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Ilya [14]
3 years ago
13

Please help...25 points

Mathematics
2 answers:
Irina-Kira [14]3 years ago
6 0

Answer:

-5/6 =x

Step-by-step explanation:

f(x) = -12x+7

We want to find x when f(x) = 17

17 = -12x+7

Subtract 7 from each side

17-7 = -12x +7-7

10 = -12x

Divide each side by 12

10/-12 = -12x/-12

-5/6 =x

steposvetlana [31]3 years ago
4 0

Answer:

\huge\boxed{x = -\frac{5}{6}}

Step-by-step explanation:

f(x) = -12x+7

Given that f(x) = 17

17 = -12x+7

Subtracting 7 to both sides

17-7 = -12x

10 =  -12 x

Dividing both sides by 12

x = - \frac{10}{12}

x = -\frac{5}{6}

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500th term of 24,31,38,45,52
tensa zangetsu [6.8K]
This looks like a simple arithmetic series. Each term is 7 greater than the previous term.

Therefore, the Nth term is 17 + 7N. 

For example, the first term is 17 + 7*1 = 17 + 7 = 24.

The second term is 17 + 7*2 = 17 + 14 = 31

etc...

And the 500th term is 17 + 7 * 500 = 17 + 3500 = 3517
3 0
3 years ago
Find the percent of decrease from 240 to 120. Round to the nearest tenth of a percent, if necessary.
KiRa [710]

the difference from 240 to 120 is 50%

3 0
3 years ago
Can someone please help me on this question I'm already having a bad day and I just want to get this stupid math over with
balu736 [363]

Answer:

Option A

Step-by-step explanation:

To check which function satisfies the graph, substitute the points. Points: $ (1, 12) $ is on the graph. Substitute it on the functions given in the options.

Option A: $ f(1) = 20 { (\  \frac{3}{5} )\ }^1 $

$ \implies 4 \times 3 = 12 $

Other options do not fit this $ (1,12) $. Hence Option A is our answer.

5 0
3 years ago
A local fish market is selling fish and lobsters by the pound. The fish, f, costs $4.25 a pound, while the lobster, l, costs $9.
malfutka [58]

9514 1404 393

Answer:

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Step-by-step explanation:

Let x represent the number of pounds of lobster sold. Then 25.5-x is the number of pounds of fish. The total money made is ...

  4.25(25.5-x) +9.00x = 196.25

  4.75x + 108.375 = 196.25 . . . . . simplify

  4.75x = 87.875 . . . . . . . . . . . subtract 108.375

  x = 18.5 . . . . . . . . . . . . . . . divide by 4.75

The market sold 7 pounds of fish and 18.5 pounds of lobster.

8 0
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ad-work [718]

Answer:

3.75 as a decimal

Step-by-step explanation:

6 0
3 years ago
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