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Serhud [2]
3 years ago
7

A 100g ball is placed into a graduated cylinder before the ball was placed inside the water was at 50ml but the ball is 105ml af

ter the ball is placed what is the density of the ball
Mathematics
1 answer:
Sav [38]3 years ago
5 0

Answer:

The answer to your question is: density = 1.82 g/ml

Step-by-step explanation:

Data

mass = 100 g

Volume = 105 ml - 50 ml

             = 55 ml

density = ?

Formula

            density = mass / volume

Process

            density = 100 / 55

            density = 1.82 g/ml

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Which of the following is a correct interpretation of the expression 3 - (-5)?<br> Chanc 1 answer.
Juliette [100K]

Answer:

8

Step-by-step explanation:

3 - (-5)

This can be rewitten to

3 + 5

Why?

2 negatives cancel each other out to make a positive, therefore:

3 + 5 = 8 or 3 - (-5) = 8

5 0
3 years ago
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Mom and Dad have four daughters, and each daughter has one brother. How many people are in the family?
klemol [59]
I would would say 7.

Mom + Dad + daughter + daughter + daughter + daughter + plus one brother = 7

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Which equation is equivalent to x^2 - 16x + 49 = 0?
goblinko [34]
Subtract 49 by its negative so now
x^2-16x=-49
then move -16 so
x^2=-49+16x
then add -49 and 16 so then you get
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3 years ago
What is the prime rate
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Please factor and find the zeros of each relation (18 marks)
AlekseyPX

Answer:

C. \ \frac{-2}{3} , \ \frac{-4}{5}\\\\D. \ -2, \ -4

Step-by-step explanation:

C.

30x^2 + 44x +16 = 0\\\\2(15x^2 + 22 + 8) = 0\\\\2(15x^2 + 12x + 10x + 8) = 0\\\\2(3x(5x + 4)+2(5x + 4))=0\\\\2((3x + 2)(5x + 4)) = 0\\\\Zeroes : 3x + 2 = 0 => x = \frac{-2}{3}\\

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D.

10x^2 + 60x +80 = 0\\\\10(x^2 + 6x + 8)= 0\\\\10(x^2 + 4x + 2x + 8)=0\\\\10(x(x+4)+2(x+4))=0\\\\10((x+2)(x+4))=0\\\\Zeroes : x + 2 = 0 =>x = -2

            x + 4 = 0 => x= -4

3 0
3 years ago
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