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forsale [732]
3 years ago
12

Can anybody solve this? If you will get it right I will mark you brainiest.

Mathematics
2 answers:
marishachu [46]3 years ago
8 0

I got 1 but I'm not 100% sure

ikadub [295]3 years ago
4 0

Answer:

The answer is one.

Step-by-step explanation:

I'm not exactly sure if I'm right , so sorry, if it's wrong

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Find the length of side x in simplest radical form with a rational denominator.
SSSSS [86.1K]

Answer:

2\sqrt{5}

Step-by-step explanation:

this is a 30-60-90 Δ and the ratio of the sides are 1 : \sqrt{3} : 2

1 / 2 = \sqrt{5} / x

cross-multiply: x = 2\sqrt{5}

3 0
2 years ago
(40 points + Brainliest for right answer).
exis [7]
The correct answer is C
8 0
3 years ago
Give an example of a point that is the same distance from (3, 0) as it is from (7, 0). Find lots of examples. Describe the confi
Artist 52 [7]

Supposse that the distance from the point (x,y) to the point (3,0) is equal to the distance from  (x,y) to the point (7,0). Then, by the formula of the distnace we must have

\sqrt{(x-3)^2 + (y-0)^2}=\sqrt{(x-7)^2 + (y-0)^2}

cancel the square root and the (y-0)^2's, and then expand the parenthesis to obtain

x^2 - 6x + 9 = x^2 - 14x + 49

then, simplifying we obtain

8x = 40

therfore we must have

x=5

this means that the points satisfying the propertie must have first component equal to 5. So we can give a lot of examples of such points: (5,0), (5,7),(5,1/2), (5,-10),.... The set of this points give us a straight line and the points (3,0) and (7,0) are symmetric with respect to this line.

3 0
3 years ago
M=3rt squared -2rv solve for v.
insens350 [35]
M = 3rt^2 - 2rv
2rv = 3rt^2 - M
v = (3rt^2 - M)/2r
7 0
3 years ago
What are rational and irrational numbers ?
lbvjy [14]
Rational: Any number that can be expressed as a fraction (or a ratio.)
Irrational: Not rational, any number that can't be written down as a fraction. Some examples include \pi (3.1415926...), \sqrt{2}, and so on.
6 0
3 years ago
Read 2 more answers
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