1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
galben [10]
3 years ago
10

It costs $3.56 to buy a pack of pencils. Which of the following equations shows the amount of money needed, x, to buy k packs of

pencils?
x = 3.56k
k = 3.56x
x = 3.56 + k
k = 3.56 + x
Mathematics
2 answers:
FrozenT [24]3 years ago
6 0
Well, since we know $3.65 is how much ONE PACK of pencil costs, and k represents the packs of pencils PURCHASED, and x represents the COST per pack, your answer would be A. x = 3.65k. This is because to find out the total cost (x) of k amount of packs, you would multiply the cost (3.65) times k, (known as 3.65k), which would be expressed as x = 3.65k. =)
Hope I helped! ^-^
kondaur [170]3 years ago
3 0

Answer:

x = 3.65k.

Step-by-step explanation:

You might be interested in
You saved $250.00 to spend over the summer. You decide
Ludmilka [50]

Answer:

1 minor thing. you made a mistake it is $25.00 not $25,00. But the answer is this.

Step-by-step explanation:

250.00÷25.00= 10.

4 0
2 years ago
Read 2 more answers
A page should have perimeter of 42 inches. The printing area within the page
Tamiku [17]

Overall  dimensions of the page in order to maximize the printing area is  page should be 11 inches wide and 10 inches long .

<u>Step-by-step explanation:</u>

We have , A page should have perimeter of 42 inches. The printing area within the page  would be determined by top and bottom margins of 1 inch from each side, and the  left and right margins of 1.5 inches from each side. let's assume  width of the page be x inches  and its length be y inches So,

Perimeter = 42 inches

⇒ 2(x+y) = 42\\x+y = 21\\y = 21-x

width of printed area = x-3  & length of printed area = y-2:

area = length(width)

area = (x-3)(y-2)\\area = (x-3)(21-x-2)\\area = (x-3)(19-x)\\area = -x^{2} + 22x -57

Let's find \frac{d(area)}{dx}:

\frac{d(area)}{dx} = \frac{d(-x^{2}+22x-57)}{dx} = -2x +22 , for area to be maximum \frac{d(area)}{dx}= 0

⇒ -2x+22 = 0\\2x =22\\x=11 inches

And ,

y = 21-x\\y = 21-11\\y = 10 inches

∴ Overall  dimensions of the page in order to maximize the printing area is  page should be 11 inches wide and 10 inches long .

7 0
3 years ago
Find the sum.<br> 46+(−3)
lord [1]

Answer:

43

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the value of 30-2(7+2)-1
Firdavs [7]

Answer: 11

Step-by-step explanation:

30 - 2(7+2)- 1        Distribute or  solve parentheses

30 - 14 -4 - 1  

30 - 19 = 11  

6 0
3 years ago
The angles of a triangle are 989, 51°, and x®,<br> What is the value of x?
Anastaziya [24]

9514 1404 393

Answer:

  x = 31

Step-by-step explanation:

The sum of angles in a triangle is 180°.

  98° +51° +x° = 180°

  x° = 31° . . . . . . . . . . . . subtract 149°

  x = 31

6 0
2 years ago
Other questions:
  • If a storm window has an area of 640 square inches, what is the equation to find the dimensions when the window is 20 inches hig
    8·1 answer
  • Find the slope of the line represented by the table of values.
    5·2 answers
  • Find the surface area of a rectangular prism that is 16inches long, 12inches wide, and 5 inches high
    7·2 answers
  • Which of these data sets is symmetrical?
    10·1 answer
  • Compare the decimals 18.10 and 18.1
    7·2 answers
  • Complete the table showing the price of different amounts of grapes at this rate
    13·1 answer
  • Graph the relationship from Exercise 5.
    5·1 answer
  • Solve the system of equations:
    10·1 answer
  • » Quinn is a contestant on a quiz show. Quinn's score changes by -15 points for 4 questions in a row. D *) What is the total cha
    13·1 answer
  • 4x+5=x+8<br> Please help thx
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!