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Sedbober [7]
3 years ago
11

3x + 2y = 2

Mathematics
1 answer:
iragen [17]3 years ago
6 0
A) (-2,4) hope this helps 
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Factorise x + x - 30
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Step-by-step explanation:

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There are 8 teachers and 4 students how many people are there total?
Elina [12.6K]

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12 people

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Birth Weights Babies born after a gestation period of 32-35 weeks have a mean weight of 2600 grams and a standard deviation of 6
lukranit [14]

Answer:

The z-score for the 34-week gestation period baby is 0.61

Step-by-step explanation:

The formula for calculating a z-score is is z = (x-μ)/σ,

where x is the raw score,

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σ is the population standard deviation.

We are told in the question that:

Babies born after a gestation period of 32-35 weeks have a mean weight of 2600 grams and a standard deviation of 660 grams. Also, we are supposing a 34-week gestation period baby weighs 3000grams

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z = (x-μ)/σ

x = 3000, μ = 2600 σ = 660

z = 3000 - 2600/660

= 400/660

=0.6060606061

Approximately, ≈ 0.61

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3 years ago
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2 years ago
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8 cm<br> 10 cm<br> 3 cm<br> 12 cm<br> Work out the shaded area of the shape?
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36 sq. cm

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