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Trava [24]
1 year ago
10

Answer please, I have posted it 3 times but nobody has helped, Need answer ASAP.

Mathematics
1 answer:
sergiy2304 [10]1 year ago
3 0

Answer:

706.74 (not rounded)

Step-by-step explanation:

Formula for the volume of a cone: V=πR(squared) h/3

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What is the length of DE?
g100num [7]

Answer:

Step-by-step explanation:

Yes

Theorem 8.3: If two angles are complementary to the same angle, then these two angles are congruent.

∠A and ∠B are complementary, and ∠C and ∠B are complementary.

Given: ∠A and ∠B are complementary, and ∠C and ∠B are complementary.

Prove: ∠A ~= ∠C.

 Statements Reasons

1. ∠A and ∠B are complementary, and ∠C and ∠B are complementary. Given

2. m∠A + m∠B = 90º , m∠C + m∠B = 90º Definition of complementary

3. m∠A = 90 º - m∠B, m∠C = 90º - m∠B Subtraction property of equality

4. m∠A = m∠C Substitution (step 3)

5. ∠A ~= ∠C Definition of ~=

6 0
3 years ago
What is f(-2) for f(x)=1/2x^2
GarryVolchara [31]
Answer: 2

Steps:
f(-2) = 1/2x^2
f(-2) = 1/2(-2)^2
f(-2) = 1/2(4)
f(-2) = 2
7 0
2 years ago
Evaluate the function k(x)=5 for the given value of x. Simplify your answer.
coldgirl [10]

Answer:

5

Step-by-step explanation:

k(x)=5 says I'm 5 no matter the value of x...

So therefore

k(-4)=5

k(56)=5

k(66378)=5

k(whatever)=5

k(x) is constantly 5 for whatever input x.

4 0
2 years ago
Answer these questions
vampirchik [111]
Define natural hazard?

A natural hazard is a natural phenomenon that might have a negative effect on humans and other animals, or the environment. Natural hazard events can be classified into two broad categories: geophysical and biological.

What is the difference between tectonic hazards and weather hazards ?

Tectonic hazards occur when the Earth's crust moves. For example, when the plates move, friction can cause them to become stuck. Tension builds until the plates release, which leads to an earthquake. Climatic hazards occur when a region has certain weather conditions, for example heavy rainfall can lead to flooding.

why do convection currents in the mantle occur?

Heat rising and falling inside the mantle creates convection currents generated by radioactive decay in the core. The convection currents move the plates. Where convection currents diverge near the Earth's crust, plates move apart
4 0
3 years ago
“Lines that appear to be tangent are tangent. O is the center of the circle. What is the value of x?”
ahrayia [7]
Hello,

Let's calculate ∠O:
 ∠O=180-2*56=68+

x=90-68=22°

3 0
3 years ago
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