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Harrizon [31]
3 years ago
8

Write an algebraic expression. Multiply the sum of 4 and a number (n) by 3.

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
4 0
The answer could look sumn like this 4+n(3)
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how many 5 letter combinations can be created from the letters in the world “friendly” assume that the order of the letters does
Artyom0805 [142]

Answer:

Number of combinations = 56

Step-by-step explanation:

Points to remember

nCₐ = n!/(r!(n - r)!)

The given word is "FRIENDLY"

F R I E N D L Y is a 8 letter word.

<u>To find the number of combinations</u>

5 letters can be selected from 8 letter = 8C₅

8C₅ = 8!/(8 - 5)!5!

 = 8!/3!5!

 = (8 * 7 * 6* 5!)/(1 * 2 * 3 * 5!)

 = 8 * 7

 =  56

5 letter combinations can be created from the letters in the world “friendly = 56

4 0
4 years ago
A,b,c or d please help i don’t understand this
alexira [117]

uhm the answer is D. sorry if am wrong

7 0
3 years ago
On a certain airline, customers are assigned a row number when they purchase their ticket, but the four seats within the row are
maksim [4K]

Answer:

The probability that they sit next to each other is 50%.

Step-by-step explanation:

Consider the provided information.

It is given that there are four seats within the row are first come, first served during boarding.

There are 4 seats and 2 customers (Karen and Georgia)

The total number of ways in which Karen and Georgia can sit is: ^4C_2

Now if they will sit together, then consider  Karen and Georgia as a single unit.

Thus, the number of ways in which they can sit together is: ^3C_1

The required probability is:

P=\frac{^3C_1}{^4C_2} \\\\P=\frac{3}{6}\\\\P=\frac{1}{2}

Hence, the probability that they sit next to each other is 50%.

6 0
3 years ago
Using the digits 0 to 9 ​
Gre4nikov [31]

Supplementary Angles:

\boxed{100°} and \boxed{80°}

Arithmetically speaking, the closest 2 supplementary angles can get (in 3 and 2 digits respectively) is the upwritten.

Complementary Angles:

\boxed{45°} and \boxed{45°}

Simply, in this case, for angles to be numerically as close as possible - make both the angles 45°.

8 0
2 years ago
Find the midpoint of the segment with the given endpoint M(-2,1) and N (-3,2)
Aleks04 [339]
(-2,1)
(-2.5,1.5)
(-3,2)
3 0
3 years ago
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