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2 years ago

Kevin bought 4 pizzas to share with friends. If each person has 2/3 of a pizza how many friends can have pizza?

Mathematics

1 answer:

rjkz [21]2 years ago

7 0

Divide 4 pizzas by 2/3:

When you divide using a fraction, reverse the second fraction and multiply:

4 / 2/3 = 4 x 3/2 = 12/2 = 6 people.

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A washer and dryer cost $803 combind the washer costs $47 less then the dryer whats is the cost of the dryer

Naddik [55]

Answer:

the dryer costs $425

Step-by-step explanation:

x = washer

y = dryer

x + y = 803

x = y - 47

using the second equation a substitute in the first equation we get

y - 47 + y = 803

2y = 850

y = $425

FYI

x = y - 47 = 425 - 47 = $378

3 0

2 years ago

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What is the equation between the points (2,3) and (-2,6)

zlopas [31]

The equation between the points (2, 3) and (-2, 6) is “y = -3/4x + 9/2.

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2 years ago

Let P = 0.50.30.50.7 be the transition matrix for a Markov chain with two states. Let x0 = 0.50.5 be the initial state vector fo

pav-90 [236]

Answer:

Probability distribution vector = $\left(\begin{array}{c}0.375\\ 0.625 \end{array} \right)$

Step-By-Step Explanation

If $P=\left(\begin{array}{cc}0.5&0.3\\ 0.5&0.7 \end{array} \right)$ is the transition matrix for a Markov chain with two states.

$x_{0}=\left(\begin{array}{c}0.5\\ 0.5 \end{array} \right)$ be the initial state vector for the population.

$X_{1}=P x_{0}=\left(\begin{array}{cc}0.5&0.3\\ 0.5&0.7 \end{array} \right) \left(\begin{array}{c}0.5\\ 0.5 \end{array} \right) =\left(\begin{array}{c}0.4\\ 0.6 \end{array} \right)$

$X_{2}=P^{2} x_{0}=\left(\begin{array}{c}0.38\\ 0.62 \end{array} \right)$

$X_{3}=P^{3} x_{0}=\left(\begin{array}{c}0.38\\ 0.62 \end{array} \right)$

$X_{30}=P^{30} x_{0}=\left(\begin{array}{c}0.37499\\ 0.625 \end{array} \right)$

In the long run, the probability distribution vector Xm approaches the probability distribution vector $\left(\begin{array}{c}0.375\\ 0.625 \end{array} \right)$ .

This is called the steady-state (or limiting,) distribution vector.

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2 years ago

Does 6(x + 5) = 6x + 11 , have on solution, infinitely many solutions, or no solutions?

choli [55]

Answer:

no solution

Step-by-step explanation:

hello

$6(x+5)=6x+11\\ 6x+30=6x+11\\ 30=11$

this is always false so there is no solution

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2 years ago

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Solve the following equation by completing the square 2x^2+6x+1=0

dangina [55]

Answer:

10x+1=0

Step-by-step explanation:

square the 2x then add the similar base units

5 0

2 years ago