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rjkz [21]
3 years ago
14

What number would you divide by to calculate the mean of 3, 4, 5, and 6?

Mathematics
1 answer:
serious [3.7K]3 years ago
4 0

Answer:

4

Step-by-step explanation:

Because it is the answer

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7(x – 3) – 5(2x - 4) = 5​
WITCHER [35]

Answer:

-2

Step-by-step explanation:

7x-21-10x+20=5

7x-10x-1=5

-3x=5+1

x=-6/3

x=-2

7 0
3 years ago
Read 2 more answers
PLEASE HELP IM BEING TIMED
Zigmanuir [339]

Step-by-step explanation:

You have miscopied the second equation as it contains a third variable B when there isn't a B in the answers.

Please correct it for assistance

7 0
3 years ago
Complete the square to factor X^2 +10X=-8
ella [17]

Answer: x=\sqrt{17}-5 and x = -\sqrt{17}-5

Step-by-step explanation:

Alright, lets get started.

The given equation is :

x^{2} +10x = -8

Adding 8 in both sides, it will become

x^{2} +10x + 8 = -8 +8

x^{2} +10x + 8 = 0

To make it perfect square, we need to add 25 and subtract 25

x^{2} +10x + 8 +25-25= 0

x^2+10x+25+8-25=0

(x+5)^2+8-25=0

(x+5)^2-17=0

Adding 17 in both sides  

(x+5)^2=17  

taking square root

x+5=\sqrt{17}

So,

x=\sqrt{17}-5 and x = -\sqrt{17}-5  .. Answer

Hope it will help :)

7 0
3 years ago
Read 2 more answers
Select all the statements that are true for any value of x​
Goryan [66]

Answer:

A, C, E, F

Explanation:

equal on both sides

6 0
2 years ago
The what value complete the square for the expression x squared plus 16x
Troyanec [42]
Take the coefficient of the x-term, half it, then square that. add this to both sides

x² + 16x. coefficient of x is 16. half of 16 is 8. 8²=64

x² + 16x + 64 =64. this is your answer but to continue

x² + 16x + 64 = 64
(x+8)² = 64
x+8 = ✓64
x+ 8 = ±8
x = 0 or -16
6 0
3 years ago
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