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galben [10]
3 years ago
10

Help me solve please

Mathematics
1 answer:
GarryVolchara [31]3 years ago
4 0
(4+5+2)
11X6-8
66-8
58-1
57

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Which of the events below is an example of a conditional probability?
igomit [66]
Statement 1 is an example of conditional probability.

Events with conditional probability always follow the format:

The probability of A happening, given that B has already happened.
3 0
3 years ago
In a group of 92 students 40 have brown eyes, 35 have hazel eyes, and 17 have blue eyes. Find the probability that a student pic
Oliga [24]

Answer:

as a fraction = 75/92

as a percentage = 81.52%

Step-by-step explanation:

total no of students = 92

probability that a student has hazel or brown eyes = Pr(hazel or brown)

but probability of a or b happening ie Pr(a or b) simply is Pr (a) +Pr (b)

therefore Pr(hazel or brown) = Pr(hazel)+ Pr(brown)

Pr(brown) = (no of brown eyes )/(total set of eyes)

                = 40/92 = 10/23

Pr( hazel) = (no of hazel eyes )/(total set of eyes)

                  = 35/92 =35/92

hence Pr(hazel or brown) = (10/23) + (35/92) =75/92

so there's 75/92 probability (or 0.8 out of 1 chance )to choose either hazel or brown randomly

6 0
3 years ago
A 429 g piece of cheese costs $9.50. What will be the cost for 1.42 kg of this cheese?
stellarik [79]

The cost for 1.42 kg of this cheese will be $ 31.44 .

<h3>What does unit conversion entail?</h3>

The process of translating measurements of a given quantity between different units, frequently using multiplicative conversion factors that change the value of the measured quantity without changing its effects, is known as unit conversion. The specific circumstances and the desired result dictate the conversion process. This may be governed by a regulation, contract, set of technical requirements, or other publicly available standards.

<h3>Why is the unitary technique used? What is it?</h3>

In its simplest form, the unitary procedure is used to determine the value of a single unit from a given multiple.

How to calculate the value of one pen, for example, if 40 cost Rs. 400. To finish it, using the unitary method. Additionally, after the value of a single unit has been established, we can multiply that value by the quantity of additional units required to establish the value of the additional units. This is typically how the concepts of ratio and proportion are used. The unitary method entails calculating the value of a single unit before calculating the value of the required number of units.

Given that 0.429 kg of cheese cost $9.50

As a result, the price of 1 kg of cheese is $9.50/0.429, which is $ 22.14.

As a result, 1.42 kg of cheese will cost you $22.14 * 1.42 = $31.44.

To learn more about unit conversion, tap on the link below:
brainly.com/question/24587372

#SPJ10

5 0
2 years ago
This is a 5-digit number.
borishaifa [10]

Answer:

The number is 38,478

Step-by-step explanation:

* Lets explain how to find the number

- The number is 5-digit

* Ones ⇒ the last digit

* Tens

* Hundreds

* Thousands

* Ten thousand

- The ones digit is the same as the last digit of last year's calendar year

∵ The last year is 2018

∴ The last digit is 8

∴ The ones digit is 8

- The ones digit is the same as the thousands digit

∵ The ones digit is 8

∴ The thousands digit is 8

- The ten thousands digit is five less than the thousands digit

∵ The thousands digit is 8

∴ The ten thousands digit is 5 less than 8

∵ 8 - 5 = 3

∴ The ten thousands digit is 3

- The last two digits sum to 15

∵ The last two digits are ones and tens digits

∵ The ones digit is 8

∵ 15 - 8 = 7

∴ The tens digit is 7

- There is one 4 in the number

∵ The hundreds digit is empty

∴ The hundreds digit is 4

* <em>The number is 38,478</em>

8 0
4 years ago
Matthew is 26 years old. He buys 50/100/25 liability insurance, and collision and comprehensive insurance, each with $250 deduct
jonny [76]

Answer:

<em>$1,846.9</em>

Step-by-step explanation:

Liability Insurance 50/100/25

Where 50/100=$310; and 25=$175. The equation is ($310+$175=<em><u>$485</u></em>)

Collision & Comprehensive Premiums

Where Deductible=$250; Collision=$185; and Comprehensive=$102. The equation is ($250+$185+$102=<em><u>$537</u></em>)

He gets a 25-29 aged male rating factor of 1.55 for each of them. Liability's equation is $310*1.55=<u>$</u><em><u>480.5</u></em>; and for Collision and Comprehensive the equation is $(185+102)*102=<em><u>$344.4</u></em>

Added all up (<em>$485+$537+$480.5+$344.4=</em><em><u>$</u></em><em>1,846.9)</em>


8 0
4 years ago
Read 2 more answers
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