3 years ago

Find the measure of the missing angle 60° 90° 65° 25°

Mathematics

1 answer:

photoshop1234 [79]3 years ago

4 0

Where is the picture?? We can’t help if there is no other part

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At a school, 40% of the sixth-grade students said that hip-hop is their favorite kind of music. If 100 sixth-grade students pref

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Answer:

260

Step-by-step explanation:

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3 years ago

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First Row

$\frac{5}{18}$

$\frac{10}{21}$

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(this one is already done)

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3 years ago

Find the area of the following rectangle. length = 12 ft. width = 8 ft.

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96 ft

Step-by-step explanation:

A= bh

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A = 96

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Step-by-step explanation:

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3 years ago

Suppose that x is the probability that a randomly selected person is left handed. The value (1-x) is the probability that the pe

harina [27]

Answer:

The maximum variance is 250.

Step-by-step explanation:

Consider the provided function.

$V(x)=1000x(1-x)$

$V(x)=1000x-1000x^2$

Differentiate the above function as shown:

$V'(x)=1000-2000x$

The double derivative of the provided function is:

$V''(x)=-2000$

To find maximum variance set first derivative equal to 0.

$1000-2000x=0$

$x=\frac{1}{2}$

The double derivative of the function at $x=\frac{1}{2}$ is less than 0.

Therefore, $x=\frac{1}{2}$ is a point of maximum.

Thus the maximum variance is:

$V(x)=1000(\frac{1}{2})-1000{\frac{1}{2}}^2$

$V(x)=250$

Hence, the maximum variance is 250.

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4 years ago