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3 years ago

First right BRAINLIEST pls:))

Mathematics

2 answers:

masya89 [10]3 years ago

4 0

Answer:

2000000

Step-by-step explanation:

kvasek [131]3 years ago

3 0

2000000

Hope this is right :D

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Factor 49x^2-36y^2 Show Work

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FUN QUESTIONS OF MATHETICS FOR BOREDISH PEOPLE: 3x3? 4x5? 8x9? 7x3?

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2 years ago

A cone-shaped pile of sawdust has a base diameter of 38 feet, and is 14 feet tall. Find the volume of the pile

Romashka-Z-Leto [24]

Answer:

Given: Diameter of cone = 38 feet and height of cone = 14 feet.

Volume of cone V with radius r is one-third the area of the base B times the height h.

i,e $V = \frac{1}{3} B \cdot h$ = $\frac{1}{3} \pi r^2h$ ......[1]

,where B = $\pi r^2$

First find the radius(r);

Using Diameter(D) = 2r

38 =2r

Divide both side by 2 we get;

$\frac{38}{2} =\frac{2r}{2}$

Simplify:

19 = r

or r =19 feet

Now, substitute the value of r = 19 feet and h = 14 feet in [1] [ Use value of $\pi = \frac{22}{7}$ ]

then, we have:

$V = \frac{1}{3} \pi r^2h = \frac{1}{3} \cdot \frac{22}{7} \cdot (19)^2 \cdot (14)$

V = $=\frac{1}{3}\cdot 22 \cdot 19 \cdot 19 \cdot 2 = \frac{22 \cdot 19 \cdot 19 \cdot 2}{3}$

V = $\frac{15884}{3} =5,294.66667$ ≈ 5,294.67 cubic feet.

therefore, the volume of pile is; ≈ 5,294.67 cubic feet.

4 0

3 years ago

Question 1

svetoff [14.1K]

Answer:

B.) 8x + 12

Step-by-step explanation:

Using the Distributive Property the 4 is multiplied by each number inside the parentheses

4*2x = 8x

4*3 = 12

8x+12

8 0

3 years ago

Read 2 more answers