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3 years ago

Will 2 objects that are the same size always have the same mass? Use an example to explain

2 answers:

7 0

No a sphere consisting of steel at some dimensions such as 3 ft^3 wouldn't weigh the same as a sphere of silicone at 3 ft^3

lakkis [162]3 years ago

7 0

The objects will not always have the same mass because they might not be made of the same substance. Some substances are heavier or denser than others. For example; A plate made of clay will be lighter than one made out of gold or diamond. Also, if you fill a beaker with water and another with sand at the same level, you will notice that the beaker with sand will be heavier and weigh a lot more than the beaker with water. This is because sand is denser than water. Hope i helped. GOODLUCK.

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A plumber charges a $45 fee to make a house call and then $25 for each hour of labor. The plumber uses an equation in the form

musickatia [10]

Answer:

$25

Step-by-step explanation:

b= 45

x= number of hours

y= amount charged

3 0

4 years ago

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verin said hs dogs weighs 76 pounds. at the vets he actually weighted 78.2 pounds. what is the percent errour. round to the near

melomori [17]

76-78.2= absolute value of 2.2
2.2/78.2= 0.028....
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4 years ago

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What is it 9−(−4+4·(−3))=

mote1985 [20]

Answer:

Step-by-step explanation:

9−(−4+4·(−3))

PEMDAS

Parentheses first

(−4+4·(−3))

Multiply first

(−4+4·(−3))

Multiply and divide

-4+-12

-16

Now replace in the expression

9−(-16)

9+16

5 0

3 years ago

A school bought 32 new desks.each desk cost $24 estimate how the school spent on the new desks.

vitfil [10]

So 32 new desks for $24 each... that would be
32
* 24
_____
768

So $768 total for all the new 32 desks
Hope this helps ;)

8 0

3 years ago

If a rectangle has a length of 4x and a width of x+5 what is the perimeter?

Paul [167]

Answer:

10x + 10 units

Step-by-step explanation:

To find the perimeter of a rectangle, you can simply add up the length and width, and then multiply that sum by 2. The sum of the dimensions is 4x + (x + 5) = 5x + 5 and two times that would then be 2(5x + 5) = 10x + 10.

7 0

3 years ago