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ruslelena [56]
3 years ago
8

Why can't irrational numbers be whole numbers

Mathematics
1 answer:
meriva3 years ago
5 0
Irrational numbers cannot be represented by a ratio of two integers.

All whole numbers, however, can. This can be done by placing the number over 1. For example 0/1, 34/1, 173635278/1.
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The scale factor of a model of a swimming pool to the actual swimming pool is 1 to 20. the volume of the actual pool is 400 m^3.
erica [24]
P(v)=5000/v hope this helps
3 0
3 years ago
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If x is a binomial random variable with n = 20, and p = 0.30, then p(x = 10) = 0.50.
meriva
In the binomial expansion of (0.30+0.70)²⁰ the coefficient is ²⁰C₁₀=184756 for x=10 and we have 0.30¹⁰×0.70¹⁰ for the pq values where q=1-p. This comes to about 0.03. So the statement p(x=10)=0.50 is false, answer b.
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2 years ago
What is the simplified expression of 5(3m+7) - 4?
Misha Larkins [42]

Answer:

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3 years ago
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In this exercise, consider a particle moving on a circular path of radius b described by r(t) = b cos(ωt)i + b sin(ωt)j, where ω
Bingel [31]

Answer:

Acceleration of the particle = bw^{2}

Step-by-step explanation:

We are given the position vector of a particle moving in a circle of radius b units.

r(t) = b cos(ωt)i + b sin(ωt)j

Velocity , v =\frac{dr}{dt} = -bω sin(ωt)i + bω cos(ωt)j

The magnitude of velocity, v =\sqrt{v_x^{2} +v_y^{2} }

Squaring both sides,

v^{2} = b^{2} w^{2}(sin^{2}(wt)+cos^{2}(wt))

Since sin^{2}(wt)+cos^{2}(wt)) = 1

v^{2} = b^{2}w^{2}

The acceleration towards the centre is called the centripetal acceleration and is given by

a = \frac{v^{2} }{r}

a = \frac{b^{2}w^{2}}{b}

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3 0
3 years ago
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