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tresset_1 [31]
3 years ago
8

How would you solve x^2 -4x +2=0?!

Mathematics
2 answers:
Nataly_w [17]3 years ago
7 0

Answer:

i completed the square and found x

Step-by-step explanation:

x = ±√2+2

x= 2 + √2, 2 - √2

aleksandrvk [35]3 years ago
4 0

Answer:

non liner

Step-by-step explanation:

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What is the mean 29,31,35,37,38,44,43,46,46,93
aliya0001 [1]

Answer:

The mean is 44.2

Step-by-step explanation:

1. Add all the numbers: 29+31+35+37+38+44+43+46+46+93=442

2. Divide the sum by the amount of numbers: Since there are 10 numbers in all our equation is 442 / 10 which equals 44.2 and gives us our answer

3 0
3 years ago
I win £300 on a scratchcard and decide to share my winnings with my two friends Peter and Mary. Peter has 3 shares, Mary has 5 s
KIM [24]

Answer:

Step-by-step explanation:

3+5+2=10

3/10 x 300=£90

3/10 x300=£150

2/10 x300=£60

Mary receives £150

8 0
3 years ago
A cement company is making 8 solid-cement spheres. Each sphere has a diameter of 2.5 ft.
Ivanshal [37]

65.4ft

Step-by-step explanation:

Use the volume for a sphere

v=radius3•pi4/3

6 0
3 years ago
2x2 - 12x + 10<br>what are the roots​
Tcecarenko [31]

Answer:

5 & 1

Step-by-step explanation:

We can use the quadratic formula to solve this:

Quadratic Formula = \frac{-b+-\sqrt{b^2-4ac} }{2a}

So we will have 2 answers (roots).

a is the coefficient of x^2 (2)

b is the coefficient of x (-12)

c is the constant (10)

Now, substituting, we get:

x = \frac{-b+-\sqrt{b^2-4ac} }{2a}=\frac{12+-\sqrt{(-12)^2-4(2)(10)} }{2(2)}=\frac{12+-\sqrt{64} }{4}=\frac{12+-8}{4}=\frac{12+-8}{4}=5,1

Hence the roots are 5 & 1

4 0
3 years ago
HELP ME ASAP!!!!!!!!!
slavikrds [6]

Answer:

23,26,29,32,35,38,41,44

Step-by-step explanation:

In mathematics, WHOLE NUMBERS  are the basic counting numbers 0, 1, 2, 3, 4, 5, 6, … and so on.  Whole numbers are the real numbers which includes zero and all the positive integers. Whole numbers don't include negative numbers, fractions, or decimals.  

8 0
3 years ago
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