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3 years ago

Write the name of the period that has the digits 145 of 145,973

Mathematics

2 answers:

vfiekz [6]3 years ago

6 0

This is the thousands period

Naya [18.7K]3 years ago

3 0

This is the: Thousands period.

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Margaret uses 1 3/4 teaspoon of vanilla to make 12 vanilla cupcakes. She wants to make 30 cupcakes. How much vanilla will Margar

Dimas [21]

4 3/8
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35/8
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4 years ago

Read 2 more answers

Factor completely 8x2-4x-84

mr_godi [17]

Answer: 4 • (2x - 7) • (x + 3)

Step-by-step explanation:

(4x+12)(2x-7)

8x²-28x+24x-84

8x²-4x-84

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3 years ago

You are baking cookies for your class. There are 23 total students in your class and you have baked 12 cookies. Write and solve

mario62 [17]

Answer:

x= 34

Step-by-step explanation:

$\frac{x+12}{2}$ =23

7 0

3 years ago

An article in Medicine and Science in Sports and Exercise "Maximal Leg-Strength Training Improves Cycling Economy in Previously

Hatshy [7]

Answer:

The 99% confidence interval for the mean peak power after training is [299.4, 330.6]

$299.4\leq\mu\leq 330.6$

Step-by-step explanation:

We have to construct a 99% confidence interval for the mean.

A sample of n=7 males is taken. We know the sample mean = 315 watts and the sample standard deviation = 16 watts.

For a 99% confidence interval, the value of z is z=2.58.

We can calculate the confidence interval as:

$M-z\sigma/\sqrt{n}\leq\mu\leq M+z\sigma/\sqrt{n}\\\\315-2.58*16/\sqrt{7}\leq\mu\leq 315+2.58*16/\sqrt{7}\\\\315-15.6\leq \mu\leq 315+15.6\\\\299.4\leq\mu\leq 330.6$

The 99% confidence interval for the mean peak power after training is [299.4, 330.6]

5 0

3 years ago

Molly has a jar containing 4 yellow, 3 blue, 3 green, and 2 orange marbles

NeTakaya

Answer: .111 with a bar notation over the last 1 or 11.1%

Step-by-step explanation:

There are 12 marbles in total. There are 4 yellow marbles. Therefore there is a 4/12 probability of Randomly picking a Yellow marble the first time . Since she placed the marble back, there is a 4/12 probability of getting a yellow marble the 2nd time.

(4/12)(4/12) = 16/144 = 1/9 = .111 with a bar notation over the last 1 or 11.1% (about 11%)

6 0

3 years ago