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Elis [28]
3 years ago
15

A 250 mL beaker can hold 0.192 kg of acetone. What is the density of this substance, in g/mL? Round your answer to 3 significant

digits.
Mathematics
1 answer:
Andreyy893 years ago
3 0
Density = m/v with mass being in grams and volume in mL......
192 grams/250 mL = 0.768 g/mL
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16x^2-40x+25 Yes I know my phone is messed up but at least you got the answer

6 0
3 years ago
Which ordered pair is a solution of the equation? 2x+4y=6x-y OPTION A: Only (4,5) OPTION B: Only (5,4) OPTION C Both A and B OPT
sammy [17]

Answer:

option b

Step-by-step explanation:

replace x and y with the x and y of the ordered pair

option a: 2(4)+4(5)=6(4)-5

solve

8+20=24-5

28=19  not true

option b:2(5)+4(4)=6(5)-4

solve

10+16=30-4

26=26  true

6 0
3 years ago
Write an expression for the area of the rectangle below.
sesenic [268]

Answer: C

Step-by-step explanation:

1) Multiply (2x+8)(6x+2)

2) After you do the math you will get 12x^2+52x+16

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5 0
4 years ago
PLEASE HELP!!!!<br> i need help on all of these but if you only have 1 answer that’s still great
hodyreva [135]

Answer:

n = -6

x = -7

n = 27

Step-by-step explanation:

Question 1

-3n - n + 12 = 36

First we get all the variables to one side using subtraction property of equality.

-3n - n + 12 (-12) = 36 (-12)

-4n = 24

divide by the coefficient of n to isolate the variable

-4n/-4 = 24/-4

n = -6

Question 2

-2x - 3x - 15 = 20

-5x - 15 = 20

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x = -7

Question 3

3 + n/9 = 6

Isolate the n variable

n/9 = 6 - 3

multiply by 9

n = 27

7 0
3 years ago
Read 2 more answers
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ira [324]

Answer:

scatter plot :)

Step-by-step explanation:

6 0
3 years ago
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