MATHEMATICS HIGH SCHOOL

HELP!! (20-30 points) and brainlist

Answers

Answer 1

Answer:

Answer:

82.8

Step-by-step explanation:

Formula

multiply the length value by 36

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Really confused. Need help asap

Answers

Terms:

Domain - All the "x" values (horizontal)
Range - All the "y" values (vertical)

Writing in interval notation:

[] - Point is included

() - Point not included.

Domain = [8,12]

Range = [-6,-2]

Wedgewood is looking to buy new computers from one of two companies. ComputersRus will charge $650 per computer. SchoolzToolz will charge the school $200 per computer as long as the school gives them a $75,000 contract. Which expression represents SchoolzTools? a) $650x + $0 b) $650 + $0x c) $200x + $75,000 d) $200 + $75,000x

Answers

Answer:

c) $200x + $75,000

Step-by-step explanation:

Egg noodles: Package A is 12 oz. for $0.99. Package B is 2 lbs. for $2.56 Which is the better deal

Answers

Answer:

Package A

Step-by-step explanation:

$0.99 ÷ 12oz = 0.0825

2lb = 32oz

$2.56 ÷ 32oz = 0.0800

therefore the package a is a better deal

The data set gives the number of hours it took each of the 10 students in a cooking class to master a particular technique. {5, 3, 5, 30, 4, 5, 4, 3, 4, 5}

what is the best measure of center for this data set (FQ, mean, median, or range) , and its value is (3, 4, 4.5, or 6.8)

Answers

Answer: The best measure of center for this data set is median , and its value is 4.5 .

Step-by-step explanation:

The given data set : {5, 3, 5, 30, 4, 5, 4, 3, 4, 5}

We can see that it has an outlier (i.e. 30) which is extremely large from all the values.

We know that to measure the center of tendency we measure one of three things arranged in ascending order:

Mode< Median <Mean

But mean gets affected by outlier value.

Then the best measure of center for this data set must be Median.

For this, arrange given data set in order:

{3 ,3 ,4 ,4 ,4 ,5 ,5 ,5 ,5 ,30 }

Since , the number of data values = 10 (even)

Then , Median = Mean of two middle most numbers

$(4+5)/(2)=4.5$

Hence, the best measure of center for this data set is median , and its value is 4.5 .

Alison is selling and buying baseball cards online. She sells each card for $3.25 and buys each card for $5.50. If she sold 4 cards and bought 7 cards, did she end up making money or spending money and how much money did she spend or make? A) she made $0.75 B) she made $51.50 C) she made $25.50 D) she spent $25.50 E) she spent $51.50

Answers

Each card she sells cost $3.25.

y = 3.25s

y = 3.25(4) = 13

Each card she buys cost $5.50.

y = 5.25b

y = 5.25(7) = 38.5

She spent 38.5 dollars in total. However, you need to subtract the money she earned by the total cost.

38.5 - 13 = 25.5

She paid 25.5 dollars out of her own pocket, including the money she earned from selling cards she paid 38.5 dollars.

So the answer is "She spent $25.50"

Let me know if it's correct

income :
she sells each card for 3.25....and she sells 4 cards...so she made :
3.25(4) = $ 13.

expenses :
she bought each card for 5.50...and she bought 7 cards....so she spent :
5.50(7) = 38.50

so she spent more then she made

income - expenses = balance...
13 - 38.50 = -25.50...so she ended up spending 25.50...answer D

What is the y-intercept of the line with the equation 4x 2y = 12?

Answers

Hello,
I suppose it is 4x+2y=12

==>4*0+2y=12
==>y=6 and x=12-4*6=-12