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Sloan [31]
2 years ago
8

PLEASE HELP ASAP ITS FOR A FINAL

Mathematics
1 answer:
azamat2 years ago
3 0

Answer:

1 The minimum number of fire extinguishers for Class A hazards for each floor of a building shall be determined by dividing the total floor area by the maximum area to be protected per extinguisher as determined by Table.

Step-by-step explanation:

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2x+2(1960/x)=200 please help for math hw
sp2606 [1]

Two solutions:

1. x =(100-√2160)/2=50-6√ 15 = 26.762

2. x =(100+√2160)/2=50+6√ 15 = 73.238

3 0
3 years ago
Translate this phrase into an algebraic expression.
Verizon [17]

Answer:

Step-by-step explanation:

9n-2

5 0
2 years ago
Calculate the perimeter of the figure shown below.<br> 5 ft<br> 5 ft<br> 10 ft<br> 18 ft
Rzqust [24]

Answer:

48

Step-by-step explanation:

10+5+18+15

pls mark brainliest

4 0
2 years ago
Help please and show the steps! thank you!​
san4es73 [151]

Answer:

#1.  x = -1

Answer = 8

#2. x = 1/5

Answer = 344/25

#3. x = 14

Answer =  13328

Step-by-step explanation:

#1. a. plug in -1

f(-1)= (5(-1)^3) - (2(-1)^2 - (-1) + 14

b. Solve the exponents.

(5(-1)^3)

(5x-1)

(-5) - (2(-1)^2) - (-1) + 14

(2(-1)^2)

(2x1)

(-5) - (2) - (-1) +14

c. simplify.

(-5) - (2) + 1 + 14

-7 + 15

8

#2.

f(1/5)= (5(1/5)^3) - (2(1/5)^2 - (1/5) + 14

(5(1/5)^3)

(5 x 1/125)

(1/25) - (2(1/5)^2)

(2 x 1/25)

(2/25)

(1/25) - (2/25) - (1/5) +14

(-1/25) - (1/5) +14

Note: (1/5) turns into (5/25) so it can be subtracted.

-6/25 + 14

Note: 14 turns into 350/25 so it can be added.

350/25 - 6/25 = 344/25

#3.

f(14)= (5(14)^3) - (2(14)^2 - (14) + 14

Note: Normally you do the exponents first but I'm just going to casually take out the two 14s at the end cause they cancel each other out.

f(14)= (5(14)^3) - (2(14)^2)

( 5 (14^3))

(5 x  2744)

(13720) - (2(14^2))

(2 (14^2))

(2x196)

392

(13720) - 392

13328

Good Luck!

3 0
3 years ago
Write an equation of the line that passes through the pair of points. (-2, -3), (4,5)
Vlad [161]

Answer:

y=4/3x-1/3

Step-by-step explanation:

7 0
3 years ago
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