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Scrat [10]
2 years ago
5

Which answer choice correctly represents 0.513333… ?A.B.C.D.

Mathematics
2 answers:
Zepler [3.9K]2 years ago
7 0
Abdc

I think so cuz I did this and got it right hopefully it is right good luck
Nady [450]2 years ago
7 0

Answer:

<h2>0.513333...=<u>0.513</u></h2>

Step-by-step explanation:

I don't see the choice.

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What is the volume of the composite figure? (Round to the nearest hundredth. Use 3.14 for x.)
marshall27 [118]

The volume of the composite figure is the third option 385.17 cubic centimeters.

Step-by-step explanation:

Step 1:

The composite figure consists of a cone and a half-sphere on top.

We will have to calculate the volumes of the cone and the half-sphere separately and then add them to obtain the total volume.

Step 2:

The volume of a cone is determined by multiplying \frac{1}{3} with π, the square of the radius (r²) and height (h). Here we substitute π as 3.1415.

The radius is 4 cm and the height is 15 cm.

The volume of the cone :

V = \frac{1}{3} \pi r^{2} h = \frac{1}{3} (3.1415)(4^{2} )(15) = 251.32 cubic cm.

Step 3:

The area of a half-sphere is half of a full sphere.

The volume of a sphere is given by multiplying \frac{4}{3} with π and the cube of the radius (r³).

Here the radius is 4 cm. We take π as 3.1415.

The volume of a full sphere \frac{4}{3} \pi r^{3} = \frac{4}{3} (3.1415) (4^{3}) = 268.07 cubic cm.

The volume of the half-sphere =\frac{1}{2} (268.07) = 134.037 cubic cm.

Step 4:

The total volume = The volume of the cone + The volume of the half sphere,

The total volume 251.32+134.037 = 385.357 cub cm. This is closest to the third option 385.17 cubic centimeters.

5 0
3 years ago
1. In which number does the 6 have a value that is one-tenth the value of the 6 in 34,7612
DiKsa [7]
I think it's C, I could be wrong though
8 0
3 years ago
WILL MARK BRAINLIEST
il63 [147K]

Answer:

1) c 2)c 3)b

Step-by-step explanation:

8 0
3 years ago
A ladder is 12 metres long . It leans against a wall with one end on the ground 7 metres from the wall. The other end just reach
MissTica

Answer:

window sill height =9.75 meters

Step-by-step explanation:

Ladder^2=height^2+length^2

12^2=height^2+7^2

144=height^2+49

height^2=144-49=95

height=9.75

6 0
3 years ago
Solve the quadratic equation by completing the square. x^2-14x+42=0 First, choose the appropriate form and fill in the blanks wi
Tom [10]
X^2 - 14x + 42 = 0
x^2 - 14x = -42
x^2 - 14x + 49 = 49 - 42
(x - 7)^2 = 7
x - 7 = (+-) sqrt 7
x = 7 (+-) sqrt 7

solutions are : x = 7 + sqrt 7 and x = 7 - sqrt 7

5 0
3 years ago
Read 2 more answers
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