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alekssr [168]
3 years ago
10

An economic model predicts that the supply, s, and the demand, d, for a new product can be estimated using the

Mathematics
1 answer:
lina2011 [118]3 years ago
7 0
80 is the correct answer
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Ronald spent $133.55 on school clothes. he counted his money and discovered that he had $34.45 left. how much money did he origi
enot [183]
He had $168 at the begging
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3 years ago
Safety regulations require that the time between airplane takeoffs (on the same runway) will be at least 3 minutes. When taking
Alenkinab [10]

Answer:

1.96 planes

Step-by-step explanation:

The computation of the number of planes is shown below:

As we know that

System Inventory  is

= Flow rate in the system × Throughput time

where,

Flow rate is

= Frequency of taken off

= 16 planes ÷ hour

= 16 ÷ 60 Planes per minute

Throughput time  is

=  runway waiting time + runway Run time

= 33 seconds +  6 minutes × 60 seconds + 48 seconds

= 441  seconds

= 441  per 60 seconds

Therefore the number of planes is

= \frac{441}{60} \times \frac{16}{60}

= 1.96 planes

4 0
3 years ago
Simplify the expression where possible. (r 3) -2
Julli [10]
What you do to on side of an equation (=) you must do to the other to keep both sides equal.

r3-2+2=+2  (add 2 to both sides of the equation to simplify the left side)
which becomes
r3=2
r3/3 = 2/3 (divide both sides by 3) Note 3/3 =1 and 1 r is the same as r
which becomes
r=2/3 .
5 0
3 years ago
-6a + 2a= -36 pls help
miv72 [106K]

Answer:

a = 9

Step-by-step explanation:

-6a + 2a = -36

-4a = -36

a = -36/-4

a = 9

5 0
3 years ago
Read 2 more answers
Write the equation of a line in point-slope form that has a slope of 3 and goes through the point (2, -4)
Savatey [412]

Answer:

Step-by-step explanation:

y=mx+b

we know your slope is 3.

so to finish the equation you need to by b

-4=3(2)+b

-4=6+b

2=b

equation y=3x+2

6 0
3 years ago
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