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notsponge [240]
3 years ago
11

Help! algebra 2, quadratic formula! timed!

Mathematics
1 answer:
hichkok12 [17]3 years ago
5 0
The answer to the question

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A race at travels at a rate of 205 mph how far would it travel in 3 hours?
Liono4ka [1.6K]
615 miles, because you do 205*3
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PLEASE HELP WILL GIVE BRAINLEST
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Protons is the answer that makes the most sense
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An employee’s time at work increased from 32 hours per week to 40 hours per week. By what percentage did the time at work per we
stealth61 [152]

Answer:

25%

Step-by-step explanation:

The formula for finding change over time

P= N-O/O times 100

P= percent

N= new value (for this problem 40)

O= old value (for this problem 32)

100 to get the percentage

First, subtract 32 from 40 to get 8.

Then, divide 8 by 32 to get 0.25

Lastly multiply by 100 to get 25 which is your percentage of change

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3 years ago
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Decide which chi-square test (goodness-of fit, homogeneity, or independence) would be most appropriate for the given situation.
sasho [114]

Answer:

C. Test for Goodness-of-fit.

Step-by-step explanation:

C. Test for Goodness-of-fit would be most appropriate for the given situation.

A. Test Of  Homogeneity.

The value of q is large when the sample variances differ greatly and is zero when all variances are zero . Sample variances do not differ greatly in the given question.

B. Test for Independence.

The chi square  is used to test the hypothesis about the independence of two variables each of which is classified into number of attributes. They are not classified into attributes.

C. Test for Goodness-of-fit.

The chi square test is applicable when the cell probabilities depend upon unknown parameters provided that the unknown parameters are replaced with  their estimates and provided that one degree of freedom is deducted for each parameter estimated.

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3 years ago
MARKING BRAINIEST: A constructor is measuring the perimeter of a plot for a building. 69% of the way around the perimeter, the c
anzhelika [568]

Answer:

15.94 meters

Step-by-step explanation:

11/0.69 = 15.942.......

Round it to get 15.94

5 0
3 years ago
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