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astra-53 [7]
3 years ago
13

"I think of a number, take away 1 and multiply the result by 3."

Mathematics
1 answer:
zhenek [66]3 years ago
7 0

Answer:

(x-1)3

3x-3

Step-by-step explanation:

I came up with this.

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Round to the greatest place to estimate the answer.<br><br> 398 x 51 =____
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20,300

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A motorcyclist rides 976 miles, using 30.5 gallons of gasoline. What is the mileage, in miles per gallon
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Find the missing measures. Write your numerical answers only with a comma in between.
Katen [24]

Answer:

m∠T = 72°

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Step-by-step explanation:

Property of an isosceles triangle,

Opposite angles of two equal sides of an isosceles triangle are equal in measure.

By this property, in the given triangle STU,

Since, ST ≅ TU,

m∠S = m∠U = 54°

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7 0
3 years ago
Child Health and Development Studies (CHDS) has been collecting data about expectant mothers in Oakland, CA since 1959. One of t
liraira [26]

Answer:

<em>A.) There is a 3.4% chance that a random sample of 50 expectant mothers will have a mean age of 26.5 years old or greater if the mean age for a first time mother is 26 years old.</em>

Step-by-step explanation:

The mean age for a first time mother is assumed 26 years old (null hypothesis) and <em>p-value</em> of the sample mean (26.5 years ) is found as 0.034.

This is the probability of having first time mother mean age 26.5 or greater <em>under the assumption of null hypothesis. </em>

3 0
3 years ago
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