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Mrrafil [7]
2 years ago
6

Factor and solve pretty please help me

Mathematics
2 answers:
nikitadnepr [17]2 years ago
8 0

Answer:

-i

Step-by-step explanation:

3i-4i=-i

zysi [14]2 years ago
3 0
The answer is NaN
It is Not a Number
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Lisa’s age is 4 years older than three times sammy’s Age. Lisa is 28 years old let s represent sammy’s Age
mel-nik [20]

Answer:

Sammy is 8 years old

Step-by-step explanation:

3s + 4 = 28 is the equation you need to use you have to get s on its own to find Sammy's age

3s + 4 = 28    subtract 4 from both sides

3s = 24      divide both sides by 3

s = 8      Sammy is 8 years old

3 0
3 years ago
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Use lagrange multipliers to find the maximum volume of a rectangular box that is inscribed in a sphere of radius r
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For the derivative tests method, assume that the sphere is centered at the origin, and consider the circular projection of the sphere onto the xy-plane. An inscribed rectangular box is uniquely determined

1

by the xy-coordinate of its corner in the first octant, so we can compute the z coordinate of this corner by

x2+y2+z2=r2 =⇒z= r2−(x2+y2). Then the volume of a box with this coordinate for the corner is given by

V = (2x)(2y)(2z) = 8xy r2 − (x2 + y2),

and we need only maximize this on the domain x2 + y2 ≤ r2. Notice that the volume is zero on the boundary of this domain, so we need only consider critical points contained inside the domain in order to carry this optimization out.

For the method of Lagrange multipliers, we optimize V(x,y,z) = 8xyz subject to the constraint x2 + y2 + z2 = r2<span>. </span>

7 0
3 years ago
A 90% confidence interval for the average weight (in pounds) of Americans was found to be (185, 210). The point estimate for thi
Lynna [10]

Answer:

B. 12.5

Step-by-step explanation:

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The upper confidence interval = 210

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Mean of X = 185 + 210/2

= 197.5

The margin of error = the upper confidence interval - mean of X

= 210-197.5

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Step-by-step explanation:

it says: The half portion stays in her body for 8 hours.

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Answer:The number doubles each Hour Apex :)


Step-by-step explanation:


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3 years ago
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