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3 years ago

8

What is the equation for this word problem. Steve and Josephine ran 42 miles in a week. Steve ran 6 less than Josephine how many

miles did Josephine run?

1 answer:

Alborosie3 years ago

7 0

Steve-x
Josephine-y
x+y=42
y=x+6

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Based on the figure below, the ratio of x/y is equivalent to which trigonometric function?

Ede4ka [16]

Answer: OPTION D.

Step-by-step explanation:

For this exercise it is important to remember the following Trigonometric Functions:

$sin\alpha =\frac{opposite}{hypotenuse}\\\\cos\alpha =\frac{adjacent}{hypotenuse}\\\\tan\alpha =\frac{opposite}{adjacent}\\\\sec\alpha =\frac{hypotenuse}{adjacent}\\\\csc\alpha =\frac{hypotenuse}{opposite}\\\\cot\alpha =\frac{adjacent}{opposite}$

Knowing this, we can identify that:

$cosA=\frac{AC}{AB}=\frac{x}{AB}\\\\sinB=\frac{AC}{AB}=\frac{x}{AB}\\\\secA=\frac{AB}{AC}=\frac{AB}{x}\\\\tanB=\frac{AC}{BC}=\frac{x}{y}$

Therefore, the ratio $\frac{x}{y}$ is equivalent to this Trignometric function:

$tanB=\frac{x}{y}$

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4 years ago

What does h(40) = 1700 mean in terms of the problem?

Tasya [4]

Answer:

A worker with 40 hours of training gets 1700 per month

Step-by-step explanation:

h(40) = 1700

h(40) means the input is 40 so we have 40 hours of training and the output is 1700

A worker with 40 hours of training gets 1700 per month

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What is the solution of x - 9/ 7x + 2 < 0

vampirchik [111]

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Step-by-step explanation:

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Find the number of sides in a regular polygon with an interior angle of 160 ◦

rjkz [21]

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a triangle because a friangel always adds up to 180° so. 180 -160 = 20 and both of the other 2angles can be 10°

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20 because 4/5 is 16 so 4•5=20 like 4•4=16

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