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Bad White [126]

3 years ago

9

you purchase 2 action figures a week. you have 48 action figures, which is 75% of the total number of action figures you need to

complete your collection. How many weeks until your collection is complete

1 answer:

notka56 [123]3 years ago

7 0

Answer:

8 weeks

Step-by-step explanation:

48 is 75%

x is 100%

48×100=4800

75x=4800

x=4800:75

x=64

64-48=16

16:2=8

Answer is 8 weeks

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Find Principal when Time = 5 years, Interest - $ 500; Rate = 5%

Leno4ka [110]

Answer:

P = $2,000

Step-by-step explanation:

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4 0

3 years ago

The function f(x)=2/3x-4 was replaced with f(x+k)=2/3x-6 what is the value of k

HACTEHA [7]

Answer:

The given function $f(x)=\frac{2x}{3}-4$ was replaced with $f(x+k)=\frac{2x}{3}-6$ then the value of k is -3

that is k=-3.

Step-by-step explanation:

The given function is $f(x)=\frac{2x}{3}-4\hfill (1)$

and when x=x+k then $f(x+k)=\frac{2x}{3}-6\hfill (2)$

Now to find the value of k:

Put x=x+k in the function f(x)

$f(x)=\frac{2x}{3}-4$

$f(x+k)=\frac{2(x+k)}{3}-4$

$f(x+k)=\frac{2x+2k}{3}-4\hfill (3)$

Now comparing equations (2) and (3) we get

$f(x+k)=\frac{2x+2k}{3}-4=\frac{2x}{3}-6$

$\frac{2x+2k}{3}-4=\frac{2x}{3}-6$

$\frac{2x+2k}{3}-4-\frac{2x}{3}+6=0$

$\frac{2x}{3}+\frac{2k}{3}-4-\frac{2x}{3}+6=0$

$\frac{2k}{3}+2=0$

$\frac{2k}{3}=-2$

$k=\frac{-2\times 3}{2}$

$k=-3$

Therefore k=-3

Therefore the given function $f(x)=\frac{2x}{3}-4$ was replaced with $f(x+k)=\frac{2x}{3}-6$ then the value of k is -3

that is k=-3.

7 0

3 years ago

Rashid [163]

34 is the answer for this one

3 0

3 years ago