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uysha [10]
2 years ago
14

To get to work, Marcus walks half a mile to the bus stop. The average bus speed is 30 mph, and Marcus rides the bus for 20 minut

es how far is his work from his home
Mathematics
1 answer:
dedylja [7]2 years ago
6 0
Ten and a half miles, I believe.
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the area of a rectangular field is x^2-x-72 m^2. The length of the field is x+8 cm. What is the width of the field meters.
Gre4nikov [31]
Hello,


A(x)=x²-x-72 (m²)
L=(x+8) (cm)= (x+8)/100 (m)

We suppose here x≠-8
(in reality x²-x-72>0 ==>x<-8 or x>9
but x+8>0 ==> x>-8
 then
only x>9 are solutions)

W=A(x)/ ((x+8)/100 )=100*(x²-x-72)/(x+8)= 100*(x-9)(x+8)/(x+8)=100*(x-9)

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3 years ago
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aev [14]

Answer:

for Question 2 its 2/7

Step-by-step explanation:

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2 years ago
A____ is a fixed position in space and has no dimensions or size. hins​
amid [387]

Answer:

Point

Step-by-step explanation:

This is the definition of a point.

A "point" is a fixed position in space and has no dimensions or size.

Cheers.

6 0
3 years ago
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valkas [14]

Answer:

c) t-test of population mean

Explanation:

The t-test statistic is used in hypothesis testing. Here we would use a one sample t test to test our hypothesis. The one sample t test measures the statistical difference between the hypothesized mean and the sample mean. In a one sample t test or single sample t test, a test variable is measured against a test value.

Example we compare our test variable to the hypothesized mean value $75 above.

The t test is used instead of z score when standard deviation is unknown.

Using the t test, we either accept or reject the null hypothesis given alternative hypothesis.

6 0
2 years ago
Plz answer the following file attached
Finger [1]

Answer:

i like how to tell us to answer something with no file

Step-by-step explanation:

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