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katrin2010 [14]
2 years ago
8

An angle measures 2.2° less than the measure of its complementary angle. What is the measure of each angle?

Mathematics
1 answer:
Pie2 years ago
8 0

Answer:

28 and 62

Step-by-step explanation:

complementary angles add up to 90o

x+(x-34) =90

2x-34=90

2x=56

x=28 (small angle)

28+34=62 (big angle)

28+62 =90

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8 0
3 years ago
Find S18 for geometric series given a5=-6 and a2= -48
Ganezh [65]

an = a1r^(n-1)

a5 = a1 r^(5-1)

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a2 = a1 r^(2-1)

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divide

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----------------    yields   1/8 = r^3      take the cube root  or each side

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an = a1 (1/2)^ (n-1)

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the sum

Sn = a1[(r^n - 1/(r - 1)]

S18 = -96 [( (1/2) ^17 -1/ (1/2 -1)]

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      = 192 * [-131071/131072]

 approximately -192

     

       

     

3 0
3 years ago
How many extraneous solutions does the equation below have? 9 over n squared +1 =n+3 over 4? 0 1 2 3
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Read 2 more answers
(1.2×10^2) + (3.04×10^5)
PSYCHO15rus [73]

(1.2×10^2) + (3.04×10^5)

They must be to the same power to add

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1.2 * 10^2   + 3040 *10^2=

add the numbers keep the exponents the same

3041.2 * 10^2

there can only be 1 number before the decimal in scientific notation so we need to move the decimal 3 places to the left, which adds 3 to the exponent

3.0412 * 10 ^ (2+3)

3.0412 * 10^5


8 0
3 years ago
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