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Romashka-Z-Leto [24]

3 years ago

10

The sign shows the cost associated with a whitewater rafting trip write an expression to determind the cost of 3 childern and 1

adult renting equipment for whitewater rafting trip that lasts h hours

1 answer:

enot [183]3 years ago

8 0

3+1=h i beev this because you are adding the amount of adults to children then that would get you to h

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π≈3.14

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Miranda found 4 pieces of an ancient ceramic bowl.

Fofino [41]

Answer:

There are many variables to determine if you have all the complete pieces some are the following:

1.- bowl size

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This is important to determine, since if they do not have these requirements, you can find different pieces of different bowls, which will make the pieces never coincide with each other.

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3 years ago

Male tigers weigh about 500 pounds. Female tigers weigh about 300

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3 years ago

Find the exact value of tan(x-y) if sin x=8/17 cosy = 3/5

jolli1 [7]

To solve the the question we proceed as follows:

From trigonometric laws

$(cos x)^2+(sin x)^2=1$

$(cos x)^2+(sin x)^2=1$

$sin (x-y)=sin$ $x$ $sin$ $y-sin$ $y$ $cos$ $x$

$cos (x-y)=cos$ $x$ $cos$ $y+sin$ $x$ $xin$ $y$

si $x=\frac{8}{17}$

$cos$ $x=sqrt(1-(sin x)^2)=sqrt(1-64/289)=sqrt(\frac{225}{289} )=\frac{15}{17}$

$cos$ $y=\frac{3}{5}$

$sin$ $x= sqrt(1- (cos x)^2)= sqrt(1-\frac{9}{25} )=sqrt(\frac{16}{25} )=\frac{4}{5}$

thus

$tan (x-y)=[sin (x-y)]/[cos (x-y)]$

=[sin x cos y-sin y cos x]/[cos x cos y+sin x sin y]

plugging in the values we obtain:

$[8/17 *3/5-4/5*15/7]/[15/17*3/5+8/17*4/5]$

simplifying

$[24/85-60/85]/[45/85+32/85]$

$=-\frac{36}{77}$

6 0

2 years ago