Answer:
38 degrees
Step-by-step explanation:
The angle can be found using the Law of Cosines:
a² = b² +c² -2bc·cos(A)
cos(A) = (b² +c² -a²)/(2bc) = (3² +7² -5²)/(2·3·7) = 33/42
A = arccos(33/42) ≈ 38.213°
The measure of angle A is about 38°.
Answer:
30=3x+6
Step-by-step explanation:
Answer:
<em>The probability that exactly 2 of the rolls is a sum of 7 will is </em><em>0.296</em>
Step-by-step explanation:
The probability of rolling a sum of 7 when rolling two dice simultaneously is 0.167.
Let us assume that, A be the event that the sum is 7. So,
Binomial probability represents the probability that a binomial experiment results (i.e either success or failure or only two results) in exactly x successes.
So the probability that exactly 2 of the rolls is a sum of 7 will be,
Answer:
The answer is 6,3
Step-by-step explanation:
The coordinates (6,3) are located inside of the triangle.
I hope this helps you! :]
Answer: 5.5km
Step-by-step explanation:
The scale given 1 : 25 000 , and it was said that on the map , the distance between two railway stations is 22 cm , this means that the scale of the map is 1: 25000 cm.
The scale 1 : 25 000 means that each centimeters on the map represent 25 ,000 in real life ,therefore , to calculate the real distance between the two railway station , we have
25,000 X 22
= 550000 cm
To convert this to km
Recall that
1 km = 100,000 cm
Therefore we will divide the answer by 100,000 , that is
550000/100000
= 5.5 km
Therefore , the real distance between the two railway stations is 5.5km