3 years ago

Which are correct definitions for history?

1 answer:

6 0

B. An account of the impact of human behavior on the environment, C. the story of human activity before writing was developed, D. the story of change over time documented with evidence.

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Convert 8100 mg to grams <br> help me ?

sashaice [31]

It would be 8.1 grams

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3 years ago

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Lorena is driving a truck that is painting the lines on a new road. The lines she paints are 0.152 meters wide, and she will pai

Alina [70]

Answer:

8.284 × 10^4 m^2

Step-by-step explanation:

The area is the product of length and width:

(5.45·10^5 m)·(0.152 m) = 0.8284·10^5 m^2 = 8.284·10^4 m^2

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3 years ago

an ice cream factory makes 190 quarts of ice cream in 5 hours how many quarts could be made in 48 hours?what was the rate per da

GREYUIT [131]

190/5= rate per hour 38

38 (rate per hour)*48 (given hours)= 1824 quarts

38(rate per hour)* 24 (hours in a day)= 912 quarts per day

1824(quarts made in two days (48 hours))/2=912 quarts per day

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3 years ago

Use a single digit times a power of 10 to express the number 866,214,000,000

BartSMP [9]

Answer:

8.66214 x 10^11

Step-by-step explanation:

question may ask to round, so the answer may be simplified to 9 x 10^11

3 0

3 years ago

What is 3(2x+1)+2(x+3) Help please x

katrin [286]

Answer:

8x + 9

Step-by-step explanation:

Treat the question as 2 separate brackets

First expand 3(2x + 1) :

6x + 3

Then expand 2(x + 3) :

2x + 6

Now add the two answers together and simplify :

= 6x + 3 + 2x + 6

= 8x + 9

hope this helps :)

8 0

3 years ago

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