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Lynna [10]
3 years ago
9

Can someone help me with number 10 thanks

Mathematics
2 answers:
Tamiku [17]3 years ago
5 0

Answer:

10

Step-by-step explanation:

4² = 4 × 4 = <u>16</u>

16 - 6 = 10

stealth61 [152]3 years ago
4 0

Answer:

10

Step-by-step explanation:

4 to the second power is 16. When there is a number above a number but smaller it is called a power. It would be said like 4 to the second power. Then you minus the 6 and you get 10. Hope this helps!

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Vanessa draws one side of equilateral ΔABC on the coordinate plane at points A(–2, 1) and B(4,1). What are the possible coordina
grandymaker [24]

Important question. No menu of choices given so we'll just have to figure it out.

It's not possible in two dimensions for all three vertices of an equilateral triangle to be lattice points, i.e. points with integer coordinates.  

Since A(-2,1) and B(4,1) have integer coordinates, our other point won't. There will be a √3 involved, the algebraic tell that there's a 30/60/90 triangle lurking somewhere in the problem.

Here the given side is parallel to the x axis which makes things easier.  

|AB| = 4 - -2 = 6

The x coordinate of the third vertex will be the same as that of the midpoint of AB, let's call it M,

M = ( (-2 + 4) / 2, (1 + 1)/2 ) = (1, 1)

We're making some progress.  Whatever our height h is our two candidates for the third vertex C are (1, 1 ± h).

Since |AB|=6, we get |AB|=|BC|=|AC|=6 because it's an equilateral triangle.

The altitude CM bisects the triangle into 2 30/60/90 triangles.  Let's take one of them, AMC.  Angle AMC is a right angle, so we have a right triangle with legs |AM|=3 and |CM|=h, and hypotenuse |AC|=6. The Pythagorean Theorem tells us:

3² + h² = 6²

9 + h² = 36

h² = 27

h = 3√3

Answer: C is (1, 1 + 3√3) or (1, 1 - 3√3)

4 0
3 years ago
Determine whether the underlined value is a parameter or a statistic. In a national survey on substance abuse comma Modifying 66
Iteru [2.4K]

Answer:

Parameter                                                                                

Step-by-step explanation:

Parameter and statistic:

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Population of interest:

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Parameter:

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Thus, the given is a parameter as it describes a population proportion.

4 0
2 years ago
The system has infinitely many solutions. Rearranging the left side of the 2nd equation and subtracting 3a from both sides gives
Alex_Xolod [135]

Answer:

https://web.williams.edu/Mathematics/sjmiller/public_html/105/hwsolns/HWSolns_Math105_Sp2013.pdf  click the link

Step-by-step explanation:

5 0
2 years ago
Select all irrational numbers
Sliva [168]

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6 0
3 years ago
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gavmur [86]
Circumference formula is πd

C = (3.14)(34)
C = 106.76

Hope this helps :)
3 0
3 years ago
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