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Flauer [41]
3 years ago
14

Tan(-100°) = _____ -tan80° tan80° tan(-80°)

Mathematics
2 answers:
Anni [7]3 years ago
8 0

Answer:

-tan80°

Step-by-step explanation:

soldi70 [24.7K]3 years ago
7 0

Answer:

A:-tan80° is correct on E2020

hope this helps you!

(p.s:Please mark me as brainlyest)

Step-by-step explanation:

Ask me if you want the explanation.

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Divide 3x^4-3x^3-4x^2-4x by x^2-2x
Citrus2011 [14]

Answer:

3x^2+3x+2

using Euclid's division algorithm

you can verify itt...

5 0
4 years ago
A catalog company promises to deliver online orders within 3 days of the order being placed. Follow-up calls were made to random
bezimeni [28]

Answer:

c) 95% of all random samples of customers will show that 82% to 94% oders arrive on time

Step-by-step explanation:

From problem statement   we take 88 as a mean of a normal distribution, in that case we know, about relation between mean and standard deviation

μ  ± σ        ⇒ [ μ  -  σ ;   μ  +  σ ]   ⇒  [  88  - 6  ;  88  + 6 ]  ⇒ [  82  ; 94 ]

The above mentioned interval get 95.7 % of all values for a normal distribution, so we must be sure that a 95 % of all random samples of customers will show that 82% to 94% of orders arrive on time

7 0
3 years ago
If it costs $75,000 to put on an event and total revenue is $135,000, what is the profit as a percentage of revenue?
Tems11 [23]
1st find total profit by subtracting the cost from the total revenue:

135,000 - 75,000 = $60,000 profit

Now divide the profit by the total revenue:

60,000 / 135,000 = 0.444 = 44.4% = 44% profit
8 0
4 years ago
Find the area of this semi-circle with diameter, d = 49cm.<br> Give your answer rounded to 2 DP.
lilavasa [31]
The area of a semicircle is (πr^2)/2, with r being the radius
the radius is going to be the diameter diced by two: 49/2 = 24.5
now, plug in and solve
(π24.5^2)/2 = 600.25π/2 = 300.125 π
π is roughly equivalent to 3.14, so we can multiply to simplify
area = 942.87

8 0
2 years ago
What is five and seven hundred twenty-four thousandths in expanded<br> form?
Sedaia [141]

Answer:

The way I would write it is: 700,000 + 20,000 + 4,000= 724,000

5 0
4 years ago
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