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anygoal [31]
3 years ago
8

a bag contains 400 coloured counters the counters are either yellow,Brown or green there are 92 yellow counters in the bag the p

robability that Brown counter is chosen from the bag is 0.23 calcuate the number of green counters in the bag
Mathematics
1 answer:
AlladinOne [14]3 years ago
5 0
Is 0.23 a percentage?

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Step-by-step explanation:

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Last month, a coral reef grew 5000 millimeters taller. How much did it grow in meters? Be sure to include the correct unit in yo
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What is the circumference of the circle? Assume pi = 3.14
mezya [45]

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5 x 2 x 3.14 = 31.4

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2 years ago
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A garden is designed in the shape of a rhombus formed from 4 identical 30°-60°-90° triangles. The shorter distance across the mi
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3 years ago
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Use an induction proof to prove this statement:<br> For n≥1, 4^n+5 is divisible by 3.
Tpy6a [65]

Answer:

See below

Step-by-step explanation:

We shall prove that for all n\in\mathbb{N},3|(4^n+5). This tells us that 3 divides 4^n+5 with a remainder of zero.

If we let n=1, then we have 4^{1}+5=9, and evidently, 9|3.

Assume that 4^n+5 is divisible by 3 for n=k, k\in\mathbb{N}. Then, by this assumption, 3|(4^n+5)\Rightarrow4^k+5=3m,\: m\in\mathbb{Z}.

Now, let n=k+1. Then:

4^{k+1}+5=4^k\cdot4+5\\=4^k(3+1)+5\\=3\cdot4^k+4^k+5\\=3\cdot4^k+3m\\=3(4^k+m)

Since 3|(4^k+m), we may conclude, by the axiom of induction, that the property holds for all n\in\mathbb{N}.

3 0
2 years ago
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