3 years ago

A high speed elevator can rise 480 feet in 30 seconds. Which expression represents the rat9,in feet per minute,of the elevator

1 answer:

4 0

Y=60x+960 is the answer

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IgorC [24]

Answer:

Factoring

Step-by-step explanation:

(x+4)² = 15

x² + 8x + 16 = 15

x² + 8x + 1 = 0

$x = \frac{ - 8 + \sqrt{64 - 4} }{2} = - 4 + \sqrt{15} \\ \\ x = \frac{ - 8 - \sqrt{64 - 4} }{2} = - 4 - \sqrt{15}$

I hope this helps you :)

7 0

2 years ago

sp2606 [1]

Answer:

cant see 32

Step-by-step explanation:

5 0

3 years ago

labwork [276]

Answer:

Math isnt my strongest subjuect but i believe it it right.

4 0

3 years ago

sveta [45]

Answer:

Step-by-step explanation:

3.5*4.5=15.75 ft^2

15.75/5.25=3 bags

8 0

2 years ago

zaharov [31]

A=p(1+i/m)^mn
P=3168
i=0.1275
M=12
n=3/12
A=3,168×(1+0.1275÷12)^(12*3/12)
A=3,270.06

7 0

2 years ago