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34kurt
3 years ago
14

The Hoover Dam backs up the Colorado River and creates Lake Mead, which is approximately 115 miles long and has a surface area o

f approximately 250 square miles. If during the flood conditions the Colorado River flows into the lake at a rate of 40,000 cfs and the outflow from the dam is 7500 cfs, how many feet per 24-hour day will the lake level rise
Business
1 answer:
kvv77 [185]3 years ago
4 0

Answer:

0.403ft/day

Explanation:

Area = 250 miles = 250 × 5280^2= 6.9696e9 ft

Rise per sec = (Flow in - Flow out)/Area of lake = (40,000 - 7,500)/(6.9696e9) = 4.663e-6ft/s

Therefore in 24 hours = 4.663e-6 × 3600 × 24 = 0.403ft/day

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While similar in some respects, the key difference between panel data and pooled cross-sectional data is that panel data consist
elixir [45]

Answer:Yes

Explanation:

Pooled data occur when there is a time series of different cross sections with each observations not necessarily from the same unit while Panel data is sample from the same units. The main difference between them is the "units". The units can be countries, households, schools or other things we are collating data on.

In pooled cross section, random samples from different time periods and from different units are taken e.g. we can take data on number of females and males in schools A, B and C in 2020 and schools X, Y and Z in 2023.

In pure panel data, we are using the same units e.g we can take data on genders in schools A, B and C in 2020 and collect data from the same schools in 2023. Therefore the main difference is just the units we observe.

5 0
3 years ago
Harmony Company sells hand-knit scarves. Each scarf sells for $40. The company pays $60 to rent vending space for one day. The v
Nataly_w [17]

Answer:

B) 3 scarves

Explanation:

total fixed costs per day = $60 (rent)

selling price per scarf = $40

variable cost per scarf = $15

contribution margin = selling price per unit - variable cost per unit = $40 - $15 = $25

break even formula in units = total fixed costs / contribution margin = $60 / $25 = 2.4 units, since you can only sell complete units, the break even amount is 3 scarves.

8 0
3 years ago
What are doctors paid by in the US and in the UK?
Wewaii [24]
Hope this helped you
5 0
3 years ago
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Suppose for a given consumer the marginal utility (MU) of a pizza is 100 utils and the MU of a hamburger is 80 utils, and that t
NemiM [27]

Answer:

<u>is not</u> , <u>consume more of hamburgers</u>

Explanation:

A consumer is said to have achieved equilibrium when within his budget constraint, he purchases that combination of two goods which yield maximum satisfaction to him.

The equation for consumer equilibrium for two products is given by

\frac{MU_{x} }{P_{x} } = \frac{MU_{y} }{P_{y} }

In the given case, \frac{MU_{x} }{P_{x} } = \frac{100}{15} = \frac{20}{3} = 6.666

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wherein, x= pizza

              y= hamburger

As is evident, the marginal utility per dollar spent is greater in case of a hamburger, the consumer is not in a state of equilibrium.

Thus, he should consume more units of Hamburgers in order to maximize his utility.

3 0
3 years ago
An economy is created by the interactions between which two groups of people? (Select the best answer.)
Veronika [31]
<span>An economy is created by the interactions between producers and consumers.</span>
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