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g100num [7]
3 years ago
9

Which of these expressions is not equivalent to the others?

Mathematics
1 answer:
just olya [345]3 years ago
4 0
Normally You would need to simplify all of them, to see what their values are like.

Already from the start, however, we can see that 9n + 3 + 2 and 9n + 11 isnt the same value. Based on this, we should only need to simplify one of the other, to get either 9n + 5 or 9n + 11.

Lets pick the upper one.

(4n + 3) + 5n + 8 - 6
4n + 3 +5n + 2
9n + 5.

This indicated that 9n+11 is the odd one.

To make sure, we can solve the next one:
(4n + 5n) + (3 + 8 - 6)
9n + 5
Which indicated the same thing.

9n+11 is the "outsider", which means:

9n + 11 is the correct answer for this task.

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Fiind the value of x between 0 and 360 <br>for question 5sin 2x=7cos2x​
Degger [83]

Answer:

x=pi*n/2+1/2arctan(7/5)

Step-by-step explanation:

5sin(2x)=7cos(2x)

5tan(2x)=7/5

2x=pi*n+arctan(7/5)

x=pi*n/2+1/2arctan(7/5) for n e Z

6 0
3 years ago
Find the 75th term of the following arithmetic sequence.<br> 6, 11, 16, 21,
katrin [286]

Answer:

The 75th term in the sequence is 16

Step-by-step explanation:

The 75th term of a sequence can be considered as the term that is in the position at 75% along the sequence. This is assuming that the sequence has been sorted already from lowest value to highest value

In this sequence, which has 4 terms, we can find the 75th term by finding what term is at 75% (or three-quarters) along the sequence.

To find the 75th term:

Multiply the number of terms by 0.75 (or 75%/100%) :

             0.75*4 terms= 3

Then, we find the value of the term that is at position 3 from the left (lowest number)

In this case, the term that is at the 3rd position from the left is 16

Thus, the 75th term in the sequence is 16

8 0
3 years ago
What is y when y+2=3/4(x+4)
Yuki888 [10]
Y=1+3x/4 would be the answer to solve for y
4 0
4 years ago
A is directly proportional to B and when A = 4 , B = 8 8. Find A when B = 44 .​ please can I have the working out
musickatia [10]

Answer:

A = 2

Step-by-step explanation:

If A = 4 when B = 88, we can divide both A and B by 2 to find their values.

88/2 = 44

4/2= 2

We can also check this by dividing 88 by 4 to figure out that A = 1 when B = 22

We can then multiply both the values of A and B to get a proportional relationship of A = 2, B = 44

(sorry if this is confusing but I hope it helped)

5 0
3 years ago
What type of association does the graph show between x and y? a Linear positive association Nonlinear positive associazion Linea
Alex

Answer:

Linear Negative Association is the answer I believe.

3 0
3 years ago
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