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3 years ago

the average adult breathes in about 37 L of air every 5 minutes. What is the rate of change of volume of air?

Mathematics

1 answer:

White raven [17]3 years ago

5 0

The answerd is 197 because I estamited 37X5 to 40X5 is 200 than 200-3 is 197

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4 years ago

Which graph represents y=x-4?

ludmilkaskok [199]

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3 years ago

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2 years ago

King Kong stands on the edge of the roof of a 62 foot high building. You poke your head out of a manhole and measure the angles

Oliga [24]

Answer:

46.55 feet (approx).

4.48 feet ( approx )

Step-by-step explanation:

Let x be distance manhole from the building. ( in feet ) and y be the height of the King Kong.

∵ The angles of elevation to the top of King Kong's head and to his feet are 55 degrees and 53.1 degrees respectively.

By the trigonometric ratio,

$\tan 53.1^{\circ}=\frac{62}{y}$

$\implies y =\frac{62}{\tan 53.1^{\circ}}\approx 46.55$

Thus, the distance of the manhole from the building would be 46.55 feet (approx).

Again by the trigonometric ratio,

$\tan 55^{\circ}=\frac{62+x}{46.55}$

$\tan 55^{\circ}\times 46.55=62 + x$

$66.48 = 62 + x$

$\implies x = 66.48 - 62 = 4.48$

Hence, King Kong is approximately 4.48 feet long.

7 0

3 years ago

Solve log 2x^2 + 2 = 6. Round to the nearest thousandth if necessary.

o-na [289]

Answer:

x = 70.71

Step-by-step explanation:

log 2x² + 2 = 6.

log 2x² + log 100= log 10⁶.

2x² × 100 = 10⁶

2x² = 10⁶/100

2x² = 10⁴

x² = 10⁴/2

x² = 5000

x = √5000

x is approximately 70.71

x = 70.71

5 0

3 years ago