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FromTheMoon [43]
3 years ago
13

Answer as quickly as you possibly can

Mathematics
1 answer:
klemol [59]3 years ago
5 0

Answer:

m = 3/2

Step-by-step explanation:

You want to find the slope, or the change in y coordinates over change in x-coordinates.

The first given point is E(-2, -4)

The second point is F(2, 2)

Coordinates are given in (x, y), so following the equation and computing the  x and y coordinates of E - F for both the numerator and denominator:

\frac{y_2 - y_1}{x_2-x_1}  =  \frac{-4 -2}{-2 -2} = \frac{-6}{-4} = \frac{3}{2}

You could also have went the other way and calculated F - E for the numerator and denominator and get the same answer.

Finally, to check you can also look at the graph through the rise over run (rise/run) method and see that from E, you go up 3 (rise) and to the right 2 (run) to get to the next point on the line.

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Growth or Increase = (last value - initial value)/(initial value):

Growth/Increase = (2.09 - 1.89)/(1.89) = 0.1058 or 10.58 %

3 0
3 years ago
Calcium-41 is being used in studies testing the effectiveness of drugs for preventing osteoporosis. The half-life of calcium-41
Leviafan [203]

Answer:

332,193 years

Step-by-step explanation:

From the question above, we are to calculate the time in an half life question, hence, the formula is given as

t = In(Nt/No) ÷ -(In2/t½)

Where

t = time is takes for an substance to decay or reduce

Nt = Amount of sample after time = 2g

No = Initial amount of sample = 20g

t½ = Half life = 100,000 years

Hence,

t = In(2/20) ÷ (In 2/ 100,000)

t = 332192.80948874 years

Approximately = 332,193 years

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3 years ago
What is 5x - 3 = 17?
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5x-3=17\\\\5x-3+3=17+3\\\\5x=20\\\\5x:5=20:5\\\\x=4
7 0
3 years ago
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8 0
4 years ago
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A rectangular room measures 224 square feet. One side of the room is 14 feet long. What is the perimeter of the room?
rusak2 [61]

Answer: The perimeter is 60 feet

Step-by-step explanation:

224/14=16

16+14+16+14=60 feet

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3 0
3 years ago
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