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3 years ago

8

In this triangle, cosA/cosB is equal to what? (the triangle is below)

1 answer:

Tpy6a [65]3 years ago

8 0

Answer:

CosA/CosB =1

CosA = Adjacent side/Hypotenuse

=AC/AB = 3/4.24

Cos B = Adjacent side/Hypotenuse

= BC/AB = 3/4.24

CosA/CosB = (3/4.24)/(3/4.24) = 1

The value of CosA/CosB = 1

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Heather measured a swimming pool and made a scale drawing. In real life, the pool is 45 meters long. It is 65 millimeters long i

oksano4ka [1.4K]

Greetings!

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3 years ago

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Kisachek [45]

Answer:

Part A)

1) $k=250$

2) $y=25$

Part B)

1) $k=7$

2) $y=84$

Step-by-step explanation:

Part 1) x and y vary inversely and x=50 when y=5 find y when x=10 what is k?

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form $y*x=k$ or $y=k/x$

step 1

<u>Find the value of k</u>

x=50 when y=5

substitute the values

$y*x=k$ ------> $5*50=k$ -----> $k=250$

The equation is equal to

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step 2

<u>Find y when x=10</u>

substitute the value of x in the equation and solve for y

$y*(10)=250$

$y=250/10=25$

Part B) x and y vary directly and x=6 when y=42 find k what is y when x=12

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form $y/x=k$ or $y=kx$

step 1

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substitute the values

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The equation is equal to

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step 2

<u>Find y when x=12</u>

substitute the value of x in the equation and solve for y

$y=7(12)=84$

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Alex777 [14]

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