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Hunter-Best [27]
3 years ago
14

What is the experimental probability of drawing a red marble, given the following results?

Mathematics
1 answer:
irga5000 [103]3 years ago
4 0

Answer: 2/5

Step-by-step explanation:

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How much money, invested at an interest rate of r % per year compounded continuously, will amount to A dollars after t years? (R
Alex Ar [27]

Answer: $151377.5 should be invested.

Step-by-step explanation:

The formula for continuously compounded interest is

A = P x e (r x t)

Where

A represents the future value of the investment after t years.

P represents the present value or initial amount invested

r represents the interest rate

t represents the time in years for which the investment was made.

e is the mathematical constant approximated as 2.7183.

From the information given,

A = $300000

r = 3.8% = 3.8/100 = 0.038

t = 18 years

Therefore,

300000 = P x 2.7183^(0.038 x 18)

300000 = P x 2.7183^(0.684)

300000 = 1.9818P

P = 300000/1.9818

P = $151377.5

8 0
4 years ago
From the first quiz to the second quiz, a score dropped eight points. The score on the second quiz was 39. What was the first qu
frutty [35]

Answer:47

Step-by-step explanation:

Because 39+8=47.

5 0
3 years ago
Read 2 more answers
Find the relative minimum of<br> y = 3x^3 + 14x^2 - 11x - 46<br><br>(___, ___)​
Darina [25.2K]

Answer:

(0.353, -48)

Step-by-step explanation:

dy/dx = 9x² + 28x - 11 = 0

Using the quadratic formula:

x = -3.46 and 0.353

d²y/dx² = 18x + 28

Minima when d²y/dx² is positive

x = 0.35284 or (-14+sqrt(295))/9

y = 3x³ + 14x² - 11x - 46

y = -48.00651351

6 0
3 years ago
Solve for x given that <br><img src="https://tex.z-dn.net/?f=%20%7B64%7D%5E%7B2x%20-%201%7D%20%3D%20%20%7B32%7D%5E%7Bx%20%2B%201
marissa [1.9K]

Answer:

x = \frac{11}{7}

Step-by-step explanation:

note that 64 = 2^{6} and 32 = 2^{5} , thus

(2^{6}) ^{2x-1} = (2^{5}) ^{x+1} , that is

2^{6(2x-1)} = 2^{5(x+1)}

2^{12x-6} = 2^{5x+5}

Since the bases on both sides are equal, then equate the exponents

12x - 6 = 5x + 5 ( subtract 5x from both sides )

7x - 6 = 5 ( add 6 to both sides )

7x = 11 ( divide both sides by 7 )

x = \frac{11}{7}

8 0
4 years ago
Complete the following statement of congruence:
Airida [17]
The answer would be C) Triangle ABC. This would because it matches with triangle XYZ's each respective angle. Hope this helped!
3 0
4 years ago
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