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Scrat [10]
3 years ago
8

Evaluate the products 4 × (-3/4)

Mathematics
2 answers:
hoa [83]3 years ago
8 0

When multiplying by fractions, you just multiply the numerators together, and the denominators.  Any whole number can be represented by a fraction over one.  So


4 = \frac{4}{1}


Now, we just multiply

\frac{4}{1}\times \frac{-3}{4}=\frac{4\times-3}{1\times4} =\frac{-12}{4} =\frac{-3}{1}=-3


-3

babunello [35]3 years ago
8 0

Hello!

<u><em>Answer: =-3. *The answer must have a negative sign.*</em></u>

<u><em>Explanation:</em></u>

<u><em>Do remove by parenthesis first.</em></u>

<u><em>-4*3/4</em></u>

<u><em>Then, multiply by the numbers and fractions.</em></u>

<u><em>-3*4/4</em></u>

<u><em>Cancel out by the common term and factors of 4.</em></u>

<u><em>=-3</em></u>

<u><em>It changes positive to negative sign.</em></u>

<u><em>Hope this helps!</em></u>

<u><em>Thanks!</em></u>

<u><em>Have a great day!</em></u>

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Answer:

A' =(-y,x)

Step-by-step explanation:

Given

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A = (x,y)

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When a point is rotated counterclockwise, we start by switching the positions of x and y as follows:

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Then, y is negated to give A'

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5 0
3 years ago
You are taking a multiple-choice test that has six questions. Each of the questions has three answer choices, with one correct a
Nostrana [21]

Answer:

729 ways

Step-by-step explanation:

Given

Number of questions = 6

Choices = 3

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For each of the 6 questions;

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The possible ways for the 6 questions is:

Possible\ Ways = 3 * 3 * 3 * 3 * 3 * 3

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4 0
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Convert the Cartesian equation x - 5 = 0 to a polar equation.
mylen [45]

Answer:

  r = 5sec(θ)

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5 0
2 years ago
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Answer:

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We are given that 1 light year ≈ 5.9 x 10^{12} miles so:

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Multiply 4.3 an 5.9 and round to 2 significant digits then add the exponents:

                                              ≈25 x 10^{14}

This is not the scientific notation since the number is not between 0 and 10 so we move the decimal point by 1 place to the left. We then add 1 to the exponent to obtain the final answer:

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