3 years ago

PLEASE HELP !!!!!!!!!!

Mathematics

1 answer:

umka21 [38]3 years ago

4 0

Answer:

3 quarters

7 dimes and a nickel

7 dimes and 5 pennies

15 nickles

75 pennies

2 quarters 2 dimes and a nickel

etc.

Step-by-step explanation:

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devlian [24]

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7 0

3 years ago

Simplify (-7x+5)-(2x^2-8x+6) in standard form

Zarrin [17]

Answer: -2x² - 15x + 11

Step-by-step explanation:

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2 years ago

What is the value of 10C3?

Zigmanuir [339]

The answer is B. 120

nCr = n! / ((r! * (n - r)!)

n = 10
r = 3

10C3 = 10! / ((3! * (10 - 3)!)
= 10! / ((3! * 7!)
= (10 * 9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1) / (3 * 2 * 1 * 7 * 6 * 5 * 4 * 3 * 2 * 1)
= 3628800 / 30240
= 120

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3 years ago

The waiting time, in hours, between successive speeders spotted by a radar unit is a continuous ran- dom variable with a cumulat

enyata [817]

Answer: 0.5507

Step-by-step explanation:

Given : The waiting time, in hours, between successive speeders spotted by a radar unit is a continuous random variable X with a cumulative distribution function

$F(x)= \begin{cases}0,& x$