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seraphim [82]
3 years ago
6

James needs 50 tons of dirt for a large construction project. He already has 3 tons of dirt at the construction site. Each dump

truck can transport 8 tons of dirt. How many trips does the dump truck need to take to reach 50 tons of dirt?
Mathematics
2 answers:
slamgirl [31]3 years ago
5 0
He is going to need at least 6 more dump trucks of dirt. 5 will be completely full, and the last one will have to be at least 88% full.
levacccp [35]3 years ago
4 0
Do 50-3 and u get or the remaining tons of dirt u need, now divide that by8 to get 47 divide by 8 or 5 R7, add 5+1=6 trips or B.

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2. Which of the following statements describes the graph below?
In-s [12.5K]

Answer:

B. and D i think

Step-by-step explanation:

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3 years ago
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Matter is in a liquid state when its temperature is between its melting point and its boiling point. Suppose that some substance
a_sh-v [17]

Answer:

i. When the temperature is above 616.712^{o}F, it changes to gas.

ii. When the temperature is below -33.052^{o}F, it changes to solid.

Step-by-step explanation:

Matter generally exists in either a solid, liquid or gaseous form. With each phase having a certain range of temperature.

Temperature scale of a given substance can be either in Celsius, Fahrenheit or Kelvin. And conversion from one scale to another can be achieved. Example, Celsius scale can be converted to Fahrenheit by:

F = \frac{9}{5} θ + 32

where: F is the equivalent temperature in Fahrenheit, θ is the value of temperature in degree Celsius.

Given that: melting point of the substance = -36.14^{o}C

⇒ F =  \frac{9}{5} x -36.14^{o} + 32

      = -33.052^{o}F

The boiling point = 324.84^{o}C

F =  \frac{9}{5} x  324.84^{o} + 32

  = 616.712^{o}F

The melting point of the substance is -33.052^{o}F, and boiling point is 616.712^{o}F.

Therefore, the range of temperatures for which the substance is not in a liquid state are:

i. When the temperature is above 616.712^{o}F, it changes to gas.

ii. When the temperature is below -33.052^{o}F, it changes to solid.

3 0
3 years ago
5 more than a number y is -2
Nata [24]

Answer:

y + 5 = -2

Step-by-step explanation:

That would be y + 5 = -2

8 0
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Mama L [17]
28:35
Those are divisible by 7 so divide both sides by seven
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3 0
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pantera1 [17]

Answer:

Jordan had 40 stickers.

Step-by-step explanation:

For this ratio, we have David:Ben:Jordan as 8:9:10, and so we need to make it as a more complex fraction, 8/9/10, now we need a multiplier to get us from 9 stickers of Jordan to 36, like a giant one. The common multiplier in this case is 4, and we know that the values must always stay proportional. We multiply everything by 4,and we get a final ratio of 32:36:40, and since Jordan is the last in the ratio David:Ben:Jordan, Jordan ends up with 40 stickers.

3 0
3 years ago
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