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liubo4ka [24]
3 years ago
10

There are 16 girls and 18 boys in a class. The teacher Chooses a students name at random to answer a question. What is the proba

bility that the teacher chooses a girl to answer the question?
Mathematics
1 answer:
murzikaleks [220]3 years ago
6 0

Step-by-step explanation:

girl=16

boy=18

picking a girl at random

the answer is = 1/16

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An island has some portion submerged in water. Point A on the island is at negative 7 over 3 feet from the surface of the sea. P
sashaice [31]

Answer:

1/6feet

Step-by-step explanation:

Given

Point A on the island = -7/3 feet from the sea surface

Point B on the island = -5/2 from the sea surface

The distance between the two points will be Point A - Point B

Distance between the two points = -7/3 - (-5/2)

= -7/3+5/2

Find the LCM

= {2(-7)+3(5)}/6

= -14+15/6

= 1/6

Hence the distance of the two points from the surface of the sea is 1/6feet

3 0
3 years ago
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Write 52 As a product of prime factors
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The factors of 52 is 1 2 4 13 26,
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Digiron [165]

Answer:

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Step-by-step explanation:

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Probability with OR
Nuetrik [128]

Answer:

  1. 60.8%
  2. 39.2%

Step-by-step explanation:

It is convenient to put the numbers into a table and fill in the remaining values. In the attachment, the given numbers are blue. The black numbers are the values that make the totals add up.

__

1. The probability of interest is the sum of the numbers in the table spaces shaded blue. You can find that sum several ways. The usual way used for an "OR" probability is ...

  p(<16 or night) = p(<16) + p(night) - p(<16 & night)

  = 37.1% + 27.5% - 3.8%

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__

2. This probability is the complement of the one in the first part. It is the value in the yellow-shaded box.

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7 0
3 years ago
For what values of x is x squared minus 36 equal 5x
quester [9]

Answer:

9 and -4

Step-by-step explanation:

change the word form to math form so now

x² - 36 = 5x     <u>This look like a factoring problem, so we put it equal to 0</u>

x² - 5x - 36 = 0     <u>Now factor</u>

(x - 9) (x + 4)     <u>We have to find 2 numbers that give -36 when we multiply and -5x when we add</u>

x - 9 = 0

x = 9

x + 4 = 0

x = -4

you can check by plugin the x value to actual equation.

4 0
3 years ago
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