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BartSMP [9]
4 years ago
10

NEED ANSWERED ASAP!!

Mathematics
2 answers:
kenny6666 [7]4 years ago
8 0
The correct one is option 1.sphere
Sauron [17]4 years ago
4 0

Answer:

2nd , 4th and 5th option are correct that is Cube, Triangular prism and Square pyramid can not be 3-Dimensional Figure.

Step-by-step explanation:

Given: A 3-Dimensional Figure.

           A circular cross sectional plane is obtained when a plan horizontally intersect with the 3-Dimensional Solid figure.

To find: From given Solid figures which can to be our required figure.

Since we get a circular cross sectional plane figure. which means Surface on the side of the 3-Dimensional figure must be curved.

So, from given options Only sphere and cone has curved surface in sides.

Therefore, 2nd , 4th and 5th option are correct that is Cube, Triangular prism and Square pyramid can not be 3-Dimensional Figure.

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What is the approximate volume of a cylinder with a radius of 3ft and height of 4ft use 3.14 to approximate pi
ikadub [295]
Answer: 
113 ft^{2}

Explanation: 
The formula for volume of a cylinder is πr^{2}h 
Fill in with your values: 
π = 3.14 
r = 3 
h = 4 
3.143^{2}4 = 3.14(9)4 = 3.14(36) = 113.04  
Round down to 113 ft^{2}
8 0
3 years ago
Y=-x^2-4x+23 and 2x+y=15 what is the solution
Verizon [17]
This is a system of equations, meaning you find the value of one variable and substitute it into the other equation
if y=-x^2-4x+23 we can put that into the second equation for y
This gives us 2x+(-x^2-4x+23)=15
Lets simplify this and set it equal to 0 by moving the 15 over
-x^2-2x+8=0
This gets us x=-4, 2
Lets try plugging both those back into our first equation and see what value of y we get
y=-(-4^2)-4(-4)+23; y=23
y=-(2^2)-4(2)+23; y=11
So you get two sets of solutions
(-4,23) and (2,11)

4 0
3 years ago
Evaluate 6y + x9<br> When x = -5, y = -4
enyata [817]

Answer:

-69

Step-by-step explanation:

6(-4) + (-5)9

= -69

6 0
3 years ago
Read 2 more answers
Simplify fully 4x-8x^2/12x-6
Lerok [7]

Answer:

4x+\frac{-2x^{3}}{3}-6

Step-by-step explanation:

5 0
3 years ago
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in a multiplication problem, if the first factor has 5 digits after the decimal and the second factor has 4 digits after the dec
STatiana [176]
9 digits after the decimal because 5+4=9
4 0
4 years ago
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