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const2013 [10]
2 years ago
13

It is recommended that one fire extinguisher be available for every 4,520 square feet in a building. Write and solve an equation

to determine x, the number of fire extinguishers needed for a building that has 88,140 square feet.
Mathematics
1 answer:
Stels [109]2 years ago
3 0

Answer:

There are 19.5 extinguishers needed.

Step-by-step explanation:

Given that,

One fire extinguisher be available for every 4,520 square feet in a building.

We need to find the value of x if the number of fire extinguishers needed for a building that has 88,140 square feet.

x = (Area of building)/(Area of one fire extinguisher)

So,

x=\dfrac{88140}{4520}\\\\x=19.5

So, there are 19.5 extinguishers needed.

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An airline knows that on average about 5 percent of the people who make reservations on a certain flight will not show up. Conse
kolbaska11 [484]

Answer:

Probability that there will be a seat available for every passenger who shows up is 50/50 or 49/50

Step-by-step explanation:

Since it is known that 5percent of people who make reservations would not show up.

Therefore 5% of 52 sold ticket is

5/100 x 52 = 2.6

That is 2 or 3 people who make reservations would not show up.

Which means 52 - 2 or 52 - 3 people would show up

50 or 49 people would show up

Since the flight can hold just 50 people

The probability that everyone that shows up would have a seat is therefore =

50/ 50 or 49/50

8 0
3 years ago
Suppose f(x)=x^2. what is the graph of g(x)=f(4x)?
kirza4 [7]
G(x)=f(4x)
f(x)=x²
f(4x)=(4x)²
g(x)=(4x)²=16x²
g(x)=16x²

4 0
3 years ago
Read 2 more answers
the price of a lamp is $18.50 cents the sales tax is 4% which is the total price including the sales tax?​
Semenov [28]

Answer:

The answer is $19.24

Step-by-step explanation:

$18.50/100

0.185 = 1%

0.185 x 4 = 0.74

18.50 + 0.74 = $19.24

7 0
2 years ago
100 POINTS!!! ALGEBRA 1 PLEASE HELP!!! BRAINLIEST IF CORRECT
Ainat [17]

Answer:

<h2>1. (-6, 0) and (-1, 0)</h2><h2>2. not exist</h2><h2>3. (5, 0)</h2>

Step-by-step explanation:

The zeros of a quadratic function are x-intercepts of parabola.

Graph #1:

x = -6 and x = -1

Graph #2:

not exist

Graph #3:

x = 5

5 0
2 years ago
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The area of a circle is 100 square miles. What is the diameter?
adell [148]

Answer:

The diameter of a circle with an area of 100 square miles is 20/√π miles.

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diameter = d = 2r.

100 = πr^2.

100/π = r^2.

√(100/π) = r.

10/√π = r.

d = 2r.

d = 2 * 10/√π.

d = 20/√π

5 0
2 years ago
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