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xeze [42]
2 years ago
13

How long is a bus journey that starts at 8.55 a.m. and ends at 9.17 a.m.?

Mathematics
1 answer:
vladimir1956 [14]2 years ago
6 0

Answer:

5+17=22 minute

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A 35 degrees <br> B 55 degrees <br> C 70 degrees <br> D 90 degrees
Veronika [31]
It’s C- 70 degrees
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Use the Intermediate Value Theorem to show that the polynomial f(x)=x^3+x^2-2x+5 has a real zero between -3 and -1.
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You need to note first two things.

1. The function f(x) need to be a continuous function on [-3,-1] (indeed f(x) is a polynomial function, is continuous on every real number x)

2. Take the closed interval [-3,-1]

Now, evaluate f(-3) and f(-1).

f(-3) = (-3)^3 + (-3)^2 -2(-3) + 5 = -27 + 9 +6 + 5 = -7 < 0\\f(-1) = (-1)^3 + (-1)^2 -2 (-1) + 5 = -1 + 1 +2 + 5 = 7 >0

So, we have f(-3) < 0  and f(-1). So,  f(-3) < 0 < f(-1), then by the Intermediate Value Theorem, there exist c \in (-3,-1) such that f(c) = 0.

6 0
3 years ago
A bag holds 8 white marbles and 3 green marbles. The probability of drawing a white marble is 8⁄11. What is the likelihood of dr
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3/11, all you have to do is add both numbers and put one of them over the sum, that will get you the probability of drawing that color.
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A baker uses chocolate with 75% cocoa for his famous cake. But his supplier delivered 100 lb of chocolate with 70% cocoa, so the
Nonamiya [84]

Answer:

213 1/3

Step-by-step explanation:

Because I know where you got this question from.

4 0
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3.5 x 10^4 write the following number in standard form (decimal).
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Step-by-step explanation:

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