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cluponka [151]
3 years ago
6

Yolanda ran 134 miles on Saturday and 212 miles on Sunday. She used fraction strips to model the total distance she ran. Rectang

ular strip labeled 1.2 Fraction strips are given. First fraction strips has 2 rows. First row has 1 written and second row has 3 blocks, in each block quarter is written. Second fraction strip has 3 rows. First and second rows has 1 written. Third row has 2 blocks, in each block quarter is given. Part A Which statement explains why Yolanda models 212 using 14 strips instead of 12 strips? A. She needs a common denominator to multiply the fractions. B. She needs a common denominator to add the fractions. C. She made a mistake and should have used 12 strips. D. It does not matter what size strips s
Mathematics
1 answer:
velikii [3]3 years ago
3 0

Answer:

The answer is B

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Margot is trying to decide between cable and satellite TV. Cable has a package of $49.99 a month for the basic package, plus $9.
VashaNatasha [74]
The cost of cable (c) in terms of months (m) is
  c = (49.99 +9.95 +9.95 -10.00)m
  c = 59.89m

The cost of satellite TV (s) in terms of months is
  s = 125.00 +49.95m

The difference in price is ...
  s - c = (125 +49.95m) -(59.89m)
  s - c = 125 -9.94m

At 12 months, the difference in price is
  s - c = 125 -9.94*12 = 5.72
This number is positive, which means ...
  the Cable company will save Margot money over a 12-month period.

At 24 months, the difference in price is
  s - c = 125 -9.94*24 = -113.56
This number is negative, which means ...
  the Satellite TV company will save Margot money over a 24-month period.


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A graph of the costs shows a cross-over at 12.5 months. Until then, the Cable provider is less expensive. Over terms longer than that, the Satellite TV provider is less expensive.

3 0
3 years ago
1. a motor car race is 500 miles long and consists of completing laps of a circular speedway
Zarrin [17]

The function y = 2.5x + 500 represents the total number of miles if the motor car race is 500 miles long, option (d) is correct.

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

We have:

y represents the number of miles a motor car has left to go in the race

x represents the number of laps completed by the motor car

The total number of miles if we consider only circular speedways = 2.5x

The total number of miles:

y = 2.5x + 500  (because 500 is the constant)

Thus, the function y = 2.5x + 500 represents the total number of miles if the motor car race is 500 miles long option (d) is correct.

Learn more about the function here:

brainly.com/question/5245372

#SPJ1

7 0
2 years ago
17 minutes left to answer
fomenos

9514 1404 393

Answer:

  can't be factored

Step-by-step explanation:

The two terms of 11t -23 have no common factors. Both of the coefficients are prime numbers, and the variable appears in only one of the terms. The expression ...

  cannot be factored

7 0
3 years ago
Plums are $3.25 for 2 pounds, i need 4 pounds. how much will it cost
olasank [31]
<u />\frac{3.25}{2lbs} = \frac{x}{4lbs}  \\  \frac{3.25}{2} *  \frac{2}{2} = \frac{x}{4}  \\  \frac{3.25 * 2}{2*2} = \frac{x}{4}  \\ 3.25*2 = x \\ x = 6.50
It will cost $6.50 for four pounds of plums.

Hope this helps!
4 0
3 years ago
You walk 3/8 miles to a music store. Then you walk another 1/3 miles to a clothing store. How many miles have you walked in all?
Rudik [331]

Answer:

You have walked \frac{17}{24} miles

Step-by-step explanation:

In order to add these two fractions, we must find a common denominator. In this case, I used 24

\frac{3}{8} +\frac{1}{3} \\\\\frac{9}{24} +\frac{8}{24} =\frac{17}{24}

6 0
3 years ago
Read 2 more answers
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