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Alinara [238K]
3 years ago
10

Packages of laundry soap are labeled 70 oz, but they are actually filled with mean contents of 70.2 oz and standard deviation 0.

6 oz. if a student took a random 30 boxes of the soap and weighed the contents of each, the mean of the sampling distribution of the mean of samples of size 30 is
Mathematics
1 answer:
kozerog [31]3 years ago
3 0

Answer:

Step-by-step explanation:

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15 Points
lakkis [162]

Answer:

y = 22⅘

Step-by-step explanation:

5x = 4

x = 0.8

y + 62(0.8) - 3y = 4

2y = 49.6 - 4

2y = 45.6

y = 22.8

4 0
3 years ago
The sum of three numbers is 69. If the second number is equal to the first diminished by 8, and the third number is 5 times the
julsineya [31]
(5)x=8 ....(5)x mean multiply 5 
6 0
3 years ago
Read 2 more answers
Find the equation of a line passing through the point (6,−5) and parallel to the line y = 7x + 1. answers : y = 7x − 47 y = −17x
Elan Coil [88]

Answer:

<h2>y = 7x-47</h2>

Step-by-step explanation:

y = 7x + 1.\\(6,-5)\\m= 7\\x1= 6\\y1 = -5\\y-y1=m(x-x1)\\y-(-5) = 7(x-6)\\y+5=7x-42\\y=7x-42-5\\y = 7x-47

3 0
3 years ago
Suppose that a is a nonzero constant for which the equation ax^2+20x+7=0 has only one solution. find this solution.
Talja [164]
\Delta=0\\\\&#10;\Delta=20^2-4\cdot a\cdot7=400-28a\\&#10;400-28a=0\\&#10;28a=400\\&#10;a=\dfrac{400}{28}=\dfrac{100}{7}&#10;&#10;
4 0
3 years ago
Find an equation of the circle that has center (-1,1 ) and passes through (1,-6)
Ivahew [28]

Answer:

(x+1)^2+(y-1)^2=53

Step-by-step explanation:

The standard form for the equation of a circle is (x-h)^2+(y-k)^2=r^2, where h is the x coordinate of the center, k is the y coordinate, and r is the radius. To find the radius of this circle, we can simply find the distance from the center to any of the points on its circumference. Using the distance formula, you know that the distance from (-1,1) to (1,-6) is:

\sqrt{(1-(-1))^2+(1-(-6))^2}=\sqrt{2^2+7^2}=\sqrt{4+49}=\sqrt{53}

Therefore, the equation of this circle is:

(x+1)^2+(y-1)^2=53

Hope this helps!

7 0
2 years ago
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