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meriva
3 years ago
9

How do I do this problem? Number 16 a and b

Mathematics
1 answer:
stiv31 [10]3 years ago
8 0
Do a proportion  and then youll get the things you need to make the equation using x =
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This is dimensional analysis!!
Sunny_sXe [5.5K]
Before we answer the question we must first:1. Assess what we have so far.2. Know what we need to find.3. Solve.4. Conclude.
Step 1: What we have so far.*Price of a ream of paper = $4.00
*No. of sheets of paper in a ream = 500pcs.
*A sheet of paper weighs = 0.50oz
Step 2: What we need to find.*The price of 1lb (pound) of paper = ?
Step 3: Solve.*1lb = 16oz
Know how many papers are there in 1lb:
*1lb = 16oz
*1 sheet of paper = 0.50oz
*16oz of paper = 32 pcs of paper.
Because 16 divided by 0.50 is = 32.
*1lb of paper =  32 pcs of paper.

Know how the weight of a ream of paper:
*Ream of paper has 500 papers.
*32 papers = 1lb
500 divided by 32 = 15.625
*Weight of a ream is 15.625lb.

Know how much a pound (lb) of paper is:
*A ream of paper costs $4.00.
*A ream of paper weighs 15.625lb.
4.00 divided by 15.625 = 0.256
*Cost per pound (lb) of paper = $0.256 or $0.26 or 26 cents.

Step 4: Conclusion.After successfully doing the steps above, we can now conclude that the cost per pound of paper is $0.256 or $0.26 or 26 cents.
6 0
4 years ago
What are the ordered pairs of the solutions for this system of equations
AleksAgata [21]

Answer:

(3, 6); (-3, 18)

Step-by-step explanation:

We equate the 2 expressions in x :-

x^2 - 2x + 3 = -2x + 12

x^2 - 2x + 2x + 3 - 12 = 0

x^2 - 9 = 0

(x - 3)(x + 3) = 0

So x = 3 or -3.

When x = 3, f(x) = -2(3) + 12 = 6.

When x = -3, f(x) = -2(-3) + 12 = 18.

7 0
3 years ago
How do we do pemdas? What do each letter stand for?
zhannawk [14.2K]

PEMDAS is the order of operation, and is what you follow to solve a expression/equation.

PEMDAS =

Parenthesis

Exponents: This step also includes solving for any roots.

Multiplication

Division

Addition

Subtraction

8 0
3 years ago
Read 2 more answers
What is the value of x for 10x+1=3(4x+2)-3? ​
vivado [14]

Answer:

x= 7

Step-by-step explanation:

4 0
3 years ago
Part B
vodomira [7]

Cisnero discusses writing three stories in one weekend at Iowa, which later connects with friends workshopping stories in her apartment, to show readers how dedicated she has become to her craft. In this way, she creates the effects of a foreshadowing.

<h3>What is foreshadowing?</h3>

In literature, foreshadowing refers to the subtle reference to an event that is yet to occur.

Foreshadowing could occur or be deployed in several ways. Some of them are:

  • Through the use of dialogue
  • Through the use of symbols
  • Through the use of character reactions etc.

Learn more about Foreshadowing at:

brainly.com/question/96170

8 0
3 years ago
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