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irina [24]
3 years ago
9

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
5 0

Answer:

k=10

Step-by-step explanation:

Brainliest please~

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The equation cos (35 degree) equals StartFraction a Over 25 EndFraction can be used to find the length of Line segment B C. What
valentinak56 [21]

Incomplete Question the complete Question with figure is below.

Answer:

Therefore the length of line Segment BC is 20.5 in.

Step-by-step explanation:

Given:

In Right Angle Triangle ABC

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∠B = 35°

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To Find:

BC = ?

Solution:

In Right Angle Triangle ABC , Using Cosine Identity we get

\cos B = \dfrac{\textrm{side adjacent to angle B}}{Hypotenuse}\\

Substituting we get

\cos 35 = \dfrac{a}{25}\\\\a=25\times 0.8191=20.47\\\\a=20.5\ in

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Lilly’s car uses 5 gallons of gas to drive 230 miles. At what rate does her car use gas in gallons per mile?
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Your friend asks you to help cut grass this summer and will pay you 2 pennies for the first job. You agree to help if he doubles
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Let p_n be the amount of pennies received for lawn n.  Then, p_1 = 2 and p_{n+1} = 2p_n.

We claim by induction that p_n = 2^n.  The base case is trivial (p_1 = 2^1 = 2 is given).  Then, we complete the inductive step.  If p^n=2^n, we have:

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This completes the proof.

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