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maxonik [38]
3 years ago
14

Find the area of 6 plz

Mathematics
2 answers:
marta [7]3 years ago
7 0
240 is your answer for number 6
sdas [7]3 years ago
5 0
8x10x3=240 your answer
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Answer the question please ​
Papessa [141]

Answer:

I believe it is 9ft

Step-by-step explanation:

7 0
3 years ago
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A university is interested in promoting graduates of its honors program by establishing that the mean GPA of these graduates exc
den301095 [7]

Step-by-step explanation:

Population Mean (u) = 3.50

Sample (n)= 36

Sample mean (x) = 3.60

Population standard deviation (s)= 0.40

Test statistics:

(Null hypothesis) H0: u= 3.5 (Population mean is equal to 3.5)

(Alternate hypothesis) H1: u> 3.5 (Population mean is greater than 3.5)

Z= \frac{x-u}{\frac{s}{\sqrt{n} } }= \frac{3.60-3.50}{\frac{0.4}{\sqrt{36} } }= \frac{0.10}{0.067}= 1.5

critical value= Z0.05= 1.645 (From Z table)

Since, Z value is less than critical Z value that is Z<1.645

We cannot reject null hypothesis

So, we decide to reject that the mean GPA of graduates exceeds 3.50

3 0
3 years ago
Can Somebody Help Me please ?​
Marysya12 [62]

Answer:

I think its 5 to the third (the second option). but I'm not sure. Im not the best with exponents.

4 0
3 years ago
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A train normally travels 240 km at a certain speed. One day, due
Marrrta [24]

\large\bf{\underline\red{Good \: Afternoon♡}}

Normal-travel DATA:

distance = 240 km

rate = x km/h

time = d/r

= 240/x hrs

_______________________

Bad weather DATA:

distance = 240 km

rate = (x-20) km/h

time = 240/(x-20) hrs

______________________

Bad time - normal time = 2 hrs

240/(x-20) - 240/x = 2

120/(x-20) - 120/x = 1

120x -120(x-20) = x(x-20)

20 = x^2 -20x

x^2 - 20x - 20 = 0

x = [20 +- sqrt(20^2 - 4*1*-20)]/2

x = [20 +- sqrt(480)]/2

x = [20 +- 4sqrt(30)]/2

x = 10 +- 2sqrt(30)

6 0
3 years ago
Help help please please
OlgaM077 [116]

Answer:

18

Step-by-step explanation:

This is actually pretty easy. Keep this in mind.

There are 34 total students. 16 of them like bananas and the rest like apples. All you really need to do is count up from 16 to 34 to find the answer.

The simple equation for this is: 34-16

Thus, the answer is 18.

3 0
3 years ago
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