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adoni [48]
3 years ago
8

Which set of ordered pairs demonstrates a function?

Mathematics
1 answer:
Grace [21]3 years ago
4 0

Answer:

(3,4) (4,3) (9,7)

Step-by-step explanation:

this represents a function because none of the x's in the x values repeat

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Answer: a

Step-by-step explanation:

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Frances wants to paint rectangular wall that has a width of 8 feet and a height of 9 ft.She has a quart of paint that will cover
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The area of the wall is 72 feet squared.
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Simplify the expression by using a double-angle formula. 2 sin 31°cos 31°
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The double angle formula for the sine is

\sin(2x) = 2\sin(x)\cos(x)

The right hand side is exactly your expression, where x = 31^\circ

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6 0
3 years ago
Clare has a recipe for yellow cake. She uses 913 cups of flour to make 4 cakes. Noah will follow the same recipe. He will make c
sergejj [24]

Answer:

(C)c= \frac{3}{7}f

Step-by-step explanation:

Clare uses 9\frac{1}{3} cups of flour to make 4 cakes.

It means  she uses 1 cup of flour to make 4\div9\frac{1}{3} cakes.

Let us simplify that expression first for future use.

4\div9\frac{1}{3}=4\div\frac{28}{3} =4 X \frac{3}{28} =\frac{3}{7}

Therefore, Clare uses 1 cup of flour to make \frac{3}{7} cakes.

If Noah follows the same recipe,

He uses f cups of flour to make c cakes

Using Ratio Method

→  Name  :  Cup  :  Cake

→  Clare   :    1        :   \frac{3}{7}

→  Noah   :     f       :   c

By using cross multiplication

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c= \frac{3}{7}f

The equation c= \frac{3}{7}f represents the relationship between c and f

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