

3 0
3 years ago
Need help finding what y is 4x+y=10
nikklg [1K]
Subtract 4x from both sides to get y=-4x+10
3 0
3 years ago
9x-7i > 3(3x-7u) solve for i
-BARSIC- [3]

Answer:

i < 3u

Step-by-step explanation:

9x-7i> 3(3x-7u)

to solve for i, first simplify the problem on the right side of the equation.

9x-7i > 9x - 21u

make i the subject by subtracting 9x from both sides of the equation

9x-9x-7i> 9x-9x -21u

add like terms

-7i > -21u

divide both sides of the equation by -7

-7i/-7> -21u/-7

divide and change the sign

i < 3u

8 0
4 years ago
1.Relection over the y- axis
mart [117]

Answer:

1.

rule={-x,y}

G'={-3,-3}

H'={5,-1}

J'={4,-3}

K'={-2,2}

2.

rule={x,-y}

A'={-4,-12}

B'={0,-10

C'={6,2}

4.=?

5.=?

Step-by-step explanation:

7 0
3 years ago
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