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sattari [20]
3 years ago
14

PLEASE HELP QUICK

Mathematics
2 answers:
KATRIN_1 [288]3 years ago
8 0

1) The probability of getting a queen is 187/10000 which is 0.0187 = 1.87%


2) The probability is 449 / 479 which is 0.937 = 93.7%


You may need to round the answers. It doesn't say if they need to be rounded or not.

8_murik_8 [283]3 years ago
4 0

Hi ShadowHawk,

1) If you conduct an experiment and randomly pull a card from a deck of cards 10,000 times, getting a Queen of Hearts 187 times, what is the experimental probability of drawing a Queen of Hearts the next time?

187/10,000 = 1.87% = 1.9%

2) If a kicker has kicked a ball 479 times for the extra point and scored the point 449 times, what is the experimental probability of the kicker making the next field?

449/479 = 93.7% = 94%

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24r3-64r2-21r+56 answer
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When 0.3(4x – 8) – 0.5(–2.4x + 4) is simplified, what is the resulting expression?
andrew11 [14]

Answer:

2.4x - 4.4

Step-by-step explanation:

0.3(4x – 8) – 0.5(–2.4x + 4)

1.2x - 2.4 + 1.2x -2

2.4x - 4.4

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3 years ago
For the function P(x) = x3 − 9x, at the point (2, −10), find the following. (a) the slope of the tangent to the curve (b) the in
Shalnov [3]

Answer:

3, in both a), b)

Step-by-step explanation:

a) The slope of the line tangent to the curve that passes through the point (2,-10) is equal to the derivative of p at x=2.

Using differentiation rules (power rule and sum rule), the derivative of p(x) for any x is p'(x)=3x^2-9. In particular, the value we are looking for is p'(2)=3(2^2)-9=12-9=3.

If you would like to compute the equation of the tangent line, we can use the point-slope equation to get y=3(x-2)-10=3x-16

b) The instantaneus rate of change is also equal to the derivative of P at the point x=2, that is, P'(2). This is equal to p'(2)=3.

4 0
4 years ago
Simplify (use only positive exponents) : (3y^10)(2y^2)/8y^5
nadezda [96]
When multiplying variables with exponents, all you have to do is to add the exponents and that’s the ‘product.’

So;

(3y^10)(2y^2) is equal to (3)(2)(y^10+2).

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When dividing exponents, you do the opposite and subtract the exponents. And you divide the whole number by half.


6y^12/8y^5 = 3y^7/4

5 0
3 years ago
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