2 years ago

Which energy resource causes the greatest waste disposal concerns? geothermal power nuclear solar power coal

Mathematics

2 answers:

Lera25 [3.4K]2 years ago

5 0

Answer: nuclear

Step-by-step explanation:

took the test coal was not right.

Umnica [9.8K]2 years ago

3 0

Answer:

coal i think

Step-by-step explanation:

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10x - 7x+1<br> Product:<br> Sum:

igomit [66]

Answer:

3x+1

Step-by-step explanation:

6 0

3 years ago

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AC has endpoints<br> A(3,7) and C(6,11).<br> Find AB if B is the<br> midpoint of AC.

faltersainse [42]

Answer:

d=2.5

Step-by-step explanation:

first find the coordinate of B(mid point of AC):A(3,7) C(6,11)

d=√(6-3)²+(11-7)²

d=√3²+4²

d=√9+16=√25=5

since B is the mid point : d/2=5/2=2.5

<h2>Another way :</h2>

B(x1+x2/2 , y1+y2/2) , x1=3 , x2=6, y1=7, y2=11

B(9/2,18/2)

B(9/2,9)

Find AB : the length or distance between 2 points:

d=√(x2-x1)²+(y2-y1)²

d=√(3-9/2)²+(7-9)²

d=√(-3/2)²+(-2)²

d=√1.5²+4

d=√6.25

d=2.5

8 0

3 years ago

Write the following integers in a decreasing order. 1. 0,7,-3,9,-132,36

Elan Coil [88]

ANSWER:
36 > 9 > 7 > 0 > -3 > -132

Hope it helps u!

6 0

2 years ago

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Which pair of polygons is congruent?

erik [133]

Answer:

Step-by-step explanation:

Polygon 3 and 5 are congruent cause they have the same length of side

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2 years ago

From a population of 200,000,000 elements, the standard deviation is known to be 14. A sample of 49 elements is selected. It is

Talja [164]

Answer:

The standard error of the mean = 2

Step-by-step explanation:

Given that:

The standard deviation σ = 14

The sample size n = 49

The sample mean $\overline x$ = 56

The formula for calculating the standard error can be expressed as:

$S.E = \dfrac{\sigma}{\sqrt{n}}$

$S.E = \dfrac{14}{\sqrt{49}}$

$S.E = \dfrac{14}{7}$

S.E = 2

Therefore, the standard error of the mean = 2

4 0

2 years ago