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Ugo [173]
3 years ago
8

Solve for f(5) f(x) = 2x - 4 f(5) = [?]

Mathematics
1 answer:
harkovskaia [24]3 years ago
4 0
Substitute the x for 5, so your equation would be 2(5)-4
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A card player selects a playing card from a well-shuffled deck of standard playing cards and sees if the card is a red card or n
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Answer:

A

Step-by-step explanation:

there could be no red cards inside

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Solve for a side triangles please help it’s urgent please answer
rodikova [14]

Answer:

AC ≈ 2.87

Step-by-step explanation:

Using the sine ratio in the right triangle

sin35° = \frac{opposite}{hypotenuse} = \frac{AC}{AB} = \frac{AC}{5}

Multiply both sides by 5

5 × sin35° = AC , thus

AC ≈ 2.87 ( to the nearest hundredth )

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Sales tax on an item is directly proportional to the cost of the item purchased. If the tax on a $500 item is $30, what is the s
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Step-by-step explanation:

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Help find x out of these 4 questions i can’t find the answer anywheew
babunello [35]

Answer:

Option D. 11√6/2

Step-by-step explanation:

We'll begin by calculating the side opposite to angle 60°.

This is illustrated below:

Angle θ = 60°

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Using the sine ratio, we can obtain the side opposite to angle 60° as follow:

Sine θ = Opposite/Hypothenus

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Cross multiply

Opposite = 11 × Sine 60

Sine 60 = √3/2

Opposite = 11 × √3/2

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Finally, we shall determine the value of x as follow:

Angle θ = 45°

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Hypothenus = x

Using the sine ratio, we can obtain the value of x as shown below:

Sine θ = Opposite/Hypothenus

Sine 45° = 11√3/2 /x

Cross multiply

x × Sine 45° = 11√3/2

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x × 1/√2 = 11√3/2

x/√2 = 11√3/2

Multiply through by √2

x = √2 × 11√3/2

x = 11√6/2

4 0
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