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Tasya [4]
3 years ago
10

X2+5x+6,x2+x-6please explain properly​

Mathematics
1 answer:
Ne4ueva [31]3 years ago
5 0

Answer:

7x²+6x-6

Step-by-step explanation:

1 Combine similar terms

x²+5x+6x²+x-6

7x²+5x+x-6

2 Combine similar terms

7x²+5x+x-6

7x²+6x-6

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Cos45*/sec30*+cosec60*​
Lera25 [3.4K]

Answer:

= (√3+4√2)/2√6

Step-by-step explanation:

To evaluate cos45*/sec30*+cosec60*​

First according to trigonometry identity

sec 30 = 1/cos30

cosec 60 = 1/sin60

Substitute

cos45*/sec30*+cosec60*​

= cos45/(1/cos30) + 1/sin60

= cos45coss30 + 1/sin60

= 1/√2 * √3/2 + 1/(√3/2)

= √3/2√2 + 2/√3

= (√9+4√2)/2√6 +

= (√3+4√2)/2√6

7 0
3 years ago
Read 2 more answers
What is the volume of the rectangular prism? ​
solong [7]

Answer:

15

Step-by-step explanation:

i did maths

3 0
3 years ago
You roll a six-sided number cube and flip a coin. What is the probability of rolling a number less than 2 and flipping heads? *
leonid [27]

Answer:

1/12

Step-by-step explanation:

First, you should already be able to understand that the only number less than 2 on this cube is 1. So, you can understand that there is a 1/6 chance because there is a total of 6 numbers, and out of those, only 1 of those are your answer.

Then, you will note that a coin only has 2 sides, so there is a 50/50 chance of getting heads, or 50%. Now, you will turn that into a fraction, which is 1/2.

Next, you will multiply to make the denominators the same. And what you do to the denominator must happen to the numerator. (1/6 * 2--> 1/12 and 1/2 * 6 = 1/12)

Hope this helps! :)

7 0
3 years ago
Read 2 more answers
To what place is 100 accurate
Juli2301 [7.4K]
It is always too 100.0 so one decimal place
3 0
4 years ago
How long does it takes earth to rotate on it axis 7 times
Kobotan [32]
7 days OR 168 hours

One full axis rotation is the length of one day (24 hours)
5 0
3 years ago
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