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kirill115 [55]
3 years ago
10

A man looking at a photograph says brothers and sisters I have none but that man’s father is my father son who is in the photogr

aph
Mathematics
1 answer:
Ainat [17]3 years ago
6 0
The father say to his son, that’s his father in the photograph.
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Based on the equation below. What is<br> the value of 3a + 1<br> -4a - 1 = -21
hammer [34]

Answer:

a = -21

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
HELP FAST LAST QUESTION ON TEST!!! The front lawn of NPHS has a roped off area of 2x? - 11x + 15. What are the
nexus9112 [7]

Answer:the area is = the length*the width

2x^2-11x+15= (2x-5)* the width

you have to divide 2x^2 - 11 x + 15 at 2x-5

2x^2-11x+15   |  2x-5

-2x*2+5x                 x-3

-------------

/       -6x+15

       +6x-15

-----------------

         /   /

the answer is X-3

Step-by-step explanation:

6 0
2 years ago
Please help i dont understand this problem
DaniilM [7]

y=x+5

Step-by-step explanation:

The opposite of y is x axis

7 0
2 years ago
Someone help please?
Paladinen [302]

Answer:21.9FM

Step-by-step explanation:

8 0
2 years ago
. Ms. Johnson, a circus ringleader, made a cake in the shape of a circus tent to use as the centerpiece at a celebration. As sho
Effectus [21]
The formula for the volume of a cylinder is V=πr²h.  Substituting the information we have, we get 1470=(3.14)(6²)<span>h
</span>1470=113.04h
Divide both sides by 113.04:
1470/113.04 = 113.04h/113.04
13 ≈ h
The height of the cylinder is 13 inches.  We know that the height of the cone is 1/2 the height of the cylinder; 1/2(13) = 6.5 inches.  The formula for the volume of a cone is:
V=1/3πr²h
The cone and the cylinder have the same radius, and we now know that the height of the cone is 6.5.  Substituting this information in we have:
V=1/3(3.14)(6²)(6.5) = 244.92 in³
The total volume of the cake would be the volume of the cylinder added to the volume of the cone:
1470+244.92 = 1714.92 in³.

The formula for the volume of a sphere, for the ball cake, is 
<em /><em>V</em>=4/3πr³.  Using the radius of 3 we have:
<span><em>V</em>=4/3(3.14)(3</span>³)=113.04 for the volume of the circus ball cake.
The formula for the area of the cone-shaped hat cake is <em>V</em>=1/3π<em>r</em>²<em>h</em>.  We want it to have the same volume as the circus ball cake, and we know the radius is still 3:
<em />113.04=1/3(3.14)(3²)<em>h</em>
This simplifies to
113.04=9.42<em>h</em>
Divide both sides by 9.42:
113.04/9.42 = 9.42<em>h</em>/9.42
The hat cake would have to have a height of 12 inches to have the same volume.
6 0
3 years ago
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