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aliina [53]
3 years ago
12

In how many ways can 5 different books be arranged on a shelf? 5 24 120

Mathematics
1 answer:
vlabodo [156]3 years ago
7 0
120 ways. More details in attachment.

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T<br> ✓<br> Х<br> Find the sum of (x2 – 7x + 5) and (-3x2 - x + 10)<br> [
Zanzabum

Answer:

-2x² - 8x + 15 = 0

Step-by-step explanation:

Given the following algebraic expression;

x² – 7x + 5

-3x² - x + 10

To add the equation together;

x² – 7x + 5 + (-3x² - x + 10) = 0

x² – 7x + 5 - 3x² - x + 10 = 0

Collecting like terms, we have;

(x² - 3x²) - (7x + x) + (5 + 10) = 0

-2x² - 8x + 15 = 0

8 0
3 years ago
Question 6 (2 points)
Orlov [11]

Answer:

Blank 1: (-7,0)

Blank 2: (-1,0)

Step-by-step explanation:

Plug x=0 into the equation and solve the resulting equation y=7 for y

Plug y=0 into the equation and solve the resulting equation 0=(x+1)(x+7) for x

6 0
3 years ago
Sorry theres 3 more after this its all urgent
faust18 [17]

Answer:

b

Step-by-step explanation:

I just took the quiz

6 0
3 years ago
Pls help fast:<br>How many ways can 3 songs be chosen from 12 to create a 3 song ordered play list?​
leva [86]

Answer:

1320

Step-by-step explanation:

Total number of songs = 12

Number of songs required to arrange in a play list = 3

It means we have to arrange 3 songs from 12 in the play lines. So, required number of ways is

Ways=^{12}P_{3}

Ways=\dfrac{12!}{(12-3)!}         [\because ^nP_r=\dfrac{n!}{(n-r)!}]

Ways=\dfrac{12\times 11\times 10\times 9!}{9!}

Ways=1320

Therefore, the required number of ways is 1320.

3 0
3 years ago
There are 5 green marbles, 4 red marbles, and 3 yellow marbles , determine the probability that two green marbles are chosen
frez [133]
Most likely green would be chosen but since they are mixed together u will mostly get yellow
5 0
3 years ago
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