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katrin2010 [14]
3 years ago
8

25% video game for 20% off sales tax is 9%

Mathematics
1 answer:
svet-max [94.6K]3 years ago
4 0

Answer:

<h2>.59</h2>

Step-by-step explanation:

25% = .25

20% = .20

9% = .09

.25+.20+.09=.59

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Two faulty machines, M1 and M2, are repeatedly run synchronously in parallel (i.e., both machines execute one run, then both exe
leonid [27]

The event that either M1 or M2 fails has probability

P(M_1\text{ fails or }M_2\text{ fails})=P(M_1\text{ fails})+P(M_2\text{ fails})-P(M_1\text{ and }M_2\text{ both fail})

by the addition rule. Failure events are independent, so

P(M_1\text{ and }M_2\text{ both fail})=P(M_1\text{ fails})P(M_2\text{ fails})

so that

P(M_1\text{ fails or }M_2\text{ fails})=p_1+p_2-p_1p_2

Denote this probability by p. Then X follows a geometric distribution with this parameter p and has density

P(X=x)=\begin{cases}(1-p)^{x-1}p&\text{for }x\ge1\\0&\text{otherwise}\end{cases}

The expectation is \dfrac1p=\dfrac1{p_1+p_2-p_1p_2}.

7 0
4 years ago
A company distributes college logo sweatshirts and sells them for $50 each. The total cost function is linear, and the total cos
mart [117]

Answer:

The total revenue equation is TR=50Q

The total cost equation TC=2304+14Q

Equilibrium quantity is 64

Step-by-step explanation:

The total cost function can be written TC=a+bQ, where TC is the total cost ,a fixed cost ,b is the variable cost per unit and Q the quantity produced

Revenue function can be given TR=P*Q, where TR is total revenue,P is the price per unit and Q quantity sold

since P is $50

TR=50P

when TC=$3564,

3564=a+90Q equation 1

when TC=$5944

5944=a+260bequation 2

Solving simultaneously,we subtract equation 1 from 2

5944=a+260b

3564=a+90b

2380=170b

b=2380/170

b=$14

We substitute for b in any of the equations

3564=a+(14*90)

3564=a+1260

a=3564-1260

a=2304

Hence the total cost equation is

TC=2304+14Q

At equilibrium TC =TR

50P=2304+14Q

50P-14Q=2304

36Q=2304

Q=64

5 0
3 years ago
The sum of two numbers is 250 what is the average of the two numbers
sdas [7]

Answer:

125

Step-by-step explanation:

5 0
3 years ago
What annual rate of interest would you have to earn on an investment of $3500 to ensure receiving $273.00 interest after 1 year?
kogti [31]

To find the answer, we will have to find the percentage of $273 to $ 3500, and we can use the formula:

\frac{interest received}{investment amount} \times 100%

In this case:

273/3500 x 100%

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=7.8%

Therefore the annual interest rate would be 7.8%.

Hope it helps!

8 0
3 years ago
PLS FIND THE VALUE OF Y AND X THANKSSSS &lt;3
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Answer:

x = 1.5

y = 8

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3 years ago
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