MATHEMATICS HIGH SCHOOL

A two pound box of spaghetti costs $2.50. Philip says that the unit cost is 2/2.50 =$0.80 per pound. Explain his error

Answers

Answer 1

Answer:

Answer

Find out the Philip error.

To prove

As given

A two pound box of spaghetti costs $2.50.

$Philip\ says\ that\ the\ unit\ cost\ is\ (2)/(2.50) is\ equal\ 0.80\ dollar\ per\ pound.$

Philip calculated the unit cost by wrong method he divided weight by the cost which is wrong.

2 pound box of spaghetti costs = $2.50

$one\ costs\ of\ box = (Total\ cost\ of\ two\ pound\ cost)/(Total\ pounds)$

$unit\ cost\ of\ box = (2.50)/(2)$

unit cost of box = $1.25

Therefore the unit cost of box is $1.25 .

Answer 2

Answer: 2.50 / 2 = 1.25 not .80It also looks like you are trying to divide the spaghetti boxes by the price, when it should be price by number of boxes.

$33\pi \: m$

Solution,

Radius=16.5cm

Circumferenceofcircle:

$2\pi \: r \n = 2 * \pi * 16.5 \n = 33\pi \: m$

hopethishelps..

Goodluck on your assignment..

Answer:

33π

Step-by-step explanation:

The circumference of a circle as 2πr, meaning that with a radius of 16.5m, the circumference would be 2*16.5*π, or 33π.

3x+103+9x+61 help me solve quick

Answers

Answer:

12x + 164

Step-by-step explanation:

3x + 103 + 9x + 61

rewrite it

3x + 9x + 103 + 61

add 3x and 9x

12x + 103 + 61

add 103 and 61

12x + 164

How do you find the ratio of a fraction

Answers

A ratio is the relationship between two numbers.

Probably the easiest way to write a ratio is in the form of a fraction.

A fraction IS a ratio.

It means (the top number) divided by (the bottom number), and
that's the ratio between them.

What number must be added to both sides of the equation to complete the square ?X^2+12x=-6
a)-144
b)36
c)-36
d)144

Answers

first consider (x+c)^2 where c is just a random constant. if we expand this by foil (which is distributive property twice), we get x^2 + 2cx+ c^2. we want to find c^2 and to do that, we can first find c. we can find c by looking at the 2cx term. this term should match with 12x, so therefore 2c = 12 so c = 6. this also implies that c^2 = 36.
note that for this problem i was working backwards which is a very powerful problem solving tool: start with what you want to attain, and then see how you can go from where you are now to get to your destination.

let me know if you have any questions!!!

Other Questions

A perfect score on a quiz is 100. Mrs. Frisoil gives students 1 point for putting their name on the paper. If there are only 9 questions on the quiz, how much is each question worth? Explain how you found your answer

What is the aware please

Brain dead someone help

There is a closed carton of eggs in Mai's refrigerator. The carton contains "e" eggs and it can hold 12 eggs. What are some possible values of e that will make both e < 12 and e > 0 true?

A two pound box of spaghetti costs $2.50. Philip says that the unit cost is 2/2.50 =$0.80 per pound. Explain his error

Answers

Related Questions

Answers

Answers

Answers

Answers

Answers

Answers