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Arte-miy333 [17]
3 years ago
12

I need help please !!!!

Mathematics
1 answer:
photoshop1234 [79]3 years ago
6 0

Answer:

equation: y = 50x + 75

The gift certificate will pay for the cost of 7 lessons and will have $40 left on it.

Step-by-step explanation:

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Suppose I claim that the average monthly income of all students at college is at least $2000. Express H0 and H1 using mathematic
pishuonlain [190]

Answer:

For this case we want to test if the the average monthly income of all students at college is at least $2000. Since the alternative hypothesis can't have an equal sign thne the correct system of hypothesis for this case are:

Null hypothesis (H0): \mu \geq 2000

Alternative hypothesis (H1): \mu

And in order to test this hypothesis we can use a one sample t or z test in order to verify if the true mean is at least 200 or no

Step-by-step explanation:

For this case we want to test if the the average monthly income of all students at college is at least $2000. Since the alternative hypothesis can't have an equal sign thne the correct system of hypothesis for this case are:

Null hypothesis (H0): \mu \geq 2000

Alternative hypothesis (H1): \mu

And in order to test this hypothesis we can use a one sample t or z test in order to verify if the true mean is at least 2000 or no

7 0
3 years ago
HAVE A NICE DAY <br> WILL GIVE BRAINLST :)
muminat

Answer:

1)  2 and 6 ; 4 and 8 ; 1 and 5 ; 3 and 7

2)  3 and 6 ; 4 and 5

3) 1 and 8 ; 2 and 7

7 0
3 years ago
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PLEASEE HELP HURRYYYYYY PLEASE
olga2289 [7]

Answer:

12.5

Step-by-step explanation:

We can use ratios to solve

4        4+6

---- = ----------

5         AC

4        10

---- = ----------

5         AC

Using cross products

4 * AC = 5*10

4AC = 50

Divide by 4

AC = 50/4

AC =12.5

5 0
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Help on number 9 please I will give thanks or brainliest
stealth61 [152]
<span>60,000 converted into tons is 

"30" 

Hope this helps!</span>
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