9514 1404 393
Answer:
48°
Step-by-step explanation:
ΔACB is isosceles, so angles A and B have the same measure. The measure of angle C in that triangle is ...
∠C = 180° -2(69°) = 42°
Angle C in ΔCDE has the same measure. Angle D is the complement of that:
∠D = 90° -42° = 48°
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The relations we used are ...
- the sum of angles in a triangle is 180°
- base angles of an isosceles triangle are congruent
- vertical angles are congruent
- acute angles in a right triangle are complementary
For this case we must solve the following proportion:

Multiplying by 5 on both sides of the equation we have:

Subtracting 2 from both sides of the equation:

ANswer:

Answer: x = {5, 9} ; (0,45)
Answer:
<em>The amount of water in the reservoir at the beginning of second week</em>
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Step-by-step explanation:
<u>Step(i):</u>-
<em>Given equation </em>
<em> w₀ = 300 and </em>

Put n =1




<u><em>Step(ii)</em></u>:-
<em>Put n =2</em>




<u><em>Conclusion:</em></u>-
<em>The amount of water in the reservoir at the beginning of second week</em>
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