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3 years ago

5

Tiffany answered 80% of the questions on her math test correctly. There were 40 questions. How many questions did Tiffany get co

rrectly

1 answer:

Harlamova29_29 [7]3 years ago

7 0

Tiffany answered 32 questions correctly since 32/40 is .80

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2 years ago

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2 years ago

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2 years ago

Let g(x) = root of 4x and f(x) = 3x^3 + 8x^2 , what is the expression of the compound h(x) = g(f(x)) ?

Nitella [24]

The composite function as shown is $g(f(x)) =\sqrt{12x^3+32x^2}$

<h3>Composite functions</h3>

Given the following fnctions

$f(x) = 3x^3 + 8x^2\\g(x) = \sqrt{4x}$

The composite function g(f(x)) is expressed as:

$g(f(x)) =g(3x^3 + 8x^2)\\g(f(x) )=\sqrt{4(3x^3 + 8x^2)} \\g(f(x)) =\sqrt{12x^3+32x^2}$

Hence the composite function as shown is $g(f(x)) =\sqrt{12x^3+32x^2}$

Learn more on composite function here: brainly.com/question/10687170

4 0

2 years ago

Read 2 more answers

Find the measure of the indicated angle to the nearest degree. Thanks.

Sholpan [36]

Answer:

θ ≈ 40°

Step-by-step explanation:

Since, sinθ = $\frac{\text{Opposite side}}{\text{Hypotenuse}}$

cosθ = $\frac{\text{Adjacent side}}{\text{Hypotenuse}}$

tanθ = $\frac{\text{Opposite side}}{\text{Adjacent side}}$

In the picture attached,

Measures of adjacent side and opposite side of the triangle have been given. Therefore, tangent rule will be applied in the given triangle.

tanθ = $\frac{19}{23}$

θ = $\text{tan}^{-1}(\frac{19}{23})$

θ = 39.56

θ ≈ 40°

5 0

2 years ago