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SVETLANKA909090 [29]
3 years ago
8

An object has a mass of 18 grams and its volume is 2 cm3 calculate density

Mathematics
2 answers:
Anna [14]3 years ago
6 0
The density is 9 g/cm3
statuscvo [17]3 years ago
5 0

Answer: 9\ gm/cm^3

Step-by-step explanation:

The formula to find the density is given by :-

\text{Density}=\dfrac{\text{Mass}}{\text{Volume}}

Given : Volume of object = 2 cm^3

Mass of object = 18 grams

Then., the density will be :-

\text{Density}=\dfrac{18}{2}=9\ gm/cm^3

Hence, the density of the object would be 9\ gm/cm^3.

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Serggg [28]

Answer:

B

Step-by-step explanation:

The <u>Elimination Method</u> is the method for solving a pair of linear equations which reduces one equation to one that has only a single variable.

  • If the coefficients of one variable are opposites, you add the equations to eliminate a variable, and then solve.
  • If the coefficients are not opposites, then we multiply one or both equations by a number to create opposite coefficients, and then add the equations to eliminate a variable and solve.

When multoplying the equation by a coefficient, we multiply both sides of the equation (multiplying both sides of the equation by some nonzero number does not change the solution).

So, option B is not allowed (it is not allowed to multiply only one part of equation)

8 0
3 years ago
How do you Simplify 16/12
vlada-n [284]
You need to find a common factor that both the numerator and denominator have. 16 and 12 have common divisible factors of 2 and 4(excluding 1, because 1 is self-defined but doesn't simplify values at all). 

We use the highest factor, in this case, 4. 

Divide 16 by 4 and 12 by 4.

16/4 = 4
12/4 = 3

We put 4 in place of the numerator and 3 in place of the denominator.

\frac{4}{3}
4 0
3 years ago
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I need help with number 17
Minchanka [31]
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3 years ago
A juice company produces 8,064 cartons of juice in 21 days. Each day, they produced the same number of cartons and delivered tho
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prohojiy [21]

Answer:  x=6

The two angles shown in each are complementary because they add up to 90°.

10 & 12 would be supplementary to one another because they would add up to 180°.

Step-by-step explanation:

We know that on both 10 & 12 the angles add up to equal 90° so...

10.  8x+7x=90

15x=90

x=6

12.  it's the same in pic as 10

The two angles shown in each are complementary because they add up to 90°.

10 & 12 would be supplementary to one another because they would add up to 180°.

5 0
2 years ago
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