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Vikentia [17]
2 years ago
9

Find sin(a-B), if cosa=1/3, cosB=1/4, a=(0;180), B(-90;0)

Mathematics
1 answer:
alina1380 [7]2 years ago
5 0

Give me some hint please

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. Samantha is three times as old as Jason. The sum<br> of their ages is 56 years. How old is each?
8_murik_8 [283]

Step-by-step explanation:

let age of samantha be 3x and age of jason be x.(since samantha is three times as old as jason)

Now,

3x+x=56 (sum of their ages is 56)

or 4x=56

or x=56/4

or x=14

therefore age of samantha=3x=3×14=42

age of jason = x = 14

4 0
2 years ago
Consider two bases B = {b1, b2, b3} and C = {c1, c2, c3} for a vector space V such that
Helen [10]
I’m a failure if you can just say “yes you are” in the comments
3 0
2 years ago
ANSWER FOR 20 POINTS!
Eva8 [605]
C d b a are the answers hope I helped
7 0
3 years ago
These are lines in a plane that are always the same distance apart and never intersect. What are they? *​
Pavlova-9 [17]

Answer:

Parallel lines

Step-by-step explanation:

Parallel lines never intersect and are always same distance apart.

Hope this helps, thank you :) !!

3 0
3 years ago
Read 2 more answers
Nick has designed a diamond shaped kite as shown below. The measures of some sides of the kite are marked in the figure. Find th
Zepler [3.9K]

Answer:

<h2>x = 3.499 in</h2>

Step-by-step explanation:

       In a kite, the diagonals are perpendicular. Hence \Delta DOC is a right angled triangle.

       DC=7\text{ }in,\text{ }OC=5\text{ }in

From Pythagoras theorem, since \Delta DOC is a right angled triangle, DO^{2}+OC^{2}=DC^{2}.

      Area of \Delta DOC = \frac{1}{2}\times base\times height

=\frac{1}{2}\times DO\times OC=\frac{1}{2}\times OP\times DC\\(2\sqrt{6})\times(5)=(7)\times(OP)\\OP=3.499\text{ }in

From diagram OP=x

∴ x=3.499\text{ }in

7 0
3 years ago
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