Answer:
Step-by-step explanation:
Given Arithmetic sequence is: 4, 7, 10, 13
Here,
First term (a) = 4
Common Difference (d) = 7 - 4 = 3
nth term of an Arithmetic sequence is given as:
Substituting the values of a and d in the above sequence, we find:
A postulate is accepted as true without proof.
A theorem is an assertion that can be proven ....
Answer:15/31
Step-by-step explanation: because there are 31 kids in all and 15 of them are boys so 15/31
1.6 days per book case. 8 days \ 5 book cases = 1.6 days per book case.
The value of u is 2 in the given right-angled triangle.
The given figure is a right-angled triangle with hypotenuse 'u' and the other two sides as and v.
We have to find the value of 'u' using Pythagoras theorem or trigonometric identities.
<h3>What is Pythagoras theorem?</h3>
It states that the square of the hypotenuse is equal to the sum of the squares of the other two sides.
In a right-angled triangle ABC, if
BC = hypotenuse
AC and AB are the other two sides then,
.
For this problem, we can find the value of u by using trigonometric identities.
From the figure, we have an angle of 45°.
Consider Cos 45°.
Cos Ф = base / hypotenuse
Cos 45° = / u ...........(1)
From trigonometric identities of cosine.
We have,
Cos 45° = 1 / ............(2)
From (1) and (2)
We get,
1 / = / u
u = 2.
Thus the value of u is 2 in the given right-angled triangle.
Learn more about Pythagoras's theorem application here:
brainly.com/question/11687813
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