Answer:
An hour and 30 minutes.
Step-by-step explanation:
In one hour, they travel 8 kilometers. They then have 4 kilometers left. 4 is half. of 8, so I would possibly take half the time it would to travel 8, making it 30 minutes for the other 4 kilometers.
63,360 is how many inches are in a mile
7 = r^1/2 is the same as saying 7 = square root of r. So, to get rid of the square root sign on the r, you need to square it, and when you do something to one side of the equation, you have to do the same to the other side. So after squaring both sides, you get 49 = r.
Answer:
14%
Step-by-step explanation:
1. The formula to find percent change is
. Now, all we have to do is plug in the values to their corresponding variable.
2. (Solving)
- 14%
Answer:
- The value of 0.9* 10² is <u>D</u><u>.</u><u>9</u><u>0</u><u>.</u>
- <u>4</u><u>*</u><u>(</u><u>1</u><u>2</u><u>-</u><u>8</u><u>)</u><u>+</u><u>2</u><u>³</u>
a.
<u>False</u><u> </u><u>:</u><u> </u><u>it</u><u> </u><u>is</u><u> </u><u>to</u><u> </u><u>add</u><u> </u><u>1</u><u>6</u><u>+</u><u>8</u>
<u>b</u><u>.</u>
<u>False</u><u> </u><u>:</u><u> </u><u>its</u><u> </u><u>8</u><u>.</u>
<u>c</u><u>.</u>
<u>True</u><u>.</u>
<u>d</u><u>.</u>
<u>False</u><u> </u><u>:</u><u> </u><u>its</u><u> </u><u>2</u><u>4</u><u>.</u>
<u>3</u><u>.</u>
<u>side</u><u> </u><u> </u> of cube [a]=2ft
volume of cube [V]=a³=2³=8ft³
<u>He</u><u> </u><u>needs</u><u> </u><u>1</u><u> </u><u>bag</u><u> </u><u>to</u><u> </u><u>buy</u><u>.</u><u>As</u><u> </u><u>its</u><u> </u><u>volume</u><u> </u><u>is</u><u> </u><u>equal</u><u>.</u>