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2 years ago

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A bus makes a stop at 2:30, letting off 12 people and letting on 3. The bus makes another stop ten minutes later to let off 2 mo

re people. How does the number of people on the bus after the second stop compare to the number of people on the bus before the 2:30 stop

1 answer:

ludmilkaskok [199]2 years ago

5 0

There are fewer people on the bus

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A zealous geologist is sponsoring a contest in which entrants have to guess the age of a shiny rock. He offers these clues: the

nataly862011 [7]

Answer:

The total number of possibilities are 60.

Step-by-step explanation:

Given:

There are 6 digits and 3,7,9 are odd ones.

To Find:

How many possibilities are there for the rock's age

Solution:

Here condition is that number should start with odd digit

so there 3 number only as odd(3,7,9)

So it leaves 3 repeating numbers i.e.2

So permutation of 5 numbers with 3 odd numbers

So possible arrangement will be

nPr

n=5 ,r=3

So 5P3=5!/3!

And finally for all possibilities as

=3*(5!/3!)

=3*(20)

=60

3 0

3 years ago

P(x)=Third-degree, with zeros of −3, −1, and 2, and passes through the point (1,12).

Mila [183]

Answer:

The polynomial is:

$p(x) = -x^3 - 2x^2 + 5x + 6$

Step-by-step explanation:

Zeros of a function:

Given a polynomial f(x), this polynomial has roots $x_{1}, x_{2}, x_{n}$ such that it can be written as: $a(x - x_{1})*(x - x_{2})*...*(x-x_n)$ , in which a is the leading coefficient.

Zeros of −3, −1, and 2

This means that $x_1 = -3, x_2 = -1, x_3 = 2$ . Thus

$p(x) = a(x - x_{1})*(x - x_{2})*(x-x_3)$

$p(x) = a(x - (-3))*(x - (-1))*(x-2)$

$p(x) = a(x+3)(x+1)(x-2)$

$p(x) = a(x^2+4x+3)(x-2)$

$p(x) = a(x^3+2x^2-5x-6)$

Passes through the point (1,12).

This means that when $x = 1, p(x) = 12$ . We use this to find a.

$12 = a(1 + 2 - 5 - 6)$

$-12a = 12$

$a = -\frac{12}{12}$

$a = -1$

Thus

$p(x) = -(x^3+2x^2-5x-6)$

$p(x) = -x^3 - 2x^2 + 5x + 6$

6 0

3 years ago

There are 5,280 feet in a mile. A jet is flying at an altitude of 33,400 feet. To the nearest 0.1 mi, how many miles high is the

e-lub [12.9K]

Divide 33,400 by 5280 and you get 6.3 miles

4 0

3 years ago

PLEASE HELP <br> I just wanna be done with this

charle [14.2K]

Step-by-step explanation:

The amount of times you roll the dice x 10 = answer

8 0

2 years ago

Please help me out with this

tekilochka [14]

Yes they are similar

7 0

2 years ago