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MrRa [10]
3 years ago
12

(a) Which unit fraction 1/n for n s 50 has the decimal expansion of longest period?

Mathematics
1 answer:
katrin2010 [14]3 years ago
8 0

Answer:

0.02

Step-by-step explanation:

If n is 50, 1/n is equivalent to 1/50. 1/50 as a decimal is 0.02.

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Simplify the expression (-3x)^4
Sati [7]
(-3x)⁴

Basically, just do this :

(-3x) × (-3x) × (-3x) × (-3x)

So now you have 9x² × 9x²

9 × 9 = 81

x² × x² = x⁴

So, your answer is 81x⁴

~Hope I helped!~
8 0
3 years ago
PLEASE ANSWER ASAP !!!
Thepotemich [5.8K]

Answer:

4/-5

Step-by-step explanation:

6 0
3 years ago
How many hours are there in ten quarters of an hour?
svlad2 [7]

Answer:

2 1/2 hours

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3 years ago
A) x = -2<br> B) y =2<br> C) y= -2
LenKa [72]

Answer:

Step-by-step explanation:

This is a positive parabola so it opens upwards. The equation for the directrix of this parabola is y = k - p. k is the second number in the vertex of the parabola which is (0, 0), but we need to solve for p.

The form that the parabola is currently in is

y=a(x-h)^2+k so that means that a=\frac{1}{8}. We can use that to solve for p in the formula

p=\frac{1}{4a} so

p=\frac{1}{4(\frac{1}{8}) } which simplifies to

p=\frac{1}{\frac{1}{2} } which gives us that

p = 2. Now to find the directrix:

y = k - p becomes

y = 0 - 2 so

y = -2, choice A.

6 0
3 years ago
How many triangles exist with the given side lengths?<br><br> 12 in, 15 in, 18 in
aniked [119]
One because the law of consines works on it
5 0
2 years ago
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