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densk [106]
3 years ago
9

5x^2+15=51; square root property

Mathematics
1 answer:
charle [14.2K]3 years ago
7 0
1. Subtract 15 to the other side (5x^2 = 36)

2.Square root both sides to remove the squared of 5x^2 (sqrt(5x^2) = sqrt(36) simplified to 5x = 6)

3. divide by 5 to get x = 6/5

Final result is 6/5
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What is the point (-9,-3) after rotating 180 counterclockwise
sleet_krkn [62]

Answer:

(9, 3)

Step-by-step explanation:

When a point is rotated 180 degrees, you take the opposite of the coordinates.

i.e (5, 6) ---> (-5, -6)

4 0
3 years ago
2. Find the product (2x + 3)(3x - 2).
eimsori [14]

Answer:

6x² + 5x - 6

Step-by-step explanation:

Given

(2x + 3)(3x - 2)

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6 0
3 years ago
Read 2 more answers
The answer to this problem
stepan [7]
Let's assume that you are to graph the inequality. 
1.  Graph -3x + 4y = 12.  Note that the x-intercept is (-4,0) and the y-intercept is (0,3).  Use a dashed line, not a solid line, due to the ">" sign.
2.  Choose a test point (e. g., (0,1) ) and subst. these coordinates into -3x + 4y = 12.  Is the equation then true or false?  If true, shade the area (on one side of -3x + 4y = 12 or the other) in which the test point (0,1) lies.  If false, shade the other side of -3x + 4y = 12.
6 0
3 years ago
What is the mode of the data set?<br> (Please help)
Snowcat [4.5K]

Answer:

the number that occures the most is the answer

Step-by-step explanation:

7 0
3 years ago
A right triangle has a lleg of length 16 and a hypotenuse of length 25. The length of the other leg is (Rounded to the nearest t
Wittaler [7]

Answer:

19

Step-by-step explanation:

1st you will use a^2+b^2=c^2

next you plug them  in so it would be a^2+16^2=25^2

next you would solve it to a^2+256=625

then you would get 369  and square root it  

and your answer will be  19.2.

3 0
3 years ago
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