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Rina8888 [55]
3 years ago
14

Which value of y would make OP || LN ?

Mathematics
1 answer:
guajiro [1.7K]3 years ago
3 0
Remark
All you need do is assume the small triangle is similar to the large one. MO:ML :: MP:MN must be solved.

Givens
MO = 28
ML = 28 + 14
MP = y
MN = y + 18

Equation
28:28+14 :: y: y + 18

Solve
28/42 = y / (y + 18)
28*(y + 18) = 42y        Remove the brackets
28y + 18*28 = 42y
28y + 504 =  42y         Subtract 28y from both sides.
504 = 42y - 28y
504 = 14y                    Divide by 14
504/14 = y
y = 36


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2 years ago
Using f(x) = 8x + 5 and g(x) = 7x - 2, find:g(f(6))
iren2701 [21]

Answer:

369

Step-by-step explanation:

g(f(x)) simply means to put the whole expression of function f(x) into the place of "x" in g(x).

and to find the functional value for a specific x we just need to calculate functional value for f(x) and use that result as input for g(x).

f(6) = 8×6 + 5 = 48 + 5 = 53

and now

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to check we do the general functional substitution :

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