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4 years ago

there are 12 people on the basketball team. how many different 5-person starting lineups can be chosen?

Mathematics

1 answer:

Mrac [35]4 years ago

7 0

If there are 5 specific spots and the order does matters then we would have:

11*9*8=792

Hope this helps!

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A triangle with two congruent sides is always a 45-45-90 triangle.<br><br> A. True<br><br> B. False

MissTica

B. False

Not necceserly

It can be 10 10 and 160
Since it has to sum up to 180

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3 years ago

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The problem is in the picture :)

frozen [14]

Answer:

Last option: 4

Step-by-step explanation:

The quadratic equation simplified: $x^2-4x=-\frac{7}{2}$ has the form:

$ax^2+bx=c$

In this case, you can identify that "a", "b" and "c" are:

$a=1\\b=-4\\c=-\frac{7}{2}$

To solve this quadratic equation by completing the square, Carlos should add $(\frac{b}{2})^2$ to both sides of the equation. This is:

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Then:

$x^2-4x+4=-\frac{7}{2}+4$

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3 years ago

If Steve throws the football 50 meters in 3 seconds, what is the average speed of the football? Speed = distance / time

ankoles [38]

Answer:

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3 years ago

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Please need help thank you

jenyasd209 [6]

Answer:

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3 years ago

Kristen is 64 inches tall, and she stands 12 feet away from a streetlight. If she casts an 82-inch-long shadow, how tall is the

o-na [289]

Answer:

176.39 inches or

14.70 feet

Step-by-step explanation:

Consider the right triangle made by Kristen, ground and shadow.

This triangle has one leg as 64 inches.

Next consider the right triangle formed by street light, ground upto shadow tip.

The two triangles have common angle of elevation and also another angle as 90 degrees.

Hence the two triangles would be similar

Also if A is the angle made by hypotenuse of both triangles with the ground we have

$tanx=\frac{64}{82}$

This value also equals by bigger triangle as

$tanx=\frac{h}{82+12(12)}=\frac{h}{226}$

From these two we get

h = height of street light = $\frac{226(64)}{82} =176.39$

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3 years ago