MATHEMATICS MIDDLE SCHOOL

A teacher surveyed his class about how many wore watches and how many wore rings. The Venn diagram shows her results. If a person from the class is randomly selected, what is the probability that person wears a watch given that they wear a ring? P( watch | ring )

A. 7/12
B. 1/6
C. 1/12
D. 2/7
URGENT PLEASE HELP

Answers

Answer 1
Answer: I think it’s C I hope that helps
Answer 2
Answer:

Answer:

Step-by-step explanation:

Person who wears a watch + ring

Lets say the fraction of people wearing the rings is 1/X

Lets say the fraction of people wearing a watch is 2/y

The formula is multiplication for both (Key words: and)

The formula is add for one or the either (key words: or)

The question says that person wears a watch given that they wear a ring

It mean that they wear a watch + a ring.

THat mean multiplication!

Lets use the example: 1/x · 2/y = 2/xy

This makes 2/xy your answer for the example.

Now lets do another example:

Lets say the fraction of people wearing the rings is 1/3

Lets say the fraction of people wearing a watch is 2/3

Multiplication!!!!

1/3 x 2/3 = 2/9

This makes 2/9 your answer to this example!!!!

Hope I helped a lot!!!!!!!!!!!!!!!!!!

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What is the purpose of using fraction strips and a 1 strip?

Answers

Fraction strips are a very useful medium to teach a child about the fundamental theories of fraction. It is very tough for any child to grip fraction fundamentals initially, unless the fractions are broken down. 1 strip or a single strip often confuses the child. So fraction strips like ½, 1/3, 2/3 etc. are used for giving better explanation. When the strips are cut into such sizes and placed beside each other, then it becomes visually easy to see. Then the fundamentals of fractions can easily be explained.



10 (-7/8)=(-7/8) 10 name the property the equation illustrates

Answers

Commutative Property of Multiplication

9. Ms. Ortiz sells tomatoes wholesale. The function p(x)=–80x2 + 320x – 10, graphed below,indicates how much profit she makes on a load of tomatoes if she sells them for 4- x dollars
per kilogram

What should Ms.Ortiz charge per kilogram of tomatoes to make the maximum profit, and what is the maximum profit she can make on a loaf of tomatoes

A. $230 at $3 per kilogram
B. $310 at $2 per kilogram
C. $320 at $2 per kilogram
D. $320 at $3 per kilogram

Answers

Answer:

The correct answer is B. $310 at $2 per kilogram

Step-by-step explanation:

1. Let's find out the maximum profit Ms. Ortiz can make with a loaf of tomatoes:

function p(x)=–80x² + 320x – 10

For x = 1, price per kilogram of tomatoes would be: 4 - x = 3

–80x² + 320x – 10, replacing with x = 1

-80 * 1² + 320 * 1 - 10 = -80 + 320 - 10 = 230

For x = 2 price per kilogram of tomatoes would be: 4 - x = 2

–80x² + 320x – 10, replacing with x = 2

-80 * 2² + 320 * 2 - 10 = -320 + 640 - 10 = 310

For x = 3, price per kilogram of tomatoes would be: 4 - x = 1

–80x² + 320x – 10, replacing with x = 3

-80 * 3² + 320 * 3 - 10 = -720 + 960 - 10 = 230

The correct answer is B. $310 at $2 per kilogram

Answer:The correct answer is B.) $310 at $2 per kilogram

Hope this helps :D

What is the gcf of 60 and 20

Answers

Since 20 is the largest number common to both lists, the GCF of 40 and 60 is 20.
20 because it can easily go into both 60 and itself once

Can somewon help me i dont get this kind of math

Answers

Answer:

256 in²

Step-by-step explanation:

Answer:

256 inches squared

Step-by-step explanation:

You find the area of all of the area on the sides and then add them

What is the ratio 10:12 in 1:n

Answers

so 10:12
we want to convert 10 to 1
divide both by 10
10/10=1
12/10=1.2
answer
10:12=1:1.2
n=1.2
(10)/(12) =(1)/(n)\n\n\sf{Cross~multiply}}\n\n10n = 12\n\n\sf{Divide~both~sides~by~10}\n\n \boxed{\bf{n = 1.2}}

n = 1.2
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PLEASE PLEASE HELP ME!! NEEDING HELP BADLY!please see the attached image I can't figure out the questions!