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lara31 [8.8K]
3 years ago
14

Which answer describes the simpler problems that could be used to solve this story problem?

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
8 0
D. cause you gotta isolate your variables (the cereal boxes) then get rid of the coefficent (2)
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Productive use of machinery on a farm made it possible to decrease the number of tractors by 12. How many tractors does the farm
frez [133]
1. the answer is 24. think of x as the original amount, and y as the new amount. y times 1.5 is x, and y+12 is x. reverse that to figure out y, which is what we need, and you have x/1.5 = y as well as x-12 = y. Use the equal values method and make an equation x/1.5=x-12. solve this equation to get x, which is 36. to figure out the new amount, y, you need to subtract 12, which would help you get 24 as your final answer. 

2. once again, create an equation. let's call team 1 x and team 2 y. team one has 1/4th as many as team 2, so that would be x=1/4y. An easier way to write that is 4x=y. after 6 people quit team two, that would be y-6. after the transfer, that would be y-6-12, and x+12 for the teams. they are equal after these, so y-6-12=x+12. solve this equation to get y-18= x+12. if you recall earlier, y was 4 times x, so substitute that into y to get 4x-18=x+12. Solve the equation to get 10 people on team one originally. your final answer is 10 people. 
5 0
3 years ago
What is the missing number ?? /6 =25/30
matrenka [14]

Answer:

5

Step-by-step explanation:

\frac{25}{30} ( divide numerator and denominator by 5 ) , then

\frac{25}{30} = \frac{5}{6} ( with missing number ? = 5 )

8 0
2 years ago
Read 2 more answers
What is the area of this figure?
Tomtit [17]

Answer:

85.1 (I think)

Step-by-step explanation:

2×2=4

5×2=10

5×6=30

(3×10)÷2=15

3squared+10squared=√109=10.44

5×10.44=52.2÷2=26.1

26.1+4+10+30+15=85.1

4 0
3 years ago
What is 2x2x2x2+2+2+2divitide by 6
Luba_88 [7]

Answer:

3.6 repeating or 3 and 2/3

Step-by-step explanation:

I did the work on a calculator.

4 0
3 years ago
A combination lock has 25 numbers on it. How many different 3-digit lock combinations are possible if no digit can be repeated?
IgorC [24]

Answer:

The number of ways is 13,800 ways

Step-by-step explanation:

In this question, we are tasked with calculating the number of ways to form 3-digits codes from 25 different numbers given that no repetition is allowed.

Now, for the first digit, we have all the 25 numbers completely wanting to take a spot. Now, in how many ways can we choose a single out of 25, that would be 25 ways

Now, we have 24 numbers left, and we are trying to pick one, the number of ways this can be done is 24 ways also

for the last digit, we have 23 numbers and we are selecting just one, the number of ways this can be done is 23 ways too

Thus, the cumulative number of ways would be 25 * 24 * 23 = 13,800 ways

7 0
3 years ago
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