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aliina [53]
3 years ago
10

Evaluate u + xy, for u = 18, x = 10, and y = 8.

Mathematics
1 answer:
Gnoma [55]3 years ago
3 0

Answer: 98

Step-by-step explanation:

18+(10)(8)= 98

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PLEASE HELP ME!! I will give brainliest
Irina18 [472]

Answer:

D

Step-by-step explanation:

It is on the positive side of the graph and the point is on 3,1

3 0
3 years ago
The table shows claims and their probabilities for an insurance company.
Dafna1 [17]

Answer:

a) Expected Value of Claims = $32,000

b) Average premium per claim, in order to break-even on claim costs

= $5,333.33

c) To make a profit of $60 per policy (i.e. a total profit of $360 ($60 x 6), it must charge:

= $5,393.33 per policy

Step-by-step explanation:

a) Data and Calculations:

Amount of Claim      Probability   Expected Value

$0                               0.60             $0

$50,000                     0.25             $12,500

$100,000                   0.09                 9,000

$150,000                   0.04                 6,000

$200,000                  0.01                 2,000

$250,000                 0.01                 2,500

Expected Cost of claims =          $32,000

b) Average premium per claim, in order to break-even on claim costs

= Total Claim cost divided by number of policies

= $32,000/6 = $5,333.33

c) To make a profit of $60 per policy (i.e. a total profit of $360 ($60 x 6), it must charge:

Total Claim cost + Total profit / 6 or Average Premium plus Profit per policy =

= ($32,000 + $360)/6 or $5,333.33 + $60

= $32,360/6 or $5,393.33

= $5,393.33

6 0
3 years ago
A. Find a slope-intercept equation for line A.<br> b. Find a point-slope for line B.
lara [203]
The slope intercept form of the line is given by:
 y = mx + b
 The point-slope form is given by:
 y-yo = m (x-xo)
 Where,
 m: slope of the line
 b: cutting point with the y axis
 (xo, yo): ordered pair that belongs to the line

  For line A:
 The slope is 
 m = \frac{1-3}{4-1}
 m = \frac{-2}{3}
 The cut point with the y axis is:
 b = \frac{11}{3}
 Substituting values we have:
 y = -\frac{2}{3}x + \frac{11}{3}

  For line B:
  The slope is given by:
  m=\frac{1-(-5)}{4-0}
  m=\frac{1+5}{4}
  m=\frac{6}{4}
  m=\frac{3}{2}
  Then, the equation of the line is:
  y-1= \frac{3}{2}(x-4)

  Answer:
  
Option A
3 0
3 years ago
8 millions + 6 thousands + 9 hundreds + 7 ones = 806. 907 A True. b.false​
suter [353]

Answer:

true

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Based on a​ poll, 40​% of adults believe in reincarnation. Assume that 77 adults are randomly​ selected, and find the indicated
damaskus [11]

To solve this problem, we make use of the binomial probability equation:

P = [n! / (n – r)! r!] p^r * q^(n – r)

where,

n is the total number of adult samples = 77

r is the selected number of adults who believe in reincarnation

p is the of believing in reincarnation = 40% = 0.40

q is 1 – p = 0.60

 

a. What is the probability that exactly 66 of the selected adults believe in​ reincarnation?

So we use r = 66

 

P = [77! / (77 – 66)! 66!] 0.40^66 * 0.60^(77 – 66)

P = 1.32 x 10^-16

 

b. What is the probability that all of the selected adults believe in​ reincarnation?

So we use r = 77

 

P = [77! / (77 – 77)! 77!] 0.40^77 * 0.60^(77 – 77)

P =2.28 x 10^-31

 

c.  What is the probability that at least 66 of the selected adults believe in​ reincarnation?

So we use r = 66 to 77

 

P (r=66) = 1.32 x 10^-16

P (r=67) = [77! / (77 – 67)! 67!] 0.40^67 * 0.60^(77 – 67) = 1.44 x 10^-17

P (r=68) = [77! / (77 – 68)! 68!] 0.40^68 * 0.60^(77 – 68) = 1.42 x 10^-18

P (r=69) = [77! / (77 – 69)! 69!] 0.40^69 * 0.60^(77 – 69) = 1.23 x 10^-19

P (r=70) = [77! / (77 – 70)! 70!] 0.40^70 * 0.60^(77 – 70) = 9.38 x 10^-21

P (r=71) = [77! / (77 – 71)! 71!] 0.40^71 * 0.60^(77 – 71) = 6.17 x 10^-22

P (r=72) = [77! / (77 – 72)! 72!] 0.40^72 * 0.60^(77 – 72) = 3.43 x 10^-23

P (r=73) = [77! / (77 – 73)! 73!] 0.40^73 * 0.60^(77 – 73) = 1.56 x 10^-24

P (r=74) = [77! / (77 – 74)! 74!] 0.40^74 * 0.60^(77 – 74) = 5.64 x 10^-26

P (r=75) = [77! / (77 – 75)! 75!] 0.40^75 * 0.60^(77 – 75) = 1.50 x 10^-27

P (r=76) = [77! / (77 – 76)! 76!] 0.40^76 * 0.60^(77 – 76) = 2.64 x 10^-29

P (r=77) = 2.28 x 10^-31

 

The total is the sum of all:

P(total) = 1.48 x 10^-16

 

d. If 77 adults are randomly​ selected, is 66 a significantly high number who believe in​ reincarnation?

          C.Yes​, because the probability that 66 or more of the selected adults believe in reincarnation is less than 0.05

6 0
3 years ago
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