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zvonat [6]
2 years ago
11

Select the correct answer

Mathematics
1 answer:
serg [7]2 years ago
7 0

Answer:

25x2 = 16

x2 = 16/25

x = ±4/5

Step-by-step explanation:

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A company that sells annuities must base the annual payout on the probability distribution of the length of life of the particip
Svetlanka [38]

Answer:

Step-by-step explanation:

Let X be length of life of the participants in the plan.

Given that X is N(68,3.5)

We convert this to standard normal score z using

z=\frac{x-68}{3.5}

a)  proportion of the plan recipients that would receive payments beyond age 75=P(X\geq 75) = P(Z\geq 2)\\= 0.025

b) proportion of the plan recipients die before they reach the standard retirement age of 65=P(X\leq 65) = P(z\leq -0.86)\\=0.5-0.2764\\=0.2236

c) x for 86% ceased

P(Z

5 0
3 years ago
I need help someone help me please <3
ElenaW [278]

Answer:

y=-\frac{3}{2}x-2

Step-by-step explanation:

using the y=mx+b equation, where m=slope and b=y-intercept, we can place our known slope and y-intercept to form our answer, y=-\frac{3}{2}x-2 :-) hope this helped!

4 0
2 years ago
I will give brainliest.........................Please explain please..........................
Ahat [919]
<h3>Answer:  Profit = 6.40 dollars</h3>

======================================================

Explanation:

Plug x = 80 into the equation to get

y = 0.12x

y = 0.12*80

y = 9.60

This means the store paid $9.60 for the rope. This amount of money is leaving the store owner's wallet or bank account. We'll keep this in mind for later.

-------------------

The graph shows the equation y = 0.20x

Note how the point (1, 0.20) is on the line to help see the slope right away. This trick only works when the line goes through the origin.

You could also use the slope formula to get this. The y intercept is 0 since the line goes through the origin.

This equation and graph show that the price per foot is $0.20, or it's 20 cents per foot.

Plug in x = 80 to find how much the store will make in revenue

y = 0.20x

y = 0.20*80

y = 16

The store makes $16 in revenue when it sells 80 ft of rope.

----------------------

The cost to the store was $9.60 found in the first section. The revenue was $16 found in section 2.

So,

profit = revenue - cost

profit = 16 - 9.60

profit = 6.40 dollars

6 0
2 years ago
What is the effect on the graph of the function f(x) = x^3 when f(x) is changed to f(x + 8)?
ratelena [41]

Answer:

D

Step-by-step explanation:

Because you are adding to it so it would be a positive

6 0
2 years ago
Read 2 more answers
1.x+y=-7 y=x+1
son4ous [18]

Answer:

I'm just doing thifor points trooolls

Step-by-step explanation:

nxnxnxnxmxkx

8 0
2 years ago
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