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sergeinik [125]
4 years ago
13

If an object fell to the ground from the top of a 1,600-foot-tall building at an average speed of 160 feet per second, how long

did it take to fall?
Mathematics
2 answers:
Rufina [12.5K]4 years ago
5 0
The answer is 10 seconds.
anzhelika [568]4 years ago
3 0
Well 1,600/160= 10
so it will take 10 seconds to reach the ground not taking in any variables such as wind carrying it to the side and suspending in the air any longer so
=10 seconds
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The difference of two numbers is 30. their quotient is 6. what are the two numbers
BlackZzzverrR [31]
Well, the quotient must be bigger/smaller

lets say the numbers are x and y
x>y

so
x-y=30 and x/y=6
multiply both sides by y in 2nd equation
x=6y
subsitute 6y for x in other equation

6y-y=30
5y=30
divide by 5
y=6

sub back
x=6y
x=6(6)
x=36


the numbers are 36 and 6

but they could also be -36 and -6 because -36/-6=6 and -6-(-36)=30


the 2 numbers are 36 and 6 or -36 and -6
8 0
4 years ago
Please help me its due at 12a.m please and ty i'll give brainlisted
anzhelika [568]
Answer for IA 2 Review: 9 people including themself. 27.5+15=42.5 400/42.5 is about 9 people bc u can’t cut someone into pieces so it’s 9
8 0
3 years ago
Read 2 more answers
Can someone help with question 3 pls
e-lub [12.9K]

<u>a. \: 11.4</u>

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3 0
3 years ago
Billy Found The Slope of the line through the points (2,5) and (-2, -5) using the equation shown in the picture below. What mist
Nady [450]

Answer: the numbers were negative so he needed to add the positive numbers to that equation (I think sorry if I’m wrong)

Step-by-step explanation:

7 0
3 years ago
The world brand of rivet placement is 11209 rivets in 9 hours and belongs to J. Mair of Ireland. If another person places 11209
Ilya [14]

Answer:

4.74 hours

Step-by-step explanation:

Given that both person have to place same number of rivets that is

11209

first person take 9 hours to complete the work

hence 1 hour work of 1st person is \frac{1}{9} of total work

second person takes 10 hours to complete the same work

hence 1 hour work of 2nd person is \frac{1}{10}

Now if both work together then

1 hour work of both person = \frac{1}{9} +\frac{1}{10} =\frac{19}{90}

thus working together they need \frac{90}{19} hours = 4.74 hours to complete the whole work which is placing 11209 rivets  

5 0
3 years ago
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