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skelet666 [1.2K]
2 years ago
5

Last question will give Brainliest sorry if its a little blurry

Mathematics
2 answers:
vovangra [49]2 years ago
5 0

Answer:

it would take 16 minutes

Step-by-step explanation:

32,000 (height) ÷ 2000 (decent) = 16 (time it takes to land)

Nana76 [90]2 years ago
5 0

Answer: 16 minutes

Step-by-step explanation:

I not too sure about my answer

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Solve. Write the solution in interval notation. -2x>-8 and -5x<20.
Novosadov [1.4K]

Answer:

The interval notation of the solution is (-4 , 4)

Step-by-step explanation:

* Let us explain a very important point in solving inequality

- When you multiply or divide an inequality by negative number we

   must reverse the symbol of the inequality

- Ex:

∵ 2 < 3

- If we multiply the both sides of the inequality by -1, then the

  inequality will be -2 < -3 and this is completely wrong, so we must

  reverse the symbol of the inequality

∴ -2 > -3

* Now let us solve the problem

∵ -2x > -8

- Divide both sides by -2 and remember to reverse the symbol of the

  inequality

∴ x < 4

∵ -5x < 20

- Divide both sides by -5 and remember to reverse the symbol of the

  inequality

∴ x > -4

- From both solutions

∴ -4 < x < 4

∴ The solution is {x : -4 < x < 4}

- Interval notation is a way of writing the solutions of inequalities

 ( , ) if x does not equal the end numbers

 [ , ] if x equals the end numbers

 [ , ) , ( , ] if x equals one of the two end numbers

* The interval notation of the solution is (-4 , 4)

4 0
3 years ago
Evaluate the expression 4^3÷(7-3) × 2 PLEASE HURRY AND HELP ME I DONT HAVE MUCH TIME TILL ITS DUE ​
docker41 [41]

Answer:

The answer is 32.

Step-by-step explanation:

7 0
2 years ago
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Mr. Webster is buying a carpet for an exercise room in his basement the room will have an area of 230 ft.².
kumpel [21]
Mr. Webster is buying a carpet for an exercise room in his basement the room will an area of 230 ft
5 0
3 years ago
Can someone Please help me? How did I get this question wrong? I chose the last option, but that's incorrect. Please answer asap
Tatiana [17]
(-8,1) it being reflected to the other side so just move the points 
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3 years ago
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CAN SOMEONE PLEASE HELP ME SOLVE THIS I WILL GIVE U BRAINIEST PLEASE AND THANK YOU.!
Arisa [49]

Answer:

Step-by-step explanation:

SIMPLE 30 X 30

8 0
3 years ago
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