3 years ago

Are these questions done correctly?

1 answer:

6 0

For number 20 they are incorrect.
You must start with one number.
Ex: 4 (4) (4) (4) is 4 to the 3 power because their are three times it is multiplied.

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Write each statement as an algebraic expression.

12345 [234]

Just go through it phrase by phrase by phrase - one step at a time.

2*( )
2*(x - 7)
$\frac{2*(x - y)}{5*x*y}$

6 0

3 years ago

Is this set closed or not closed under the operation ? Negative integers under multiplication

Romashka [77]

The set is not closed

Example:

-4 * -3 = 12 this is not a negative integer

5 0

3 years ago

If 2/3 of a certain number is subtracted from twice the number, the result is 20. Find the number.

sleet_krkn [62]

Let x be the number.

Set up an equation:

2x - 2/3x = 20

Simplify:

1 1/3x = 20

Divide both sides by 1 1/3

X = 15

The number is 15

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3 years ago

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I’ll give the correct answer brainliest. Happy Halloween!

nignag [31]

Answer:

Correct answer is A 357,5

Step-by-step explanation:

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What is the value of x in the figure below?

Ann [662]

Answer:14

Step-by-step explanation:

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