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klemol [59]
3 years ago
13

What are the factors of 2n^2 -5n- 42

Mathematics
2 answers:
motikmotik3 years ago
8 0
You can factor by grouping.

(n - 6) (2n + 7)
bezimeni [28]3 years ago
7 0

2 • (n - 3) • (n - 7)


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Help me fast plz anybody
charle [14.2K]
1) Unknown info = amount of potting soil he bought last week
2). 28=2x+4
Where x=amount of potting soil he bought last week
3). 28=2x+4
-4 -4
---------------------
24=2x
/2 /2
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X=12

4) Emmanuel bought 12 lbs of potting soil last week
8 0
3 years ago
Find the midpoint of X (26,56) and Y (26,1)
Svetradugi [14.3K]

Answer:

(26, \frac{57}{2})

Step-by-step explanation:

Hi there!

We are given the coordinates (26, 56) and (26, 1)

We want to find the midpoint of these two points

The midpoint can be found using the formula (\frac{x_1 + x_2}{2} , \frac{y_1 + y_2}{2}), where (x_1, y_1) & (x_2, y_2) are points

We have 2 points, which is what we need to find the midpoint, but let's label the values of the points to avoid confusion and mistakes when actually calculating

x_1=26\\y_1=56\\x_2=26\\y_2=1

Now substitute these values into the formula.

(\frac{x_1 + x_2}{2} , \frac{y_1 + y_2}{2})

(\frac{26 + 26}{2} , \frac{56+ 1}{2})

Add the numbers together

(\frac{52}{2} , \frac{57}{2})

Divide

(26, \frac{57}{2})

Hope this helps!

4 0
2 years ago
Read 2 more answers
Solve the inequality:<br><br> 4|x+5| -2 &lt;10
olchik [2.2K]
4 |x + 5| - 2 < 10 4 |x + 5| - 2 < 10
4 |x + 5| < 12 4(x + 5) - 2 < 10
------------ ----- 4x + 20 - 2 < 10
4 4 4x + 18 < 10
|x + 5| < 3 4x < -8
-x - 5 < 3 ---- ------
-x < 8 4 4
---- --- X < -2
-1 -1
X > -8

-8 < x < -2
4 0
3 years ago
A triangle has interior angles equal to 51 and 42 degrees.Find the interior angle x
Taya2010 [7]

Answer:

Angle x would be 87 degrees.

Step-by-step explanation:

Angles inside of a triangle add up to 180 degrees. So 51+42=93 and if you subtract 93 from 180, you get 87.

3 0
2 years ago
Solve for x. (1/4)(5x−3) &gt; (1/2)x + (1/3)
svet-max [94.6K]

Answer:

x >13/9

Step-by-step explanation:

(1/4)(5x−3) > (1/2)x + (1/3)

Distribute

5/4x - 3/4 > 1/2x + 1/3

Multiply each side by 12 to get rid of fractions

12*5/4x -12* 3/4 >12* 1/2x +12* 1/3

15x -9 > 6x +4

Subtract 6x from each side

15x-6x-9 > 6x-6x+4

9x -9> 4

Add 9 to each side

9x-9+9 > 4+9

9x > 13

Divide by 9

9x/9 >13/9

x >13/9

6 0
3 years ago
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