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katrin2010 [14]
3 years ago
12

Please help D:

Mathematics
1 answer:
lawyer [7]3 years ago
3 0
The answer is <span>The sum is 10 · 11.
</span>
The first 10 positive even numbers are:
2, 4, 6, 8, 10, 12, 14, 16, 18, 20

Their sum is:
 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 = 110

Now, let's present it as two factors:
110 = 11 * 10
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the population of Watesville decreases at a 1.6% per year.If the population was 62,500 in 2014 what will it be in 2020
vichka [17]

The population in 2020 will be 57657.5 approximately

<u>Explanation:</u>

Given:

Population in 2014, P = 62,500

Rate of decrease, r = 1.6%

Population in 2020, Q = ?

Number of years between 2014 to 2020 = 5 years

Population in 2020 = P(1 - \frac{r}{100} )^t

Substituting the value we get:

Q = 62500(1- \frac{1.6}{100})^5\\ \\Q = 62500 ( 0.92252) \\\\Q = 57657.46

Therefore, the population in 2020 will be 57657.5 approximately

7 0
3 years ago
What is the answer? please tell me i am desperate!?
solniwko [45]
Okay so this is easy conversion.
40 quarters=10$
60 dimes =24 quarters
30 dimes= 12 quarters=3$
200 dimes=80 quarters
6 0
3 years ago
Cally made a rectangular sandbox. It is 8 feet long and 10 feet
Mnenie [13.5K]

Answer:

160 pounds of sand.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Find the total surface area of a trapezoidal prism.
Ostrovityanka [42]
Split the trapezium into a rectangle and a triangle and work out the areas of them.
4x6=24
(2x4)/2=4
Area of trapezium= 28
There are 2 trapeziums, which makes 56.
The back of the shape is 4x14=56.
The top of the shape is 6x14=84.
The underside of the shape is 8x14=112.
The front rectangle is 14x4.47= 62.58.

As them all together= 56+56+84+112+62.58=370.58.

Total surface area=370.58.

Hope this helps :)
4 0
3 years ago
Read 2 more answers
Why is 8(s-3) considered a single term when (s-3) is the difference of two terms?
jok3333 [9.3K]
When you have 8(s-3) you are find a product of 8 times whatever s-3 is however s-3 you are find the difference between whatever s is and 3.
4 0
3 years ago
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