Answer: 25% chance
Step-by-step explanation:
4 cards total with only one having number 7 on it so choosing one card...
1/4=.25 or 25%
Have a 1 in 4 chance.
Answer:
The measure of each angle is 143 degrees.
Step-by-step explanation:
We are given the following in the question:
A nonagon in which measure of seven angles are:
138, 154, 145, 132, 128, 147, 130.
Angle sum property of a nonagon:
- The sum of interior angles if a nonagon are 1260 degrees.
Let the two equal angle of nonagon be x degrees. Thus, we can write:
Thus, the measure of two equal angles is 143 degrees.
Answer:
Mekenzie travels at a faster rate.
Step-by-step explanation:
Given that Mekenzie skateboards at a rate of 3 ½ miles every ⅓ hour, and Josh skateboards at a rate of 2 ⅔ every 4 hours:
It is important to have the same unit of measure in these types of word problems. We must convert Josh's travel rate to match Mekenzie's travel rate.
<h3>Mekenzie:
</h3>
"Every ⅓ hour" means 20 minutes because 1 hour = 60 minutes. Hence, ⅓ of 60 minutes = 20 minutes.
3 ½ miles every ⅓ hour = 3.5 miles for every 20 minutes.
<h3>Josh: </h3>
2 ⅔ every 4 hours:
2 ⅔ or 2.666667 = 8/3 miles
8/3 miles every 4 hours = 8/3 ÷ 4 hours = 0.1667 miles for every 1 hour
0.1667 miles for every 1 hour = 0.1667 ÷ ⅓ hour = 0.556 miles every ⅓ hour.
0.556 miles every ⅓ hour = 0.556 miles for every 20 minutes.
Therefore, Mekenzie travels faster than Josh.
Answer:
B) 5 units
Step-by-step explanation:
3-(-1)²+-1-(-4)²=c²
4²+3²=c²
16+9=c²
25=c²
√25=c
5=c