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mihalych1998 [28]
4 years ago
7

Help Me??????????????????

Mathematics
2 answers:
likoan [24]4 years ago
8 0
Multiply -2 by 12 then add 5 then that would equal to -19 then 3 times 3 plus 2 which is 11, then 1 times 2 plus 1 which is 4. lastly do -19-11+4= -26. from what I remember I think that's what ya do! :D
gulaghasi [49]4 years ago
5 0
I believe it is -4 7/12
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The population of a certain country is expected to double every 32 years. The population of this country was 4.2 million people
mojhsa [17]

Answer:

2.2%

Step-by-step explanation:

Given the following :

Population in year 2000 (A) = 4.2 million

Expected population every 32 years = 2 *A

The growth rate per year =?

The population figure after 32 years = (2 * 4.2 million) = 8.4 million

Using the exponential growth formula :

P(t) = A × (1 + r)^t

(1 + r) = g = Total growth percent

A = Initial population

t = time

P(t) = 8.4 million

8,400,000 = 4,200,000 × g^32

g^32 = (8400000/4200000)

g^32 = 2

Taking the root of 32 on both sides

g = 1.02189714865

g = (1 + r)

1.02189714865 = 1 + r

r = 1.02189714865 - 1

r = 0.02189714865

.rate = 0.02189714865 * 100

= 2.18971486541%

= 2.2% ( nearest tenth)

4 0
4 years ago
66. Select two numbers that render the following fractional expression undefined. Note that there may be more than one possible
Strike441 [17]

aAnswer:

a

Step-by-step explanation:

6 0
1 year ago
Find the measure of the complemeny of angle m where m is 31.1
lana66690 [7]
The answer is:  " 58.9° " .
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By definition,  two (2) complementary angles must add up to 90°.

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   " 90 - 31.1 = 58.9 " .
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8 0
3 years ago
the number of diagonals that can be drawn in a opolygon of n sides is 1/2n(n-1)-n. If 230 diagonsaals can be drawn how many side
Vitek1552 [10]

Answer:

n = 20

Step-by-step explanation:

The number of diagonal that can be drawn in a polygon of n sides is given by :

D=\dfrac{n(n-3)}{2}

If the number of diagonals are 230, then put D = 230 in above formula. So,

230=\dfrac{n(n-3)}{2}\\\\460=n^2-3n\\\\n^2-3n-460=0

It is a quadratic equation, the value of n is equal to 20.

It means that for 230 diagonal, there are 20 sides of the polygon.

7 0
4 years ago
Ms Katrina has eighteen hours available per day to allocate between Leisure and work. She has N$1000
Citrus2011 [14]
The answer is in the photo below
4 0
3 years ago
Read 2 more answers
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