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lorasvet [3.4K]
4 years ago
15

For which acute angle are the sine of the angle and cosine of the angle equal?

Mathematics
1 answer:
tatyana61 [14]4 years ago
8 0
Both thhe sine and cosine of 45 are the same
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Amanda Vehicle has hired Jared Frost as its new president. Terms included the company’s agreeing to pay retirement benefits of $
vampirchik [111]
The amount needed in the account when Frost retires is given by the annuity formula. Compounding is 2 times per year.
.. A = Pi/(n(1 -(1 +r/n)^(-nt)))
.. 17900 = P*.08/(2*(1 -(1 +.08/2)^(-2*12)))
.. 17900 = P*.04/(1 -(1.04^-24))
.. P ≈ 272,920.64

The compound interest formula can be used to find the present value required. 4015 days is 11 years (ignoring leap years), so the amount to deposit can be calculated from
.. A = P*(1 +r/n)^(nt)
.. 272,920.64 = P*(1 +.08/2)^(2*11) = P*1.04^22
.. P ≈ 115,160.33

We don't know about the company's obligation to Robert. To fulfill its obligation to Frost, it must deposit 115,160.33 today.
8 0
3 years ago
How many groups of four shirts can you choose from six shirts? Determine if the word problem is a permutation or a combination,
umka2103 [35]
When choosing the shirts it doesn't matter what order they're chosen in because at the end you'll have the same four shirts ... so it's a combinations question (rather than a permutations question where the order of choice makes a difference) 
<span>so number of groups = 6C4 = 15 </span>
<span>another way is to evaluate 6P4 / 4! = 360/24 = 15

</span>
6 0
4 years ago
Martha made 3 birthday cards and she wants to make more. if she makes 5 cards an hour, How many cards will she have after 6 hour
frozen [14]
Well, since she makes 5 cards in ONE hour, we'll just multiply 5 times 6 to find out the total amount of cards made in 6 hours, which is 30. HOWEVER, we mustn't forget to add the amount of cards BEFORE she began making 5 cards per hour, which is 3, so 30 + 3 = 33. She made 33 cards after 6 hours. c:
8 0
3 years ago
Identify this sequence: 5, 15, 45, 135, …<br> Arithmetic<br> Geometric<br> Neither
user100 [1]

Answer:

5 * 2 is 10 + 5 and then 15 * 2 + 15 45 * 2 + 45

Step-by-step explanation:

times it by to add that number

3 0
3 years ago
Read 2 more answers
The heights, in inches, of the 11 basketball players on a
yarga [219]
ANSWER: 6 99

for height. inches. of the 11 basket

8 0
3 years ago
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