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Komok [63]
2 years ago
14

Help pls!

Physics
1 answer:
REY [17]2 years ago
3 0

Answer:

Geothermal power can provide consistent electricity throughout the day and year - continuous baseload power and flexible power to support the needs of variable renewable energy resources, such as wind and solar. Sustainable Investment.

Explanation:

THIS IS WHY WE SHOULD USE GEOTHERMAL ENERGY IN FUTURE

YOU CAN MARK ME AS BRAINIEST IF YOU WANT

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Define in importance of building stores​
Jobisdone [24]
The building sector plays a large role in the energy consumption which includes space heating or cooling, domestic hot water and electricity. Buildings with their long lifespan and huge amount of already existing buildings, makes revision in energy characteristics of a building constrained.
4 0
2 years ago
Leoni is participating in four drawing competitions. If the probability of her losing any
Alex17521 [72]

Answer:

(a) Probability = 0.7599

(b) Probability = 0.2646

Explanation:

Represent losing with L and winning with W.

So:

L = 0.7 --- Given

n = 4

Probability of winning would be:

W = 1 - L

W = 1 - 0.7

W = 0.3

The question illustrates binomial probability and will be solved using the following binomial expansion;

(L + W)^4 = L^4 + 4L^3W + 6L^2W^2 + 4LW^3 + W^4

So:

Solving (a): Winning at least 1

We look at the above and we list out the terms where the powers of W is at least 1; i.e., 1,2,3 and 4

So, we have:

Probability = 4L^3W + 6L^2W^2 + 4LW^3 + W^4

Substitute value for W and L

Probability = 4 * 0.7^3*0.3 + 6*0.7^2*0.3^2 + 4*0.7*0.3^3 + 0.3^4

Probability = 0.7599

<em>Hence, the probability of her winning at least one is 0.7599</em>

Solving (a): Wining exactly 2

We look at the above and we list out the terms where the powers of W is exactly 2

So, we have:

Probability = 6L^2W^2

Substitute value for W and L

Probability = 6*0.7^2*0.3^2

Probability = 0.2646

<em>Hence, the probability of her winning exactly two is 0.2646</em>

6 0
2 years ago
How can a megaphone used by a cheerleader allow people on the opposite side of a field to hear her better?
Goshia [24]
The megaphone is cupping the area around her mouth and it is like with your hands, if you cover around them the noise will be louder. It is because it is hollow and there isn't anything to block the noise through the megaphone.
7 0
2 years ago
1. A pumpkin with a mass of 2 kg accelerates 2 m/s/s when an unknown force is applied to it. What is the amount of the force?
hram777 [196]

Answer:

4 Newton

Explanation:

F=ma therefore 2kg*2m/s/s=4 Newton

6 0
2 years ago
how Long will it take a plane flying north from Miami to reach New York City 1800 km away if the average velocity of the plane i
alukav5142 [94]
Answer: 1.91 hours or 1 hour and 55 minutes

Procedure:

Average speed = distance / time

=> time = distance / average speed

=> distance = 1800 km / 940 km/h = 1.91 hours

0.91 hours * 60 min / hour = 54.9 min = 55 min

=> 1 hour and 55 min.
8 0
3 years ago
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