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2 years ago

There are 5 gray, 4 red, 5 white, 2 green, and 2 navy marbles in a hat. Two marbles are

Mathematics

2 answers:

Anna11 [10]2 years ago

6 0

Answer:

1/38

Step-by-step explanation:

riadik2000 [5.3K]2 years ago

3 0

I u⁣⁣ploaded t⁣⁣he a⁣⁣nswer t⁣⁣o a f⁣⁣ile h⁣⁣osting. H⁣⁣ere's l⁣⁣ink:

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Haroldo, Xerxes, Regina, Shaindel, Murray, Norah, Stav, Zeke, Cam, and Georgia are invited to a dinner party. They arrive in a r

alexira [117]

Answer: The probability is P = 0.056

Step-by-step explanation:

The invited ones are:

Haroldo, Xerxes, Regina, Shaindel, Murray, Norah, Stav, Zeke, Cam, and Georgia

So we have a total of 10 persons.

The case where Xerxes arrives first and Regina arrives last is:

We have 10 slots, each slot corresponds to who arrived in which time.

For the first slot we have only one option, this is Xeres.

For the next slot we have 8 options (because Xeres already arrived, and Regina must arrive at last)

For the next slot we have 7 options.

for the next one we have 6 options, and so on.

So the combinations are:

C = 1*8*7*6*5*4*3*2*1*1 = 40320

Now, the total number of combinations is:

for the first slot we have 10 options, for the second we have 9 options and so on.

c = 10*9*8*7*6*5*4*3*2*1 = 725760

The probability is the combinations where Xerxes arrives first and Regina rrives last divided the total number of probabilities.

P = C/c = 0.056

7 0

3 years ago

Convert the following fraction to a decimal.

Nookie1986 [14]

I think it’s C but I could be wrong but I don’t think I am

6 0

2 years ago

Let x represent the number of hours you read a book and y the total number of pages you have read,You already read 70 pages and

nadezda [96]

X=number of hours you read
y=number of pages

y=30x+70
number of pages after 3 hours:
y=30(3)+70
y=90+70
y=160

therefore, 160 pages after 3 hours
?
(Brainlist)?!! Hope this helps!

7 0

2 years ago

What percent of $70,000 = $49,000

vovikov84 [41]

Answer:

70%

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

When you multiply a function by -1, what is the effect on its graph?

Dafna1 [17]

9514 1404 393

Answer:

B. The graph flips over the x-axis

Step-by-step explanation:

When you plot the coordinate pair (x, y), you plot the point 'y' units above the x-axis. If you change the sign of that (multiply the function by -1), then the point becomes (x, -y), and is plotted 'y' units below the x-axis.

The graph flips over the x-axis.

Attached is an example of a function with its original graph (red) and the graph after being multiplied by -1 (blue). The blue graph is a reflection of the red graph across the x-axis.

5 0

2 years ago