The amount of postage placed on a first class letter depends on the weight of the letter .

Answers

Answer 1

Answer: amount is directly proportional to weight
thus
A = kw    A = amount
   k = constant ^ which is price per gram
   w = weight

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If 3 1/2 pounds of bananas cost 1.96 how much would one pound cost

Answers

It would cost 56 cents.

Answer:

56 cent

Step-by-step explanation:

divide 1.96 by 3.5

How many vertices, faces, and edges does a cylinder have?

Answers

It has no vertices, 3 faces (the 2 circles faces and the rectangular one) and 2 edges (the 2 around the circles faces).
Hope this helps! :)

Both circle Q and circle R have a central angle measuring 110°. The area of circle Q's sector is 4π cm2, and the area of circle R's sector is 9π cm2. The radius of circle Q is 7 cm. Which is the radius of circle R

Answers

The area of circle Q's sector = 4π $cm^2$

the area of circle R's sector = 9π $cm^2$

The radius of circle Q = 7 cm

We need to find the radius of circle R that is x

Given : Both circle Q and circle R have a central angle measuring 110°

So the radius of circle R to the radius of circle Q is equal to the square root (area of circle R to the radius of circle Q)

$(Radius-R)/(Radius-Q) = \sqrt{(area-R)/(area-Q) }$

Plug in all the values

$(x)/(7) = \sqrt{( 9\pi)/( 4\pi )$

$(x)/(7) = \sqrt{(9)/(4)}$

$x = (3)/(2) * 7 = 10.5$

Therefore , the radius of circle R = 10.5 cm

The answer is 10.5 :)

James has a goal of saving $600 by the end of the month. He already has $150 in his bank account. He makes $25 an hour at his job. Which equation could he use to find x, the number of hours he needs to work to reach his goal.

Answers

Answer:

150+25x = 600

Step-by-step explanation:

Hope this helped!

A system of two equations is shown below: Equation C: a = 2b + 7 Equation D: a = 5b − 3 What value of a can be substituted into equation D to solve the system of equations?

Answers

Answer:

C i believe so

Step-by-step explanation:

Answer:

2b + 7

Step-by-step explanation:

i took the test and got it right

The average depth of the ocean is about 3.8 km.width of 7600 km. calculate the ratio depth:width?

Answers

a ratio is like a fraction, so since you are provided with the numbers its easy to put it into a ratio
depth is 3.8km
width is 7600km
ratio is 3.8:7600

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20% of my money is £2.55 What is 2/5 of it?

SO CONFUSED PLEASE HELPWhich situations can be represented by an exponential function? Select each correct answer.On the highway, Kareem's car gets 38 mpg. Shu Fang has $25.75 deducted from her checking account every month. A toad population is increasing by about 7.5% each year. An event organizer finds each year's attendance for the past five years is about 4/5 of the previous year's attendance.

Read the following excerpt. Using the context of the paragraph, select the word that best completes the sentence.The journalist spent a year researching the foreign government's sanctions. Finally, it was time to synthesize all of the _______________ information that he had learned. His editor asked him to write a comprehensive article for the first piece in the series that was sure to win awards, inform the public, and elicit significant change in foreign policy. (3 points) irate relevant keen strategic