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Juliette [100K]

3 years ago

7

The world population is increasing exponentially. Do you think that the trend will continue forever? Explain why or why not.

2 answers:

Nutka1998 [239]3 years ago

8 0

Answer:

Dont delete my answer it isn't a comment read the question.

I think that the population will stop when we can't sustain the elderly and babies

shutvik [7]3 years ago

6 0

Answer:

Human population, now over 7 billion, cannot continue to grow indefinitely. There are limits to the life-sustaining resources earth can provide us. In other words, there is a carrying capacity for human life on our planet. Carrying capacity is the maximum number of a species an environment can support indefinitely.

It is projected that the world's population will continue to grow and will reach nearly 10 billion by 2050. While in other regions growth will slow significantly, in Sub-Saharan Africa, the population is projected to double by 2050, an expansion of nearly 10 times relative to 1960, from 227 million to 2.2 billion.

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maria [59]

Step-by-step explanation:

A- Equilateral (all of the angles are the same)

B- isosceles (just two angles are the same)

C- scalene (non of the angles are the same)

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3 years ago

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What is the surface area of a sphere with a diameter of 12 centimeters? (Use 3.14 for π .) 1,808.64 cm 2 452.16 cm 2 150.72 cm 2

svetoff [14.1K]

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3 years ago

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What is the area of the pentagon shown below a.27 square feet b. 58.5 c.85.5 d.117

Sergio [31]

Answer:

Option B, Area of pentagon = 58.5 Square feet

Step-by-step explanation:

The remaining part of the question is attached as image

Solution

Area of pentagon has a triangle and a trapezoid

Area of triangle = 0.5 *base *height = 0.5*9 *3 = 13.5 square feet

Area of trapezoid = Area of rectangle – 2* area of smaller triangles

= 9 ft * 6ft – ( 2 * 0.5 * 6 ft * (9 ft – 6ft) /2

= 54 – (1*6*1.5)

Area of pentagon = 13.5 + 45 = 58.5 Square feet

Hence, option B is correct

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2 years ago

A 6,000-seat theater has tickets for sale at $28 and $40. How many tickets should be sold at each price for a sellout perform

RUDIKE [14]

Answer:

2,100 $28 tickets were sold, and 3,900 $40 tickets were sold!

Step-by-step explanation:

So, we need to write two equations in order to solve this:

We will think of 28 dollar tickets as x, 40 dollar tickets as y.

Now lets make those equations:

$x + y = 6,000$

and

$28x+40y = 193,200$

Now, to solve for x and y, lets set a value for x or y. In this case I will set the value of y:

I will do this by taking $x + y = 6,000$ , and subtracting x to the other side, to get y alone:

$y = 6,000 - x$

Now lets plug in y to our second equation:

$28x + 40(6,000-x) = 193,2000$

=

$28x+240,000-40x = 193,200$

Now combining like terms and solving for x we get:

$-12x + 240,000 = 193,200$

=

$-12x = -46,800$

=

$x=3,900$

Now that we know x, lets solve for y by plugging into our first equation!

$3,900 + y = 6,000$

=

$y = 2,100$

So now we know that our answer is:

2,100 $28 tickets were sold, and 3,900 $40 tickets were sold!

Hope this helps! :3

7 0

2 years ago