A hot air balloon descends at a rate of 320 feet per minute for 3 minutes. Use integers to calculate andrepresent the balloon's total change in altitude

Answers

Answer 1
Answer: Given:
descends at a rate of 320 feet per minute for 3 minutes.

320 feet per minute * 3 minutes = 960 feet

Total change in altitude is 960 feet. Since it is descending, I believe it would be a negative 960 feet.
Answer 2
Answer: negative 960 feet per minute

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Without using a calculator, determine whether 1728 is a perfect square, perfect cube, or neither.

Answers

It's a perfect cube.

How much is 19.5% of 600?

Answers

19.5% of 600 is 117.            
19.5% = 0.195

0.195 * 600 = 117

The system of equations is coincident. What are the missing values?

-2x+5y=-12
-6x+____y=____

Answers

the equation is
-6x+15y=36, and you get the answer by multiplying the first equation by 3

.Resolva as equações, sendo U = Q (separe as respostas por vírgulas). A) 3y - 2 = - y + 4 B) 5 - 4x = x + 3 + 2x C) - 12 - 9x = - 4 - 12x D) - x - 6 + 3x = -2x + 8x + 15

Answers

Answer:

(A) y=1.5

(B)x=\frac27

(C)x=2\frac23

(D)x=-5.25

Step-by-step explanation:

(A)

3y - 2 = - y + 4\n3y+y=4+2\n4y=6\ny=\frac64\n\ny=1.5

(B)

5 - 4x = x + 3 + 2x\n5 - 4x = 3 +3x\n5-3=3x+4x\n7x=2\nx=\frac27

(C)

-12 - 9x = - 4 - 12x\n-9x+12x=-4+12\n3x=8\nx=\frac83\n\nx=2\frac23

(D)- x - 6 + 3x = -2x + 8x + 15

2x-6 = 6x + 15\n2x-6x=15+6\n-4x=21\nx=(21)/(-4) \n\nx=-5.25

Perform the operations
( 8x^2 y^5) (3x y^4)

Answers

( 8x^2 y^5) (3x y^4)=8x^2 y^5\cdot3x y^4=24x^3y^9


(8x^2y^5)(3xy^4)

24x^3y^9

Solve for x.

6x + 2 = 14

Answers

6x + 2 - 2 = 14 - 2
6x/6 = 12/6
x = 2