3 years ago

18/80 in simplest from

Mathematics

1 answer:

Vaselesa [24]3 years ago

6 0

Answer:

answer: 9/40

Step-by-step explanation:

18 ÷ 2 = 9 and 80 ÷ 2 = 40 and you can't go any further so 9/40 is the answer.

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An F5 tornado is classified as having mean wind speeds greater than 261 mph. In an effort to classify a recent tornado, 20 wind

Anna35 [415]

Answer:

Type 2 error

Step-by-step explanation:

H0 : μ = 261

H0 : μ > 261

By failing to reject H0 ; when the it is false. This means accepting null hypothesis when it is actually FALSE. Then a type 2 error has been committed.

This is different from a type 1 error whereby the null hypothesis is rejected when it is actually TRUE.

Hence, by finding no evidence to reject the null hypothesis during statistical testing when the actual windspeed of an F5 tornado during statistical testing is actually greater than 261 mph.

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3 years ago

shyla was buying gifts for each of her 8 cousins. she bought everyone either a ring for $6 or a toy for $7. If she spent a total

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7 * 5 = 35
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3 years ago

What's the value of x if 7x-5 =5x+23

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7x-5=5x+23
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2x=28
x=28/2
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3 years ago