Trina's teacher asked her to explain the division problem 48 ÷ 12. which choice gives the correct explanation?
a) break 4 into 12 groups of 48. which one is it i am confused on it
b) break 48 into 12 groups of 4.
c) break 12 into 4 groups of 48.
d) none of these.

B) Break 48 into 12 groups of 4.

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given.

48÷12

This expression means dividing the number 48 by 12, or in other words, break 48 into 12 groups of 4.

So, if we solve :

48÷12= 4

In conclusion, the correct option is B)Break 48 into 12 groups of 4.

Feel free to ask for more if it´s necessary or if you did not understand something.

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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answers

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step-by-step explanation:

geometry: triangles

solvers

lessons

answers archive

call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

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