Answer:
C
Step-by-step explanation:
Using the cosine ratio in the right triangle and the exact value
cos45° = 
, then
cos45° = 
= 
= ( cross- multiply )
2s = 6
( divide both sides by 2 )
s = 3 → C
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This is about simultaneous equations.
<u><em>p = s has been proved below. </em></u>
p + q = 25 - - - (eq 1)
r + s = 25 - - - (eq 2)
q = r - - - (eq 3)
- Let's put r for q in eq 1 to get;
p + r = 25 - - -(eq 4)
- Let's subtract eq 2 from eq 4;
(p + r) - (r + s) = 25 - 25
p + r - r - s = 0
p - s = 0
p = s
Read more at; brainly.com/question/15165519
Answer:
119
Step-by-step explanation:
23 plus 64 plus 32
I think I just did this question
That could be expressed in two different ways ... because
there are no parentheses in your question.
One way:
Call the number ' N ' .
Nine plus the number is (9 + N)
That much times 14 is 14(9 + N) .
The other way:
Call the number ' N '.
The number times 14 is 14N
Nine plus that is 9 + 14N .
