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4 years ago

Three minus twice a number x is greater than fifty-five. Write an inequality to represent this statement.

Mathematics

1 answer:

Marina CMI [18]4 years ago

4 0

Answer:

2x - 3 > 55

Step-by-step explanation:

the answer is above

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Evaluate 8-2.<br>A. -16<br>B. -64<br>C. -1/64<br>D. 1/64<br>

makvit [3.9K]

I'm assuming you meant to write 8^(-2) or $8^{-2}$ where the -2 is the exponent over the 8.

If my assumption is correct, then we use the rule $a^{-b} = \frac{1}{a^b}$

So,

$a^{-b} = \frac{1}{a^b}\\\\8^{-2} = \frac{1}{8^2}\\\\8^{-2} = \frac{1}{64}$

<h3>Answer: Choice D. 1/64</h3>

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2 years ago

What is the Axis of Symmetry in Parabolas?

Gnesinka [82]

The axis of symmetry always passes through the vertex of the parabola. The x-coordinate of the vertex is the equation of the axis of symmetry of the parabola. For a quadratic function in standard form, y = ax 2 + bx + c, the axis of symmetry is a vertical line.

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3 years ago

How do I show the workings out for subtraction 1.56 - 5.20 =

pogonyaev

The Soluton:

Given:

$1.56-5.20$

We are asked to evaluate the given expression.

Explanation:

Since the number you are taking away is greater than thenumber that you want to taake it away from, we have to swap the numbers and then the result will be a negative number.

Therefore, the correct answer is -3.64

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1 year ago

A student flips a coin 58 times. How many times can she expect the coin to land on heads.

goldenfox [79]

Well there’s two sides of a coin
so divide 58 by 2 to get 29

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3 years ago

Read 2 more answers

Help Me Please?????????????

vampirchik [111]

Answer

Step-by-step explanation:

8^-5/8^-2

=8^5-(-2)

=8^5+2

=8^7

=2097152

Note in division if the base the base are same then u can subtract their exponent but in multiplication bases are same u should add their exponent.

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3 years ago