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Vesna [10]
3 years ago
13

If x and y are real numbers such that x>1 and y<-1, then which of the of the following in equalities must be true?

Mathematics
1 answer:
katrin [286]3 years ago
5 0

Answer:

E

Step-by-step explanation:

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Please answer and explain I’ll mark brainliest!!!!!
nekit [7.7K]

Answer:

See below

Step-by-step explanation:

Problem 1

If n is the smallest of the consecutive integers, the next integer would be n+1.

Problem 2

The equation is terms of n is going to be

s = n + n + 1 + n + 2 + n+3

Problem 3

Collect like terms on the right

s = 4n + 6

Problem 4

4n + 6 = s             Subtract 6 from both sides

4n = s - 6              Divide by 4

n = (s - 6)/4

Problem 5

Solve for n when s = 2174

n = (2174 - 6)/4

n = 2168 / 4

n = 542

check

n                 = 542

n + 1            = 543

n + 2           = 544

n + 3     <u>      = 545</u>

Total            2174         Just as it should

7 0
3 years ago
Alex, Jean, Pat, and Tommie do not have cars. Each has a different way of getting around town (bike, bus, roller blades, and wal
uranmaximum [27]
Answer is Tommie.
alex and joan dont know how to ride 
joan does not like riding bike,that means same applies to the roller
7 0
3 years ago
Read 2 more answers
Verify the identity: <br> (1-sinx)/cosx = cosx/(1+sinx)
Lisa [10]
For the answer to the question above,
<span>Let's work with the left-hand side 
We're going to times cosx/1-sinx by 1+sinx/1+sinx, you can do this because 1+sinx/1+sinx is equal to 1, so you aren't really changing anything. 

After you've times the top and bottom by 1+sinx, you get: 

cosx(1+sinx) / (1-sinx)(1+sinx) 

The denominator is a difference of squares, so you get 1-sin^2 x 

what you have now is 

cosx(1+sinx) / 1-sin^2x 

You know that 1-sin^2x is equal to cos^2x 

so know you have 

cosx(1+sinx) / cos^2x 

get rid of the cosx on top by simplifying and the cos^2x so that you're left with 

(1+sinx) / cos x 

Therefore cosx / 1- sinx = 1 + sinx / cos x</span>
4 0
3 years ago
A candy bar in the shape of a triangular prism has a length of 11 inches. The area of the base of the candy is 1.5 square inches
TEA [102]

Answer:

6.5

Step-by-step explanation:

6 0
3 years ago
What is 6.54 as a mixed number
Andrews [41]
The number given in the question is in decimal form. It has to be first changed to fraction and then only can it be changed to a mixed fraction. The calculations have to be done correctly and then the problem is very straight forward.Now let us concentrate on the problem in hand.
Then
6.54 = 654/100
       = 327/50
       = 6 27/50
From the above deduction we can definitely conclude that the mixed number for 6.54 is 5 27/50. I hope this simple procedure will help you to attempt such type of problems in future without requiring any additional help.
6 0
4 years ago
Read 2 more answers
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