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Tanya [424]
3 years ago
14

How could i determine the volume of an object that had an irregular shape? (i can’t measure it with a ruler)

Mathematics
1 answer:
goblinko [34]3 years ago
5 0

Answer:

The volume of an irregular shape can be found by placing it in a can (of known volume) of water. The amount of water the shape displaces is equal to its volume.

Boat will float. It has a lower density that that of water.

Step-by-step explanation:

If an object has a lower density than the fluid it is in, it will float. If higher, it will sink.

Assuming the water is at room temperature:

Density of water,p_{w}=1000kg/m^3

Density,   p = \dfrac{m}{V}

Mass of boat=19,000,000

Volume of boat=45,000m^3

p_{b}=\frac{19,000,000kg}{45,000m^3}\\p_{b}=422.22kg/m^3

p_{w}>p_{b}

Therefore the boat will float on water.

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7 0
4 years ago
Which of the following is the solution for 7 - 4x ≥ 35 ?
melamori03 [73]
There are no solutuons listed (says which of the following). My answer below should be in the list to choose from.

7 - 4x ≥ 35
subtract 7 from both sides

-4x ≥ 28
divide both sides by -4 AND change the direction of the inequality sign because we're dividing by a negative

x ≤ -7

CHECK:
7 - 4x ≥ 35
7 - 4(-7) ≥ 35
7 + 28 ≥ 35
35 ≥ 35

ANSWER: x ≤ -7

Hope this helps! :)
7 0
4 years ago
Which of the numbers below are exactly divisable by 9?<br>A)115<br>B)504<br>C)968<br>D)646<br>E)882
WINSTONCH [101]
Okay. So in order to solve this problem, we really have to try out each answer and divide it by 9. A is not correct, because it does not divide evenly. B works, but let's check the others. C and D do not work, but E also works as well. If you can have two answers, 504 and 882 are both exactly divisible by 9. The answers are B: 504 and E: 882.
4 0
3 years ago
Read 2 more answers
A rectangle has an area of 3 3/4 square feet. the length is 1 1/2 . what is the width
Law Incorporation [45]

Answer:

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Step-by-step explanation:

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Then you turn 1 1/2 into an improper fraction .To do that you multiply the denominator x the whole number + the numerator =2x1+1=3/2

15/4 divided by 3/2 but get your answer you have to reverse 3/2 into 2/3 and you multiply instead of dividing .

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3 years ago
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PSYCHO15rus [73]
Is it any fraction? if so 6/16 and 2/8 are equivalent
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3 years ago
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