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egoroff_w [7]
3 years ago
5

-tan(130°) - tan(75°)/1 + tan(130°)tan(75)​

Mathematics
1 answer:
Stella [2.4K]3 years ago
3 0

Answer:

tan 55°

Step-by-step explanation:

(tan 130° − tan 75°) / (1 + tan 130° tan 75°)

Use angle sum formula to rewrite:

tan (130° − 75°)

tan 55°

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A sample is a subset of all possible data values for a given subject under consideration.
Tom [10]

Answer: True

Step-by-step explanation:

A subset is a term used in the sets topic In mathematics to describe a Part of A larger values being considered.

Sample In experimental procedures is known as Part of what is to be used to determine the reaction of a larger mass of specimen.

Taking these two definitions by side, it is quite evident that both of them represent taking part of a larger picture to form a smaller picture which does not totally deviate from the larger picture being considered.

3 0
3 years ago
a game where two players each throw two dice each. if any one die matches the other, you win a dollar. if there is no match, you
nadezda [96]

Yes, I would play the game, because the probability of winning is 13/18.

Probability:

Probability refer the possible occurrence of any particular event.

Given,

A game where two players each throw two dice each. if any one die matches the other, you win a dollar. if there is no match, you lose a dollar.

Here we need to find whether we able to play this one or not.

To find that one, first, we have to identify the winning scenarios,

Let us consider five winning scenarios. Lets represent the dice outcomes as A, B, C, and D, where your dice are A and B and the other player's are C and D. The five scenarios are:

1) A = B

2) A = C

3) A = D

4) B = C

5) B = D

We know that the total possible outcomes is 6^4. We can go through each scenario and count the possible outcomes. We must be careful to avoid overcounting.

Based on this,

The probability that none match is

=> 6*5*4*3/6^4

=> 360 / 1296

=> 5 / 18

So, probability of winning is,

=> 1 - 5/18

=> 13/18.

So, based on the probability the chance of winning is high. So, we can play it.

To know more about Probability here.

brainly.com/question/11234923

#SPJ4

5 0
1 year ago
Write each fraction in simplest form if the fraction is in simplest form write simplest form from 1-12
erica [24]
15. would be 1/2 because if you simplify 16/32 to 8/16 (dividing by 2 each time), then to 4/8, then 2/4, and lastly 1/2

you really dont need to do all of that because 16/32 is already 1/2 (16 is half of
32) 

16. the answer would be 7/12 because if you divide 21/36 both by 3 you get 7/12 and you cant go any more simpler.
8 0
3 years ago
Last winter, the ratio of days with snow to day with no snow was 1.18. Write this ratio as a faction in simplest form
Alekssandra [29.7K]

to change any decimal to a fraction, we simply <u>use as many zeros on the denominator as there are decimals and lose the dot</u>.

1.18 has two decimals, so we'll use two zeros at the bottom, and lose the dot.


\bf 1.\underline{18}\implies \cfrac{118}{1\underline{00}}\implies \stackrel{simplified}{\cfrac{59}{50}}

6 0
3 years ago
(x-25) (x-5) square root
Fittoniya [83]

x^2-30x+125 square root


6 0
3 years ago
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