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kobusy [5.1K]
3 years ago
9

Which expression shows the prime factorization of 20?

Mathematics
1 answer:
Firlakuza [10]3 years ago
5 0
The expression that lists all numbers in prime numbers would be A. All numbers here are prime numbers, and is in the simplified form, the remaining choices are not in their simplified forms and can be broken down into smaller numbers that multiply to give their value.
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What is the value of C?<br>14 = -2C - 6 – 3C <br>​
icang [17]

Answer:

C = -4

Step-by-step explanation:

First, combine like terms (terms with the same amount of variables):

14 = -2C - 3C - 6

14 = (-2C - 3C) - 6

14 = (-5C) - 6

Isolate the variable, C. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS. PEMDAS is the order of operation, and equals:

Parenthesis

Exponents & Roots

Multiplication

Division

Addition

Subtraction.

First, add 6 to both sides:

14 (+6) = -5C - 6 (+6)

14 + 6 = -5C

-5C = 20

Next, divide -5 from both sides:

(-5C)/-5 = (20)/-5

C = 20/-5

C = -4

-4 is your value for C.

~

7 0
3 years ago
Read 2 more answers
a coin is flipped eight times where each flip comes up either heads or tails. how many possible outcomes: 1). are there in total
Ymorist [56]

There are 256 ways in total and 56 possible outcomes contain exactly three heads. The possible outcomes contain at least three heads is 219.

Consider the provided information.

A coin is flipped eight times where each flip comes up either heads or tails.

Part (a) How many possible outcomes are there in total?

Each time we flip a coin it comes up either heads or tail.

Therefore the total number of ways are: 2⁸ = 256

Hence, there are 256 ways in total.

Part (b) contain exactly three heads?

We want exactly 3 heads, therefore,

n=8 and r=3

According to the definition of combination:

To get exactly 3 heads,

n=8 and r=3

(⁸C₃ ) = 8! / 3!(5!) = 56.

Therefore, there are 256 ways in total and 56 possible outcomes contain exactly three heads. The possible outcomes contain at least three heads is 219.

Read more about Probability here

brainly.com/question/24756209

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6 0
1 year ago
Please help me with this, I’m having trouble with the equation.
Lapatulllka [165]

Answer:

Completing the square

Step-by-step explanation:

The next step would be to factor into a perfect square

3 0
3 years ago
To make 5 apple pies you need 2 pounds of apples how many pounds of apples do you need to make 20 Apple pies
Vanyuwa [196]
8 pounds. Because you'll need 4 pounds to make 10 apple pies, 6 pounds to make 15 apple pies, and 8 pounds to make 20 apple pies.
5 0
3 years ago
Please help fast with correct answer no guessing answer. Only answer if actually know the answer
lawyer [7]

Answer:

it is d inverse

Step-by-step explanation:

7 0
3 years ago
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