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4 years ago

12

Jose earned 55 points in a video game. He lost 35 points, earned 84 points, then lost 25 more points. Enter and evaluate an expr

ession to find his final score in the video game.

1 answer:

NeTakaya4 years ago

5 0

55 - 35 + 84 - 25 = 79

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Consider a cylinder with radius 2 cm and a height of 8 cm. Describe how to calculate the volume of the given cylinder, and what

suter [353]

You would take the base of the cylinder and multiply it by the height. the volume is the measure of everything in the shape, like filling it up with water and the water that fills it up to the top is the volume

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3 years ago

Prove the identity

Troyanec [42]

Answer:

Proved

Step-by-step explanation:

The options are not given. So, I will solve from scratch

Given

$\frac{secx-1}{tan x}= \frac{tanx}{secx+1}$

Required

Prove

Multiply the right-hand side by $\frac{secx + 1}{secx + 1}$

$\frac{secx-1}{tan x} * \frac{secx + 1}{secx + 1}= \frac{tanx}{secx+1}$

Apply difference of two squares on the numerator

$\frac{sec^2 x - 1}{(tanx)(secx + 1)} =\frac{tanx}{secx+1}$

In trigonometry:

$tan^2x = sec^2x - 1$

So, we have:

$\frac{tan^2 x}{(tanx)(secx + 1)} =\frac{tanx}{secx+1}$

$\frac{tan x * tan x}{(tanx)(secx + 1)} =\frac{tanx}{secx+1}$

tan x cancels out

$\frac{tan x}{secx + 1} =\frac{tanx}{secx+1}$

<em>Proved</em>

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3 years ago

A student walks 1/4 Mile from her home to the store on her way to a friend's house if the store is 1/3 of the way to a friend's

exis [7]

the store is 1/3 the way to her friend's house, not 1/3 mile.

this explains solution:

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x = 1/4 * 1/3

x = 3/4

Notes:

X: is the total distance.

1/3 is the one portion of total distance.

1/4 mile is the distance store.

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4 years ago

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spayn [35]

Answer:

1

Step-by-step explanation:

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3 years ago

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andre [41]

Step-by-step explanation:

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$log( \frac{x}{3} ) = log(x - 2)$

$\frac{x}{3} = x - 2$

x = 3(x - 2)

x = .......

8 0

3 years ago