3 years ago

4 questions. Please help.

Mathematics

1 answer:

Vladimir [108]3 years ago

4 0

Dont u think their should be more points for 4 hard questions

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A cylinder and a cone have the same base and height. The cylinder can hold about 4,712 Centimeters cubed of sand. Jared says tha

klasskru [66]

Answer:

C. Jared is not correct because the cone and the cylinder have the same base and height so the cone holds 4,712/3≈1,571 centimeters cubed of sand.

Step-by-step explanation:

We have a cone and a cylinder with the same base and height.

We can express the volume of the cylinder as:

$V_{cyl}=\pi r^2H$

being r the radius and H the height.

The volume of the cone can be written as:

$V_{con}=\dfrac{\pi}{3}r^2H=\dfrac{V_{cyl}}{3}$

As they have the same base and height, we know that the volume of the cylinder is 3 times the volume of the cone.

If the volume of the cylinder is 4,712 cm^3, then the volume of the cone is:

$V_{con}=\dfrac{V_{cyl}}{3}=\dfrac{4,712}{3}\approx1571$

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3 years ago

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Write a number that means the same as (5×10,000) + (4×100) +(3×1)

pogonyaev

10,000x5=50,000
100x4=400
3x1=3

Total = 50,403

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3 years ago

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Simplify. Assume that no denominator is equal to zero.

valentinak56 [21]

Answer:

22n⁸p² / m⁶

Step-by-step explanation:

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What is the right answer

sdas [7]

Answer:

its the second option

Step-by-step explanation:

picking the value of x and fixing it in the equation gives the y value

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2 years ago

Kenya bought 28 beads and nancy bought 25 beads. It takes 35 beads to make a necklace. Write and solve two addition equations to

JulijaS [17]

Kenya: 28+7=35. She will need 7 more beads.

Nancy: 25+10=35. She will need 10 more beads.

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4 years ago