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Iteru [2.4K]
3 years ago
13

Hey I need help on a question real fast the question is if three equals B times seven then seven times be equals what

Mathematics
1 answer:
bonufazy [111]3 years ago
3 0

Answer would be 14b.

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Use the standard normal distribution to find P(-2.25 < z < 1.25)
Ede4ka [16]

Here we have to find the probability P(-2.25. Now express the probability in terms of standard normal cumulative distribution function. That is \Phi(x)=P(z.

P(-2.25

Now you can look up the probability from the standard normal tables. Its value is

P(-2.25

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3 years ago
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Which set of points represents equivalent ratios and would follow the same pattern on a graph?
Paladinen [302]
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What is the answer to one plus one
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Step-by-step explanation:

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A rectangle has length 127.3 cm and width 86.5 cm, both correct to 1 decimal place. Calculate the upperbound and the lowerbound
Mnenie [13.5K]

Answer:

Correct to 1dp

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86.5 cm = 87.0 cm

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Lower Limits:

127.0 cm = 126.95 cm

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upper limit of perimeter of rectangle:

P = 2(l+w)

= 2(127.05 + 87.05)

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lower limit of perimeter of rectangle:

P = 2(l+w)

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therefore;

427.8 cm \leqslant perimeter < 428.2cm

8 0
3 years ago
F(x) = 3x2-2x +1, evaluate:
Bogdan [553]
F(x)=3x^2 - 2x +1
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f(-1)=3+3
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3 years ago
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