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Paraphin [41]
4 years ago
8

Please help? On math?

Mathematics
1 answer:
Molodets [167]4 years ago
4 0
6.4^2 + 3.5^2 = c^2\\\\40.96 + 12.25 =c^2\\\\c^2 = 53.21\\\\c=\sqrt{53.21}\\\\\boxed{\bf{c = 7.3~cm}}
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A fair, twenty-faced die has 19 of its faces numbered from 1 through 19 and has one blank face. Another fair, twenty-faced die h
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3 years ago
Find the inverse of the following function.
Naddik [55]

For this case we must find the inverse of the following function:

f (x) = 8 \sqrt {x}

For this, we follow the steps below:

We change f (x) to y:

y = 8 \sqrt {x}

We exchange the variables:

x = 8 \sqrt {y}

We solve for y:

8 \sqrt {y} = x

We divide between 8 on both sides of the equation:

\sqrt {y} = \frac {x} {8}

We raise both sides of the equation to the square to remove the root:

y = (\frac {x} {8}) ^ 2\\y = \frac {x ^ 2} {64}

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ANswer:

Option C

3 0
3 years ago
Can somebody help me with these problems please
mario62 [17]

Answer:

11. A. \frac{12}{13}

12. D. \frac{35}{12}

Step-by-step explanation:

11: Sin is just the side opposite of the angle divided by the hypotenuse of the triangle

Opposite of A = 36

Hypotenuse of the triangle = 39

36/39 = \frac{12}{13}

12. Tan is the side opposite of the angle divided by the side adjacent to the angle

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Hope this helps!

3 0
2 years ago
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navik [9.2K]

Answer:

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Step-by-step explanation:

k = 3pw

Step 1: switch sides.

3pw = k

Step 2: Since you want w alone, and w is being multiplied by 3p, divide both sides by 3p.

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7 0
3 years ago
In the following diagram lines m are n parallel the measures of AEB, BAE and CED are shown what is the measure of EBF
guapka [62]

Answer:

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Step-by-step explanation:

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x - 15 = 10 ( add 15 to both sides )

x = 25

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∠ EBF is an exterior angle of the triangle , then

∠ EBF = 60° + 38° = 98°

8 0
3 years ago
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