Answer:
are u sure this only the question or it came with a picture or something???
We will use a combination formula to determine how many ways the prizes could be given out.
In mathematics, a combination is a way of selecting items from a collection where the order of selection does not matter. Suppose we have a set of three numbers P, Q and R. Then in how many ways we can select two numbers from each set, is defined by combination.
The combination is defined as “An arrangement of objects where the order in which the objects are selected does not matter.” The combination means “Selection of things”, where the order of things has no importance.
The formulas nCk is popularly known as counting formula.
Learn more about Combination:
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Answer:
UV=142
Step-by-step explanation:
21x-13=10x+31
+13 +13
21x=10x+44
-10x=-10x
11x=44
÷11 ÷11
x=4
now substitute 4 in place of x (only have to solve one)
21(4)-13= 71
now multiply your answer by 2
71×2=142
Well think about it ....
1 yard = 3 ft so you'd do 3 times 4
1 foot = 12 inches so it'd be half of a foot
Answer:
-12
Step-by-step explanation:-3y+12=48
48-12= 36
36/ (-3) = -12
