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Nady [450]
2 years ago
10

Out of 2 9 15 21 is not a composite

Mathematics
2 answers:
Lana71 [14]2 years ago
4 0

Answer:

2

Step-by-step explanation:

2 is actually a prime number because composite numbers have more than 2 factors but prime numbers don't.

Harrizon [31]2 years ago
4 0
Answer: 2 Your Welcome!
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Alex saved x dollars.
steposvetlana [31]
Answer:
Ethan = 1.(3x)

Step-by-step explanation:
Let's split "Ethan saved 1/3 more than that"
That = x
So, Ethan saved 1/3 more than x
Meaning that Ethan = x + 1/3x
Combine like terms
Ethan = 1 1/3x
which equals to
Ethan = 1.(3x)

Hope this helps :)
Have a great day


4 0
2 years ago
The perimeter of a playing card is 34 centimeters. It is 10 centimeters tall. How wide is it
mamaluj [8]

Answer:7

Step-by-step explanation: 10 +10 +x+x=34

                                               20+2x= 34

                                               -20            20

                                                       2x=14  x=7

8 0
2 years ago
Read 2 more answers
Which expression represents the prime factorization of 243?
Anika [276]

Answer:

\boxed{3^5}

Step-by-step explanation:

<em>Hey there!</em>

Look at the image below↓

By looking at the image we can tell the PR expression is 3^5.

<em>Hope this helps :)</em>

4 0
3 years ago
Read 2 more answers
American cars use about 600 000 000 gallons of oil per year. How many liters of oil do American cars use per year? Report your a
fiasKO [112]
<span>1 Liter = 1.05 quart. 1/1.05 Liter = 1.05/1.05 quart = 1 quart. Replacing this value of quart in the equation below. 1 gallon = 4 quarts 1 gallon = 4 * 1/1.05 Liters 1 gallon = 3.80952380952 Total oil consumption per year in gallons is 600,000,00 So, total oil consumption per year in liters is obtained by: 600,000,000 * 3.80952380952 = 2285714285.71 liters Converting to scientific notation, we have 2.28571 * 10^9 liters.</span>
4 0
3 years ago
Expand the expression (3-2y)^6 using binomial theorem
Nitella [24]

She should have added 2 to both sides of the equation instead of subtracting 2.

2x -2 = 14

Add 2 to both sides:

2x = 16

Divide both sides by 2:

x = 8

5 0
3 years ago
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