3 years ago

Classify the following triangle

Mathematics

1 answer:

o-na [289]3 years ago

4 0

Answer: A

Step-by-step explanation:

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(x-3)(2x^2-5x+1) what is the product?

vivado [14]

Its 2x^3 - 11x^2 + 16x -3
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4 years ago

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The fastest that a seahorse can travel is 2640 feet per hour.what is its top speed in miles per hour

miv72 [106K]

Answer:

½ mph

Step-by-step explanation:

1 mi. = 5280 ft.

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3 years ago

If A and B are independent events with P(A) = .5 and P(B) = .2, find the following:a) P(A U B)b) P(A^c ? B^c)c) P(A^c U B^c)**No

Effectus [21]

If A and B are independent, then $P(A\cap B)=P(A)P(B)$ .

$P(A\cup B)=P(A)+P(B)-P(A\cap B)=P(A)+P(B)-P(A)P(B)$

$P(A\cup B)=0.5+0.2-0.5\cdot0.2$

$\boxed{P(A\cup B)=0.6}$

b. I'm guessing the ? is supposed to stand for intersection. We can use DeMorgan's law for complements here:

$P(A^c\cap B^c)=P(A\cup B)^c=1-P(A\cup B)$

$P(A^c\cap B^c)=1-0.6$

$\boxed{P(A^c\cap B^c)=0.4}$

c. DeMorgan's law can be used here too:

$P(A^c\cup B^c)=P(A\cap B)^c=1-P(A\cap B)=1-P(A)P(B)$

$P(A^c\cup B^c)=1-0.5\cdot0.2$

$\boxed{P(A^c\cup B^c)=0.9}$

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3 years ago

The linear equation y = 400 + 50x represents the total cost, y , per hour, x , for a lawyer at a law firm. The lawyer charges a

earnstyle [38]

Answer:

453

Step-by-step explanation:

because we multiply the value with the equation

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The costs of cookies at store A shown in the graph. The cost y for x cookies at store B is represented by the equation y = 0.30x

kykrilka [37]

Answer:

Step-by-step explanation:

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3 years ago