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Stolb23 [73]
2 years ago
11

Karabo is training by running for the Comrades Marathon ; he starts his training by running 40km per week . Each week he increas

es the distance covered by 10km (1) Use the formula to calculate the distance he runs in the 12 week of training​
Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
3 0

Answer:

hi

Step-by-step explanation:

hi

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Answer:

Step-by-step explanation:

Let the cost of one soft taco = s

Let the cost of one burrito  = b

 

So  we have this system

 

3s  + 3b  = 11.25  

4s +  2b   = 10.00   (1)

 

Divide  the first equation through by 3   and we have that

 

s +  b  =  3.75         subtract  b from both sides

s   =  3.75 - b   (2)

 

Sub  (2) into (1)  and we have

 

4 (3.75 - b)  +  2b  =  10.00      simplify

15 - 4b  + 2b   = 10.00

-2b + 15  =10.00      subtract 15 from both sides

-2b  =  - 5.00         divide both sides by -2

b  = 2.50

 

And using (2)

s  =  3.75 - 2.50   =   1.50

 

 

So...  a soft taco  1.50 and a burrito is  2.50

6 0
2 years ago
What is the complement of the supplement of 130 degrees?​
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Answer:

50°

Step-by-step explanation:

180° - 130° = 50°

Mark my answer as the brainliest if this helped! :)

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Answer:

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Step-by-step explanation:

Make 630 ft into inches, so 7560

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3 years ago
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1/2

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