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3 years ago

Mr. Russo exchanged 200 euros (European money) for 270 dollars. How many dollars would

Mathematics

1 answer:

padilas [110]3 years ago

4 0

Answer: 405 dollars

Step-by-step explanation:

200 * x = 270

x = 270 * 300/200. x =405 dollars

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a person walks 80 feet in 40 seconds. what equation represents this relationship. how many feet will the person walk in 10 secon

larisa [96]

Answer:

20 feet

Step-by-step explanation:

$\frac{80 feet}{40 seconds}$ = $\frac{x feet}{10 seconds}$

Simplify $\frac{80}{40}$

$\frac{80}{40}$ = $\frac{2}{1}$

Every 1 second, a person will walk 2 feet.

$\frac{x}{10}$ = $\frac{20}{10}$

X = 20 feet

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3 years ago

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3 years ago

7. Solve and check.

andrew11 [14]

A) 15.24
B) -1.47
C) -5.06
D) -5
E) 0.25
F) 0.1

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3 years ago

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A new pop-up restaurant serving high-end street tacos just opened and is expected to have high demand based on the chef's prior

Harman [31]

Answer:

1. c

2. f

3. d

Step-by-step explanation:

This type of queuing model is an example of "single-channel, single-phase" process.

However, from the information given:

The inter-arrival rate = 10 customers per hour

Arrival time = 6 minutes

Service time = 5 minutes

∴

utilization = service time/arrival time

= 5/6

Time on queue $T_q = p \times \dfrac{utilization }{1 - utilization} \times \dfrac{Cv_a^2 -Cv_b^2}{2}$

$T_q = 5 \times \dfrac{5/6 }{1 -5/6} \times \dfrac{(2.58^2 -0.75^2)}{2}$

$T_q = 25 \times 3.60945$

$T_q = 90.24 \\ \\ T_q \simeq 90 \ mins$

Thus, customer waiting in the queue line is;

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Thus, new customers will have to wait in a total time of;

= waiting time + service time

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3 years ago

What is x? 828.75=x+(x*2.1*5)/(100)

Mandarinka [93]

Answer:

$828.75=\frac{x+\left(x\cdot \:2.1\cdot \:5\right)}{\left(100\right)}$

Multiply both sides by 1150

$\frac{1150\left(x+x\cdot \:2.1\cdot \:5\right)}{100}=828.75\cdot \:1150$

$132.25x=953062.5$

Now Divide both sides by 132.25

$\frac{132.25x}{132.25}=\frac{953062.5}{132.25}$

$x=7206.52173$

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3 years ago