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nikdorinn [45]
3 years ago
15

A car is 200 km from its destination after an hour and 80 km from its destination after 3 hour

Mathematics
1 answer:
Pani-rosa [81]3 years ago
4 0

200 - 80 is equal to 120. So the car traveled 120 km in 3 hours. It travels at an average of 120/3 = 40 km/hr, and will reach its destination in 2 hours.

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What fraction would represent the ratio of the cost
Stolb23 [73]
To write 3000 as a fraction you have to write 3000 as numerator and put 1 as the denominator. Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number.
3000 = 3000/1 = 30000/10

And finally we have:
3000 as a fraction equals 30000/10
3 0
3 years ago
What's 84 divided by 7 show the work plz
Snowcat [4.5K]
Ok, this is what you do, 

      
7(^^^^^
      84
7 goes into 8 1 time so it would be this

      1
7(^^^^
      84
     - 7

and it leaves you with 14
   
    
     1
7(^^^^
       14
then how many time does 7 go into 14? 2 times

so it would be


      12
7(^^^^
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       -14
AND YOUR ANSWER IS 12.



7 0
3 years ago
Read 2 more answers
How can exponential and logarithmic functions be combined
natulia [17]
Well.. .not exactly what you're asking, but the relationship of them is 
{
log_{{  a}}{{  b}}=y \iff {{  a}}^y={{  b}}\qquad\qquad 
%  exponential notation 2nd form
{{  a}}^y={{  b}}\iff log_{{  a}}{{  b}}=y 
}

so... hmm to add some
for example  let's say   if\ 5^3=125\textit{ that can be written also as}
\\ \quad \\
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4 0
3 years ago
Four people have measured the height of a wall using different methods. Their results are shown in the table. Order their measur
slavikrds [6]

Answer:

5/2, 2.6, 1 + sqrt(3), sqrt(8)

Step-by-step explanation:

Use a calculator:

sqrt(8) = 2.83

5/2 = 2.5

2.6 = 2.6

1 + sqrt(3) = 2.73

Answer:

5/2, 2.6, 1 + sqrt(3), sqrt(8)

3 0
3 years ago
Help and explain <br><br> Don’t use for points or I will take it back
KIM [24]

Step-by-step explanation:

step 1. x + 51 + 39 + 127 = 360 (1 revolution is 360°)

step 2. x + 90 + 127 = 360

step 3. x + 127 = 270. (subtract 90 on both sides)

step 4. x = 143° (subtract 127 on both sides)

4 0
3 years ago
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