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ZanzabumX [31]
3 years ago
9

How can you use ratios and rates to solve real- world problems?

Mathematics
1 answer:
larisa [96]3 years ago
8 0

Usually, They make tables of equivalent ratios relating quantities with whole-number measurements, find missing values in the tables, and plot the pairs of values on the coordinate plane.

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Find the next number in the pattern. 0.5 2.5 12.5 62.5
sesenic [268]
The answer is:  " 312.5 " . 
_________________________________________________
<u>Note</u>:  In the pattern given, each number is multipled by "5" to get to the number consecutive number.
__________________________________________________
The pattern given is:
__________________________________________________
  " 0.5, 2.5, 12.5, 62.5, ____, ....."  ;

Note:  The first number in the pattern given is:  "0.5" .

"0.5 * 5 = 2.5" ; and "2.5" is the second number in the pattern.

"2.5 * 5 = 12.5" ; and "12.5" is the third number in the pattern.

"12.5 * 5 = 62.5" ; and "62.5" is the fourth number (and final number SHOWN in                                                                                       the pattern).

To find the next number, we multiply "62.5" by "5" ;  to get:  "312.5" .
_______________________________________________________

6 0
4 years ago
3. Complete the equivalent ways of describing the portion of the race that the
Scilla [17]

Answer:

(a). \frac{33}{40} ; (b). <em>33 to 40 </em>

Step-by-step explanation:

Use "magic fraction" \frac{Part}{Whole}

<em>(a).</em> Distance covered by runner is 33 yards

Whole distance is 40 yards

The portion of the race that the runner has completed is

\frac{33}{40}

<em>(b).</em> The portion of the race that the runner has completed is <em>33 to 40</em>

4 0
3 years ago
Bruce saved $35.00 to buy a new video game . The game's original price was $42.00, but it was on sale for 30% off. The sales tax
fenix001 [56]

Answer:

The answer to your question is Yes, he can buy it.

Step-by-step explanation:

Data

Money saved = $35

Original Price = $42

Discount = 30%

Tax = 5 %

Process

1.- Calculate the price of the Video game with the discount

                    $42 --------------------- 100%

                         x  ---------------------   30%

                         x = (30 x 42) / 100

                         x = $ 12.6

   Price with discount = 42 - 12.6

                                    = $ 29.4

2.- Calculate the price of the Video game plus taxes

                      $29.4 ------------------- 100%

                          x      -------------------    5%

                          x = (5 x 29.4) / 100

                          x = 147 / 100

                          x = 1.47

    Price plus taxes = 29.4 + 1.47

                                = $ 30.87

3.- Conclusion

Bruce can buy the Video game because he saved $35 and the video game plus taxes cost $30.87.  

8 0
3 years ago
Which of the following is the algebraic expression that best describes the sequence 3, 9, 27, 81, 243, …?
sukhopar [10]
It's basically multiplication by 3. 3x3 9x3 27x3 etc
7 0
4 years ago
Read 2 more answers
Am stuck on this question and show your working please.
Tamiku [17]

Answer:

1. 6pi or 18.84cm

2. 20pi or 62.8cm

3. 13pi or 40.82cm

4. 9.5pi or 29.83cm

5. You calculate the circumference of a circle with the expression 2pi(r). r stands for the radius. You can also use pi(d), or pi x diameter.

7. You would use 2pi(r) to find the circumference of a circle when given the value of the circle's radius.

8. You would use pi(d) to find the circumference of a circle when given the value of the circle's diameter.

5 0
3 years ago
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