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mr_godi [17]
3 years ago
7

Two points A and B on a plan represent two localities 12 m apart. Given that the segment AB is 6cn long, find the scale used to

draw the plan.
Mathematics
1 answer:
natka813 [3]3 years ago
7 0

Answer:

The scale is 1:200

Step-by-step explanation:

On the plan we have the drawing as 6 cm

In real representation, we have the distance as 12 m

Firstly we have to convert to same unit

In this case, we use the cm for convenience

Mathematically, 100 cm is 1 m

Thus, 12 m

will be 12 * 100 = 1,200 cm

So, we have the ratio as;

6 cm : 1,200 cm

and that is 1:200 (since 6/1200 = 1/200 and in ratio form, we have that as 1:200)

You might be interested in
A bakery has 18 large trays of bagels and 20 small trays of bagels. Each large tray holds 30 bagels and each small tray holds 15
Lerok [7]

Answer:

A the answer is the first one

break them apart put 18 into 10 and 8 and multiply it by 30 10 x 30 equals 300 30 x 8 equals 240 add them up you get 540  do the same with next one  break 15 into 10 and 5 multiply 20 by 5 and you get 100 multiply 20 by 10 and you get 200 add them up and you get 300 now add the final numbers up and you get  840  

7 0
2 years ago
3a. The average for the statistics exam was 75 and the standard deviation was 8.
hjlf

Answer:

63

Step-by-step explanation:

The formula to when given the number of standard deviations below the mean x =μ - nσ

Where:

x = raw score

μ is the population mean = 75

σ is the population standard deviation = 8.

n = number of standard deviations below the mean

Hence

x = 75 - 1.5 × 8

x = 75 - 12

x = 63

Therefore, Andrey's exam score is 63

3 0
3 years ago
6k &lt; 100<br> Check all that are true.<br><br> k = 5<br><br> k = 15<br><br> k = 10<br><br> k = 20
Tamiku [17]

Answer:

5, 10, and 15

Step-by-step explanation:

You can plug in every value into the equation:

6 * 5 = 30 < 100

6 * 15 = 90 < 100

6 * 10 = 60 < 100

6 * 20 = 120 >100

3 0
3 years ago
Evaluate f(-7). f(x) = 3x62
max2010maxim [7]
-1302f2x also the 2 after f is a tiny 2
6 0
3 years ago
0.66666667 as a fraction
Ierofanga [76]

Answer:

__________________________________________

    The correct answer is:   " \frac{2}{3} " .

__________________________________________

Note:  Let's assume that this given decimal value  is really:

"0.66666666666666666....."  ;

(non-terminating; but repeating the singing digit, "7" ; yet rounded to:

" 0.66666667 " ;  

then:  " 0.666... "    = \frac{666}{999}  ;

                             

                               =  (666 ÷ 111) / (999 ÷ 111)  ;

                               =  6/9 ;

                              = (6÷3)/(9÷3)  ;

                               =   2/3 ;

                             

                               =   " \frac{2}{3} "

 

                              →  which is our answer.

____________________________________________

 Or:   " 0.6666... "  =  666 ÷ 999 = ?  ;

                        using calculator :

                               =  0.66666667 ;  

        →  which is the "rounded off" number of "0.6666..." ;

                                                                — (infinitely repeating) ;

                  →   So 666 ÷ 999 =

                  →   "  \frac{666}{999} " ;

               

                               =  " \frac{2}{3} " ;  

                               →  Either use a "fraction calculator" ;

       or simplify as aforementioned.    

____________________________________________

Hope this answer is helpful to you!

       Best wishes to you in your academic pursuits

              — and within the "Brainly" community!

____________________________________________

7 0
3 years ago
Read 2 more answers
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