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Softa [21]
3 years ago
6

Two circles that have two common external tangents but no common internal tangents:

Mathematics
1 answer:
N76 [4]3 years ago
4 0

"Common tangents to two circles may be internal or external. A common internal tangent intersects the line segment connecting the centers of the two circles whereas a common external tangent does not."

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Suppose an airline policy states that all baggage must be box shaped with a sum of​ length, width, and height not exceeding 114
NISA [10]

Answer:

Step-by-step explanation:

Represent the length of one side of the base be s and the height by h.  Then the volume of the box is V = s^2*h; this is to be maximized.

The constraints are as follows:  2s + h = 114 in.  Solving for h, we get 114 - 2s = h.

Substituting 114 - 2s for h in the volume formula, we obtain:

V = s^2*(114 - 2s), or V = 114s^2 - 2s^3, or V = 2*(s^2)(57 - s)

This is to be maximized.  To accomplish this, find the first derivative of this formula for V, set the result equal to 0 and solve for s:

dV

----- = 2[(s^2)(-1) + (57 - s)(2s)] = 0 = 2s^2(-1) + 114s - 2s^2

ds

Simplifying this, we get dV/ds = -4s^2 + 114s = 0.  Then either s = 28.5 or s = 0.

Then the area of the base is 28.5^2 in^2 and the height is 114 - 2(28.5) = 57 in

and the volume is V = s^2(h) = 46,298.25 in^3

7 0
3 years ago
What is the area of a circle with a radius of 1 foot?
vladimir2022 [97]

Pi feet squared (I hope I helped!)

5 0
3 years ago
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How do I find the slope of: y = -5x -1
Andrei [34K]
In a slope intercept equation in the form of y=mb+b,
m is the slope. m is the coefficient of x, meaning it is the number x is multiplied by. In this case, m happens to be
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which is your answer
5 0
3 years ago
Determine whether the given procedure results in a binomial distribution​ (or a distribution that can be treated as​ binomial).
MArishka [77]

Answer:

B. ​No, because the trials of the experiment are not independent and the probability of success differs from trial to trial.

Step-by-step explanation:

The first criterion of a binomial distribution is a fixed number of trials.  Selecting 5 senators means the number of trials is 5, which is a fixed number.

The next criterion is that the trials must be independent.  Selecting the senators without replacement means the trials are dependent, not independent; this means that this is not a binomial distribution.

5 0
4 years ago
SOMEONE HELP ME I WILL GIVE BRAINLIEST!!
Snezhnost [94]
Not exactly sure if I perfectly remember distributive property but you could right that like 18j + 24 + 15j
6 0
3 years ago
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