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4 years ago

5

a tree cast shadow that is 24 ft long. a 4-ft tall young boy casts a shadow that is 3 ft long. the two triangels created are sim

ilar. how tall is the tree?

1 answer:

nikitadnepr [17]3 years ago

4 0

32 Feet because 4/3 is equal to 1 1/3 and 24 times 1/3 is equal to 32.

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the probability of drawing a red coin after three red coins are put back in the bag to replace the blue one that has been remove

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4? I'm not sure. Just guessed.

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3 years ago

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Read 2 more answers

5c squared- d squared+3/2c - 4d...c= -1. d= -4

riadik2000 [5.3K]

For this case we have the following expression:

$5c ^ 2-d ^ 2 + \frac {3} {2} c-4d$

We must find the value of the expression when:

$c = -1\\d = -4$

Substituting we have:

$5 (-1) ^ 2 - (- 4) ^ 2 + \frac {3} {2} (- 1) -4 (-4) =\\5 (1) -16- \frac {3} {2} + 16 =\\5-16- \frac {3} {2} + 16 =\\-11- \frac {3} {2} + 16 =\\- \frac {25} {2} + 16 =\\\frac {-25 + 32} {2} =\\\frac {7} {2}$

Finally, the value of the expression is:

$\frac {7} {2}$

ANswer:

$\frac {7} {2}$

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3 years ago

Olegator [25]

Answer:

21

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If x was more than 1, then it would be impossible because fx would have to be even, but 4x+3 would be odd. Therefore, x must equal 1, and f must equal 7. This means that 3f=21

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Step-by-step explanation:

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