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hodyreva [135]
3 years ago
5

A spinner has 8 sections. 2 are grey 6 are blue. The spinner is spun twice what is the probability that the first lands on grey

and the second lands on blue.
Mathematics
1 answer:
sweet [91]3 years ago
5 0

Answe

Step-by-step explanation:

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The pie chart shows how 36 pupils travel to school.
Masja [62]

Answer:

bus = (120/360) × 36

= 12 pupils

walk = (90/360) × 36

= 9 pupils

4 0
3 years ago
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How many are 4 raised to 3 ???​
Likurg_2 [28]

Answer:

64

Step-by-step explanation:

4^3

This is 4 multiplied by itself 3 times

4*4*4

64

7 0
2 years ago
A new drug on the market is known to cure 20% of patients with breast cancer. If a group of 20 patients is randomly
Alenkasestr [34]

Answer:

It's actually C

Step-by-step explanation:

don't forget about the probability of 0 too

you have to add the two probability formulas

4 0
3 years ago
Given the following coordinates complete the reflection transformation.
Igoryamba

The <em>double</em> reflection generates the following three points: A''(x, y) = (1, - 1), B''(x, y) = (2, 2) and C''(x, y) = (5, 2).

<h3>How to generate a set of point by rigid transformations</h3>

In this problem we must apply two <em>rigid</em> transformations to find three points. The formula for reflection over an axis parallel to the y-axis is defined below:

P'(x, y) = (x', k) - [P(x, y) - (x', k)]     (1)

Where:

  • x' - x-coordinate of the point P(x, y).
  • P(x, y) - Original point
  • P'(x, y) - Resulting point

If we know that A(x, y) = (1, - 5), k = - 1 and k' =  1, then the resulting points are:

Point A

A'(x, y) = (1, - 1) - [(1, - 5) - (1, - 1)]

A'(x, y) = (1, - 1) - (0, - 4)

A'(x, y) = (1, 3)

A''(x, y) = (1, 1) - [(1, 3) - (1, 1)]

A''(x, y) = (1, 1) - (0, 2)

A''(x, y) = (1, - 1)

Point B

B'(x, y) = (2, - 1) - [(2, - 2) - (2, - 1)]

B'(x, y) = (2, - 1) - (0, - 1)

B'(x, y) = (2, 0)

B''(x, y) = (2, 1) - [(2, 0) - (2, 1)]

B''(x, y) = (2, 1) - (0, - 1)

B''(x, y) = (2, 2)

Point C

C'(x, y) = (5, - 1) - [(5, - 2) - (5, - 1)]

C'(x, y) = (5, - 1) - (0, - 1)

C'(x, y) = (5, 0)

C''(x, y) = (5, 1) - [(5, 0) - (5, 1)]

C''(x, y) = (5, 1) - (0, - 1)

C''(x, y) = (5, 2)

The <em>double</em> reflection generates the following three points: A''(x, y) = (1, - 1), B''(x, y) = (2, 2) and C''(x, y) = (5, 2).

To learn more on rigid transformations: brainly.com/question/1761538

#SPJ1

3 0
1 year ago
Trucks in a delivery fleet travel a mean of 100 miles per day with a standard deviation of 37 miles per day. The mileage per day
timama [110]

Answer: the probability that a truck drives between 166 and 177 miles in a day is 0.0187

Step-by-step explanation:

Since mileage of trucks per day is distributed normally, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = mileage of truck

µ = mean mileage

σ = standard deviation

From the information given,

µ = 100 miles per day

σ = 37 miles miles per day

The probability that a truck drives between 166 and 177 miles in a day is expressed as

P(166 ≤ x ≤ 177)

For x = 166

z = (166 - 100)/37 = 1.78

Looking at the normal distribution table, the probability corresponding to the z score is 0.9625

For x = 177

z = (177 - 100)/37 = 2.08

Looking at the normal distribution table, the probability corresponding to the z score is 0.9812

Therefore,

P(166 ≤ x ≤ 177) = 0.9812 - 0.9625 = 0.0187

5 0
3 years ago
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