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GaryK [48]
3 years ago
10

Add.

Mathematics
1 answer:
MrRissso [65]3 years ago
6 0

Answer:

letter A) 7x² + 2x -3

Step-by-step explanation:

7x² -2x + 4x -3

7x² + (-2x + 4x ) -3

7x² + 2x -3

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The perimeter of a certain soccer field is 310 m. The length is 65 m more than the width. What are the dimensions?
Dmitriy789 [7]

Answer:

50x105m

Step-by-step explanation:

310 (length of field) - 65-65= 200/4=50

Start with the perimeter subtract 65 twice because the length is on two sides.  Now the length and width will be equal so divide by 4.  Add 65 back because you subtracted it earlier.

3 0
3 years ago
Which of the following is equivalent to i⁹
mote1985 [20]
The correct answer is letter F
4 0
3 years ago
Read 2 more answers
Can you have a negative amplitude?
gayaneshka [121]
No, there can not be negative amplitude because it is just the distance between the max and the midline or the minimum and the midline.

I see where you might be confused because for instance in the trig equation: 
y = -3 sin (.5(x-\pi/2)) -1, there is a negative in front of the amplitude. However, when finding the amplitude, you take the absolute value of a.
6 0
3 years ago
HELP!! REAL answers only please.
Alika [10]

Answer:

33

Step-by-step explanation:

So the angle of 40 is a vertical angle with the one opposite of it, meaning that the triangle on the left would have two values of 40 and 41, to find the value of the 3rd angle of the left triangle, you can subtract 40 and 41 from 180 which is the total number of degrees in a triangle to get 99, then you can find the degrees of the triangle on the right's bottom angle by subtracting 99 from 180, meaning the bottom left angle would be 81, then you can do the same to find the other angle by subtracting 114 from 180 to get 66. Lastly you can add 81 and 66 to get 147, then subtracting 147 from 180 you would get x=33

3 0
4 years ago
How would you get 57/5 = 53/4
RSB [31]

Answer: Incorrect BOII

Step-by-step explanation:

3 0
4 years ago
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