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Arisa [49]
3 years ago
7

Solve for the variable u^2 + 2 = 11

Mathematics
1 answer:
stira [4]3 years ago
8 0

Answer:

There are two roots:  -3 and 3

Step-by-step explanation:

Combine the like terms first.  We get u^2 = 9.

There are two roots:  -3 and 3.

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Factor <br><br> LaTeX: 7v^2+31v+12
bazaltina [42]

Answer:

(7v +3 ) ( v    + 4  )

Step-by-step explanation:

7v^2+31v+12

(7v + ) ( v    +   )

12 = 1*12

       2*6

       3*4

7* 4 + 3 = 31

(7v +3 ) ( v    + 4  )

6 0
3 years ago
–6 &lt; 2x – 4 &lt; 4 solve the inequality
Ira Lisetskai [31]

Answer:

The answer is

<h2>- 1 < x < 4</h2>

Step-by-step explanation:

<h3>- 6 < 2x - 4 < 4</h3>

First of all add 4 to both sides of the inequality to make 2x stand alone

That's

<h3>- 6 + 4 < 2x - 4 + 4 < 4 + 4 \\  - 2 < 2x < 8</h3>

Divide both sides of the inequality by 2 inorder to find x

That's

<h3>\frac{ - 2}{2}  <  \frac{2x}{2}  <  \frac{8}{2}</h3>

We have the final answer as

<h3>- 1 < x < 4</h3>

Hope this helps you

6 0
3 years ago
How to find the surface area of triangular prisms<br> ?
Lunna [17]

Answer:

To find the area of the rectangular sides, use the formula A = lw

To find the area of the triangular faces, use the formula A = 1/2bh,

Step-by-step explanation:

1st formula where A = area, l = length, and h = height.

2nd formula where A = area, b = base, and h = height.

8 0
3 years ago
Read 2 more answers
How do you find the slope
dalvyx [7]
Remember that the slope of a line never changes, so you can choose whatever 2 points you want and you will always get the same slope. Calculate the rise and run (You can draw it on the graph if it helps). The slope is 2/4, which , of course, you can simplify to ½.
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3 years ago
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Aleksandr-060686 [28]

Answer:

11+3=14

-41-1=-42

14-2(-42)

-2(-42)

14+84

98

I hope this is good enough:

5 0
3 years ago
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