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patriot [66]
3 years ago
12

Find the output, y, when the input, x, is -9. Y = ?

Mathematics
1 answer:
Monica [59]3 years ago
5 0

When X = -9 Y = 1 you can find this by going to -9 on the x axis and finding where the line is there

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If y varies inversely with x<br> and y is 10 when x is 5,<br> then what is y when x is 2?
Jobisdone [24]

9514 1404 393

Answer:

  25

Step-by-step explanation:

Inverse variation means ...

  y = k/x

For the given values, we can find k to be ...

  k = xy = (5)(10) = 50

Then for x=2, we have ...

  y = 50/x

  y = 50/2

  y = 25 . . . when x=2

6 0
3 years ago
Help!!!!!!!!!!!!!!!!!!!!!!
zhuklara [117]

Answer:

see below

Step-by-step explanation:

9 ^-5 * 9^-3

When multiplying these we ADD the exponents:

9^-5 * 9^-3

= 9^(-5 + -3)

= 9 ^-8

= 1/9^8  Option A


2.    2^14 / 2^7   This is a division so we SUBTRACT the exponents:-

= 2^(14 - 7)  

= 2^7   (answer)

3.    If the triangle is a right angled one then it will obey Pythagoras Theorem so:-

13^ = x^2 + 5&2

x^2 = 13^2 - 5^2

x^2 = 144

x = 12    (answer)


4.   The last choice is a crucial step.

The total area of the triangles is the same in both large squares so  the area of the large  square e^2 = a^2 + b^2 ( the 2 squares in the left side large square).

5 0
3 years ago
I need part b do I divide by 6 or multiple by 6
Shalnov [3]

Answer:

You need to multiply by 6. Hint it say's it costs $6 per square meter that means times

Step-by-step explanation:

6 0
3 years ago
The graph of f(x)=x^2 is sketched in red and the graph of g(x) is sketched in blue. Use the translation rule and f(x)=x^2 to ide
Yuki888 [10]
We can use the vertex form of a quadratic, y = a(x-h)^{2} + k, to find that g(x) = a x^{2} - 7. Plugging (x,y) ordered pairs into g(x), we see that a = 1. For example, for (3, 2), 2 =  a * 3^{2} - 7. Solving for a gives 1.
3 0
3 years ago
The function. In the graph is f(x) =
Tanya [424]

Answer:

x^3-2x^2-5x+6

Step-by-step explanation:

We have been given a graph of the function f(x).

Now we need to use that graph to find the equation of the graph and match with the correct choice from the give choices:

x^4-2x^2+5x+6

x^3-2x^2-5x+6

x^3-2x^2+5x+6

-x^4-2x^2+5x+6

We see that graph has end points in opposite direction then the degree of polynomial must be ODD.

Available degrees are 3 and 4. Degree 3 is odd so it is choice B or C.

Only x^3-2x^2-5x+6 satisfies the given points from graph.

Hence correct choice is x^3-2x^2-5x+6.

4 0
3 years ago
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