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liraira [26]
3 years ago
5

For a back to school sale the price of a calculator is reduceded from 70% to $59.50. What is the answer

Mathematics
1 answer:
Leona [35]3 years ago
7 0
Thats what i came up with $25.50
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Help pls plsssssssss
Salsk061 [2.6K]

Answer:

area = 0.5 \times height \times width \\  = 0.5 \times (x + 2) \times (x +2  - 7) = 4 \\ 4  \div 0.5 = (x + 2)(x - 5) = 8 \\  {x}^{2}  - 3x - 10 = 8 \\  {x}^{2}  - 3x - 18 = 0 \\ (x - 6)(x  + 3) = 0 \\ x =  - 3 \\ x = 6

4 0
2 years ago
Problem 7.1 (10 points) Let pXnqn"0,1,... be a Markov chain with state space S " t1, 2, 3u and transition probability matrix P "
12345 [234]

Answer:

The responses to the given can be defined as follows:

Step-by-step explanation:

For point a:

fixing probability vector that is W = [a b c]

\therefore

relation: WT =W

\to 0.5a+0.3b+0.2c=a ..................(1)\\\\  \to  0.4a+0.4b+0.3c=b..............(2)\\\\  \to  0.1a+0.3b+0.5c=c.................(3)

solving the value:

a=0.3387 \\\\ b=0.3710\\\\ c=0.2903

Therefore the stationary distribution \pi =[0.3387 \ 0.3710\  0.2903]

For point b:

\pi will be limiting distribution if \pi_j=\lin_{n\to \infity} (X_n=\frac{j}{X_0}=i) \Sigma_{\sqrt{j}} n_j=1

\pi satisfies the above condition so, it is limiting the distribution.

3 0
3 years ago
Which equation shows an example of the associative property of addition?
Nat2105 [25]

The associative property states that we can regroup the terms of an expression and obtain the same result.

We have then:

a + (b + c) = (a + b) + c

The expression that complies with this property is given by:

(-4 + i) + 4i = -4 + (i + 4i)

Answer:

An equation that shows an example of the associative property of addition is:

a. (- 4 + i) + 4i = -4 + (i + 4i)

6 0
3 years ago
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rewona [7]
87oz - 80oz = 7oz
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0.0875 x 100% = 8.75%

Ashley increased her water intake by 8.75%.
7 0
4 years ago
12% as a fraction and decimal
Sliva [168]
3/25 and the decimal is 0.12
3 0
3 years ago
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