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Elina [12.6K]
4 years ago
12

16) The Millers plan on retiring soon. When they were first married they purchased 1,000 shares in a mutual fund that was at tha

t time paying $10 a share. Now, thirty years later it is paying $78 a share. What is the percent increase for the fund? A) 6.8% B) 7.8% C) 78% D) 680%
Mathematics
1 answer:
OlgaM077 [116]4 years ago
4 0

Answer:

D

Step-by-step explanation:

1,000 × 10 = $10,000

1,000 × 78 = $78,000

increase ÷ original number x 100

68,000 ÷ 10,000 × 100 = 680

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7 0
3 years ago
Pls help me answer this and I will help you answer your question or pay you
Eva8 [605]

Answer:

\frac{1}{6}

Step-by-step explanation:

There are choices when it comes to color (3). Then there is the choice between a boy dog or a girl dog (2). Multiply the number of colors by the number of genders. (6)

When choosing a dog from random, you can either choose:

Brown/M

Brown/F

Black/M

Black/F

Yellow/M

Yellow/F

(This list is called the Sample Space, a list of all possible outcomes)

Because the text says that all types of dogs are found in even numbers, it would not matter if there was 6, 12, 18, ... amount of dogs.

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7 0
3 years ago
Find the value of d 2d - 5 = 17
tester [92]
<span>Simplifying 2d + -5 = 17 Reorder the terms: -5 + 2d = 17 Solving -5 + 2d = 17 Solving for variable 'd'. Move all terms containing d to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + 2d = 17 + 5 Combine like terms: -5 + 5 = 0 0 + 2d = 17 + 5 2d = 17 + 5 Combine like terms: 17 + 5 = 22 2d = 22 Divide each side by '2'. d = 11 Simplifying d = 11 </span>
7 0
4 years ago
Read 2 more answers
The time to failure (in hours) for a laser in a cytometry machine is modeled by an exponential distribution with . Round the ans
wariber [46]

Answer:

a)e^-(λ20891)

b)1-e^-(λ30598)

c)1-e^-(λ30598)-e^-(λ20891)

Step-by-step explanation:

The probability density function (pdf) of an exponential distribution is

f(x,λ)=λe^-(λx) for x>0, and 0 for x<0

The cumulative distribution function is given by

F(x,λ)=1-e^-(λx) for x>0, and 0 for x<0

P(X≥20891)=1-P(X≤20891)=1-F(20891,λ)=e^-(λ20891)

P(X≤30598)=F(30598,λ)=1-e^-(λ30598)

P(20891≤X≤30598)=F(30598,λ)-(20891,λ)=1-e^-(λ30598)-e^-(λ20891)

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3 years ago
Melissa and her mom go on a road trip. They drive 87 kilometers before lunch. They drive 59 kilometers after lunch. Estamate how
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Not enough context...

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4 years ago
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