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tatiyna
3 years ago
7

Which algebraic expression is a polynomial with a degree of 3? 4x3 –  2y3 + 5y2 – 5y 3y3 –  –xy

Mathematics
2 answers:
Svetllana [295]3 years ago
7 0
Your answer should be B.
Vitek1552 [10]3 years ago
6 0

Answer:

the answer is be on ed

Step-by-step explanation:

i know cause i just did it

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Find the approximate volume of the figure below, composed of a cone, a cylinder, and a hemisphere. If necessary, round your answ
mixas84 [53]

Answer:

Volume of the solid = 480.42m³

Step-by-step explanation:

To sov this question, we'll have to break the solid into different shapes of solid to solve it easily.

Volume of a cylinder = πr²h

volume of a hemisphere = 4/3πr³

Volume of a cone = ⅓πr²h

π = 3.14

r = 3m

h(cylinder) = 11m

Slant height of cone = 3√(2)

Height of cone = ?

To find height of cone, we can use pythagorean theorem

a² = b² + c²

[ 3√(2)]² = 3² + c²

9*2 = 9 + c²

C² = 18 - 9

C = 9m

Height of the cone = 9m

Volume of a cylinder = πr²h

V = 3.14 * 3² * 11

V = 310.86m³

Volume of the cylnder = 310.86m³

Volume of the hemisphere = 4/3πr³

V = 3.14 * 3³

V = 84.78m³

Volume of the hemisphere = 84.78m³

Volume of the cone = ⅓πr²h

V = ⅓ * 3.14 * 3² * 9

V = 84.78

Volume of the cone = 84.78m³

Volume of the solid = volume of cone + volume of hemisphere + volume of cylinder

Volume of the solid = 84.78 + 84.78 + 310.86

Volume = 480.42m³

5 0
3 years ago
20 points!!
omeli [17]

34.1 degrees Farenheit

have a splendid evening

5 0
2 years ago
Nate bought two large pizzas and one small pizza and paid $36 if the difference in costs between the large and small pizza is $5
goldenfox [79]

Answer: $8.5

Step-by-step explanation:

i did the work

4 0
1 year ago
In this composite function, (f◦g)(x) where f(x)=(X-3) and g(x)=X^2 what is (f◦g)(x) when x=1?
Alekssandra [29.7K]

Answer:

When x = 1, (f◦g)(x) is -2.

Step-by-step explanation:

Composite function:

The composite function of f and g is given by:

(f \circ g)(x) = f(g(x))

In this question:

f(x) = x - 3, g(x) = x^2

Composite function:

The composite function is:

f(g(x)) = f(x^2) = x^2 - 3

At x = 1

(f \circ g)(1) = 1^2 - 3 = 1 - 3 = -2

So

When x = 1, (f◦g)(x) is -2.

3 0
3 years ago
2 Look at the open number line in<br> Problem 1. How would you change the<br> numbers to show 9 + 5?
-BARSIC- [3]

Answer:

i need the number line

Step-by-step explanation:

lol

8 0
3 years ago
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