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MrKrinkle77
29.10.2020 •
Mathematics
Two angles are complementary, as shown in the diagram below.
xº
15°
Part A: Use the definition of complementary angles to set up an equation that can be used to solve for the value of c.
Part B: Solve for the value of x. In your final answer, include all of your calculations.
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Ответ:
A; x + 15 = 90
B: x = 75
Step-by-step explanation:
A: complementary angles are angles that add up to 90 degrees. This means that x and 15, the two angles that are complementary, will add up to 90:
x + 15 = 90
B: For B, you just need to solve the equation for x:
1. x + 15 = 90
2. x = 75
Step 1 is the given equation
In step 2, 15 was subtracted from both sides
Ответ:
n=2→f(2)=C.f(2-1)
63=C.f(1)
63=C.(-21)
Solving for C
63/(-21)=C.(-21)/(-21)
-3=C
C=-3
f(1)=-21
f(n)= - 3 . f(n-1) for n=2, 3, 4, ...