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k0ka [10]
3 years ago
9

Each side of the square below is 8 inches. What is the probability that a point chosen at random in the square is in the blue re

gion? 0.25 0.33 0.66 0.75

Mathematics
2 answers:
Maksim231197 [3]3 years ago
7 0
If each side of the square below is 8 inches, the probability that a point chosen at random in the square is in the blue region would be 0.25.
Alexxandr [17]3 years ago
7 0

Answer:

The probability that a point chosen at random in the square is in the blue region will be 0.75.

Step-by-step explanation:

We can see that the blue portion is 3/4 the total image.

So, the probability that a point chosen at random in the square is in the blue region will be 3/4.

\frac{3}{4}= 0.75

Therefore, the answer is 0.75.

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Polygon Q is a scaled copy of Polygon P using a scale factor of 1/2. Polygon 1 point
DiKsa [7]

Answer:

  1/4

Step-by-step explanation:

The scale factor for area is the square of the scale factor for linear dimensions.

  area scale factor = (1/2)² = 1/4

Polygon Q's area is 1/4 of the area of Polygon P.

7 0
3 years ago
Joe and Ella combine their photos. Then they put an equal number on each page of an 8-page photo album. How many photos are on e
Kruka [31]
2 pictures I’m pretty sure
7 0
3 years ago
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Determine the measure of an angle (in radians) that cuts off an arc length of 6.4 inches in a circle with a 6.4 inch radius.
serg [7]
1 radian
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5 0
2 years ago
In a large population of college-educated adults, the mean IQ is 118 with a standard deviation of 20. Suppose 200 adults from th
cricket20 [7]

Answer: 0.0793

Step-by-step explanation:

Let the IQ of the educated adults be X then;

Assume X follows a normal distribution with mean 118 and standard deviation of 20.

This is a sampling question with sample size, n =200

To find the probability that the sample mean IQ is greater than 120:

P(X > 120) = 1 - P(X < 120)

Standardize the mean IQ using the sampling formula : Z = (X - μ) / σ/sqrt n

Where;  X = sample mean IQ; μ =population mean IQ; σ = population standard deviation and n = sample size

Therefore, P(X>120) = 1 - P(Z < (120 - 118)/20/sqrt 200)

                                 = 1 - P(Z< 1.41)

The P(Z<1.41) can then be obtained from the Z tables and the value is 0.9207

Thus; P(X< 120) = 1 - 0.9207

                          = 0.0793

3 0
3 years ago
Write the product 3i(5 - 3i) in the form a + bi.
stiks02 [169]

Answer:

9+15i

Step-by-step explanation:

3 0
2 years ago
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