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Nataly_w [17]
2 years ago
10

Select all expressions equivalent to3 ¹/2 * 4 + 1 *5 + 6 * 0.5​

Mathematics
1 answer:
Paraphin [41]2 years ago
3 0
The first one bc ye jsksshsksjsksksks
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Show work please thank you.
Ghella [55]

Answer:

x = 8, so 6x = 48 and 4x + 10 = 42

Step-by-step explanation:

This is a right angle, so we can say that 6x + 4x + 10 = 90 = 10x + 10 = 90 = 10x = 80 = x = 8.

8 0
2 years ago
Use the quadratic formula to solve the equation.<br><br>-3x^2 - x - 3 = 0
vredina [299]

Answer:  -1 ± <em>i</em>√35

                  ⁻⁻⁻⁻⁻⁻⁻⁻

                     6

Step-by-step explanation:

From the quadratic equation,

X =  -b ±√b² - 4ac

     ⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻

             2a

From the given equation, -3x² - x - 3 = 0

where a = -3, b = -1, c = -3

Now substitute for the values in the formula above

x = -(-1) ± √(-1)² - 4(-3)(-3)

      ⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻

                   2(-3)

x = 1 ± √ 1 - 36

     ⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻

           -6

x = 1 ±  √ -35

     ⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻

           -6

x = -1  ±  <em>i√35   this is because it has a negative root.</em>

<em>       ⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻</em>

<em>            6</em>

<em> The answer is b</em>

   

8 0
3 years ago
We learned that multiplying by i produces a 90° counterclockwise rotation about the origin. What do we ned to
Bingel [31]

Answer:

For producing 90° rotation clockwise abut origin we have to multiply with -i

Step-by-step explanation:

We know that when we multiply with i in an number then it will give 90° counterclockwise rotation

We have to find the quantity after which it will produce 90° clockwise rotation

Generally we take counterclockwise as positive angle and clockwise as negative angle

So basically we have to produce -90° angle

For producing 90° rotation clockwise abut origin we have to multiply with -i

6 0
3 years ago
You have 18 skittles. You want to eat 5/6 of them and save 1/3 of them for later. Can you do this?
sertanlavr [38]

Answer: yes because you can save 1/3 of the skittles from the 1/6 of the skittles you didnt eat earlier but idk where the rest of the skittles that you are not saving and didnt eat would go.

Step-by-step explanation: hope this helps :!.

6 0
3 years ago
Name two ordered pairs that are located exactly six units from (2, -3).
Phantasy [73]
Exactly six units from:

Def'n: Add or subtract 6 to either "x" or "y" in (x,y) = (2, -3) 
         P.S. (BTW, there are many more ways that are a lot harder to find two orders pairs six units from (2, -3). These are only the easiest.)

1. (2, -3 + 6) = (2, 3)
2. (2, -3 - 6) = (2, -9)
3. (2 + 6, -3) = (8, -3)
4. (2 - 6, -3) = (-4, -3)

Pick from these four. :3



5 0
3 years ago
Read 2 more answers
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