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a_sh-v [17]
3 years ago
14

If y varies directly as x and y = 3 when x = 24, find y when x = -16​

Mathematics
1 answer:
HACTEHA [7]3 years ago
6 0

Answer:

-2

Step-by-step explanation:

y/x=constant

3/24=y/(-16)

y=-2

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How is adding and subtracting radical expressions similar to adding and subtracting variables ?????
steposvetlana [31]

Answer: To add or subtract radicals, the indices and what is inside the radical (called the radicand) must be exactly the same. If the indices and radicands are the same, then add or subtract the terms in front of each like radical. If the indices or radicands are not the same, then you can not add or subtract the radicals.

4 0
3 years ago
Read 2 more answers
Betty saves 3 times as much as Ann. Charles save 390 less than Ann.. If Betty saves save 1330 more than Charles. how much does C
Igoryamba

Answer:

80

Step-by-step explanation:

We let x be Ann's savings.

Betty saves 3 times as much as Ann.

This implies that Betty's savings in terms of x

= 3x

Charles save 390 less than Ann.

This implies Charles savings

= x - 390

Betty saves 1330 more than Charles.

This implies that when we deduct Charles savings from Betty's we have to get 1330.

Mathematical equation for the problem:

3x - (x - 390) = 1330

Expand :

\implies 3x - x  + 390= 1330

\implies 2x + 390= 1330

Subtract 390 from both sides.

\implies 2x + 390 - 390= 1330 - 390

\implies 2x=940

Divide through by 2

\implies \frac{2x}{2} = \frac{940}{2}

\implies x=470

Hence Charles saving is

x - 390 = 470 - 390 = 80

7 0
4 years ago
One step inequalities <br> 15&lt;-5x<br> Solve for x
Mars2501 [29]

I think 3 would be the answer if not I'm sorry

4 0
3 years ago
Compleate the function table. Then write a rule for the function.
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Rule: Y=X-2
1st blank spot: -5
2nd blank spot: -3
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Hope this helped! :)
4 0
4 years ago
So, I'm in 9th grade. We are learning slope, but I don't understand. Does anyone have a simple method that they could explain to
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I always used rise over run. which is when you count up the y axis for run and count over on the x axis for the run. then take your rise over run and there is your slope.
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3 years ago
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