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Art [367]
3 years ago
10

Write three ordered pairs for direct variation relationship where y= 12 when x= 16

Mathematics
1 answer:
Kruka [31]3 years ago
3 0

Ordered pairs that work for this direct variation are (4, 3), (8, 6) and (12, 9).

In order to find these, we must first find the value of the direct variation coefficient. We can do that using the base equation y = kx and then by plugging in to find k.

y = kx

12 = k(16)

3/4 = k

Now that we have k, we can model the equation as y = 3/4x. We can also find any number of ordered pairs by using the x value and finding the y value. All of the above answers work.

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tia_tia [17]

Answer:

The answer to your question is letter B.

Step-by-step explanation:

Data

Center = (-10, 6)

radius = 8

Process

1.- To find the answer to your question just substitute the values in the standard form of the circle.

Equation

                    (x - h)² + (y - k)² = r²

h = -10

k = 6

r = 8

Substitution

                   (x + 10)² + (y - 6)² = 8²

Simplification

                   (x + 10)² + (y - 6)² = 64

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3 years ago
Which exponential function is represented by the
Leno4ka [110]

Answer:

C, f(x) = 3(2)^x

Step-by-step explanation:

Since the y-intercept is 3, the function will have 3 multiplying by some number to the power of x.

As x increases by 1, we notice that y multiplies by 2 every time.

This leads us to believe that the equation is 3 * 2^x

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3 years ago
Pls help ASAP ‼️ will give brainliest
Tcecarenko [31]

Answer:

356.53

Step-by-step explanation:

Calculate the semicircle and square areas separately. For the semicircle, A = πr²/2, so 100.53

And for the square, A = a², so 256

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Flura [38]

Answer:

16

Step-by-step explanation:

10 + sqrt(y) = 14

Subtract 10 from each side

10 -10+ sqrt(y) = 14-10

sqrt(y) = 4

Square each side

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Step-by-step explanation:

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