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3 years ago

Rob cuts a 15 foot wire into 8 equal pieces about how long is each piece

Mathematics

2 answers:

Alexeev081 [22]3 years ago

7 0

They are 1.875 long I guess

olga55 [171]3 years ago

3 0

Each piece would be 1.875. But, you could probably just write 1 and round 8, 7 or 5 then you would get 1.(answer here)

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g You flip the coin 200 times and observed 80 Heads. Recall from the problem Hypothesis Testing: A Sample Data Set of Coin Flips

Mrrafil [7]

Answer:

Step-by-step explanation:

To be able to draw a conclusion from the data given, lets find out the p value using the t score and this will be used to make a conclusion.

If the p value is less than 0.05 then, we will reject the null but if otherwise we will fail to reject the null.

Using a p value calculator with a t score of 2.83, significance level 0.05 and the test is a two tailed test, the p value is 0.004655 which is less than 0.05 and the result is significant.

This we will reject the null hypothesis H0:p∗=1/2 for this data set.

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4 years ago

What is the volume of a block of ice measuring 3 meters long, 1.5 meters wide, and 2 meters high?

vekshin1

The volume would be 9meters³

3x1.5x2

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3 years ago

Read 2 more answers

What is the answer to both sides of this inequality 5x−4≥12 OR 12x+5≤−4

iogann1982 [59]

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3 years ago

Read 2 more answers

Can I get some help on this assignment please

sergejj [24]

Answer:

1.) -1800x + 39000

2.) 39000

Step-by-step explanation:

6 0

3 years ago

A college some completed some courses worth 3 credits and some courses worth 4 credits. The students earned a total of 59 credit

Law Incorporation [45]

The student completed 13 courses with 3 credit hours.

Step-by-step explanation:

Total credit hours = 59 credits hours

Total courses = 18

Let,

3 credit hours courses = x

4 credit hours courses = y

According to statement;

x+y=18 Eqn 1

3x+4y=59 Eqn 2

Multiplying Eqn 1 by 3

$3(x+y=18)\\3x+3y=54\ \ \ Eqn\ 3$

Subtracting Eqn 3 from Eqn 2

$(3x+4y)-(3x+3y)=59-54\\3x+4y-3x-3y=5\\y=5$

Putting y=5 in Eqn 1

$x+5=18\\x=18-5\\x=13$

The student completed 13 courses with 3 credit hours.

Keywords: linear equation, elimination method

Learn more about linear equations at:

#LearnwithBrainly

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3 years ago