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RoseWind [281]
3 years ago
6

Please help me! I will give brainliest

Mathematics
1 answer:
Nuetrik [128]3 years ago
7 0

Answer:

Malfoy

Step-by-step explanation:

Draco,Malfoy

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Express the null hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol ​(mu​, ​p, sigma​) for the i
ValentinkaMS [17]

Answer:

H_o:\mu = 48\\H_a:\mu\neq48

Step-by-step explanation:

Given : . The manufacturer of a refrigerator system for beer kegs produces refrigerators that are supposed to maintain a true mean​ temperature, 48°​F, ideal for a certain type of German pilsner.

To Find :  The owner of the brewery does not agree with the refrigerator​ manufacturer, and claims he can prove that the true mean temperature is incorrect.

Solution:

We are given that refrigerators that are supposed to maintain a true mean​ temperature, 48°​F.

Claim : The true mean temperature is incorrect.

So, null hypothesis and alternate hypothesis will be :

H_o:\mu = 48\\H_a:\mu\neq48

So, Option D is true .

3 0
3 years ago
The function c= 1.50(n-2) +5.50 represents the costs c in dollars of printing n invitation. Which of the following is not true
ratelena [41]
For this case we have the following equation:
 
 Where,
 n: number of invitations:
 c: cost in dollars
 We note that the slope of the line for this case is:
 
 The slope represents the cost of printing each of the invitations.
 Therefore, it is false that the cost of printing each invitation is $ 5.50
 Answer:
 the following is not true:
 A) each invitation costs $ 5.50 to print.

I hope this helped you! Good luck!
7 0
3 years ago
Translate this phrase into an algebraic expression.
Oliga [24]

Answer:

i am not tallent in maths

8 0
3 years ago
Read 2 more answers
Margo borrows $500, agreeing to pay it back with 3% annual interest after 14
Akimi4 [234]

Answer:

\$17.50

Step-by-step explanation:

we know that

The simple interest formula is equal to

I=P(rt)

where

I is the Final Interest to pay

P is the amount of money borrowed

r is the rate of interest  

t is Number of Time Periods

in this problem we have

t=\frac{14}{12}\ years\\ P=\$500\\r=3\%=3/100=0.03

substitute in the formula above

I=500(0.03)(\frac{14}{12})

I=\$17.50

4 0
3 years ago
Help me now now plz I’m trying to passssss
wlad13 [49]
I’m sure your answer is D. 180 - 125 will get you 55.!
Have a nice day!
4 0
2 years ago
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