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goldenfox [79]
3 years ago
10

What is the exact volume of the cone​

Mathematics
1 answer:
MrMuchimi3 years ago
5 0
675(Pi) is the answer
Since the equation is
Pi * r^2 * h/3
Pi * 15^2 * 9/3
Pi * 225 * 3
625(pi)
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Find the values of x and y using trig
Natasha_Volkova [10]

Answer:

Step-by-step explanation:

The triangle is a right angle triangle. This is because one of its angles is 90 degrees.

Let us determine x

Taking 47 degrees as the reference angle,

x = adjacent side

11 = hypotenuse

Applying trigonometric ratio,

Cos # = adjacent side / hypotenuse

# = 47 degrees

Cos 47 = x/11

x = 11cos47

x = 11 × 0.6820

x = 7.502

Let us determine y

Taking 47 degrees as the reference angle,

y = opposite side

11 = hypotenuse

Applying trigonometric ratio,

Sin # = opposite side / hypotenuse

# = 47 degrees

Sin 47 = y/11

x = 11Sin47

x = 11 × 0.7314

x = 8.0454

7 0
2 years ago
Use the GCF to factor 28x + 42.<br> HELLP PLS
natima [27]

Answer:

The GCF will be 14 and the factored answer will be 14(2x+3)

Step-by-step explanation:

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4 0
3 years ago
Simplify the trigonometric expression sin(4x) +2 sin(2x) using Double-Angle<br> Identities.
emmasim [6.3K]

Answer:

8sin(x)cos³(x)

Step-by-step explanation:

sin(4x) +2 sin(2x)  = 2sin(2x)*cos(2x) + 2sin(2x) = 2sin(2x)(cos2x + 1)=

= 2sin(2x)(cos²x - sin²x + cos²x + sin²x)=²2sin(2x)*(2cos²x)=

= 4*2sin(x)*cos(x)*cos²(x)= 8sin(x)cos³(x)

6 0
2 years ago
A right angled triangle has a second angle equal 24 degrees. The side adjacent to this angle is 3,7 metres long. How long are th
Vaselesa [24]
Hypotenuse will be 4.05
Opposite will be 1.65

4 0
2 years ago
6. The angle of depression from the top of a tower to a boulder on the ground is 38°. If the tower is 25 m high,
gizmo_the_mogwai [7]
Tan38 = 25/x
.781 = 25/x
31.998 = x
3 0
3 years ago
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