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Anna [14]
2 years ago
14

Simplify 4 + (-3) - 2 times (-6)

Mathematics
2 answers:
iVinArrow [24]2 years ago
8 0

Step-by-step explanation:

= 4 + ( - 3) - 2 ( -  6)

here ( + ) × ( - ) = ( - )

= 4 - 3 + 12

= 4 + 12 - 3

= 16 - 3

= 13

kolezko [41]2 years ago
8 0

The correct result of this simplification is 13

To solve this question, we'll just <u>apply the rule of signs</u> - and then we'll calculate the operations.

- In the sign rule - when both signs are equal, the <u>result will be positive</u>. If the signs are different, the <u>result is negative</u>.

  • - ( - ) = +
  • + ( + ) = +
  • - ( + ) = -
  • + ( - ) = -

<h3>Resolution</h3>

4 + ( - 3 ) - 2 · ( - 6 )

4 - 3 - ( - 12 )

4 - 3 + 12

1 + 12

<u>13</u>

Therefore, the alternative value will be <u>13</u>

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X-coordinate the definition for that
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Answer:

An x-coordinate is the x value in an ordered pair, which is just two mathematical objects, such as numbers, paired together. Usually, the x-coordinate is the first number in that pair. For instance, in the ordered pair (2,5), the x-coordinate would be '2.

Step-by-step explanation:

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4 years ago
About what percent of electric blowers are less than 7.5 pounds? (You do not have to type the percent sign)
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Step-by-step explanation:

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3 years ago
It took 35 seconds for 5 songs to download to Rebecca’s computer. The next day, it took 42 seconds for 6 songs to download. Writ
sleet_krkn [62]

The equation in point-slope form to represent the time y it took to download x songs is; (y - 35) = 7(x - 5)

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  • and it took 42 seconds for 6 songs to download

In essence, we can represent the information as;

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To find the slope of the equation; we have;

  • Slope, m = (42-35)/(6-5)

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In essence, the equation in point-slope form to represent the time y it took to download x songs is;

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3 years ago
(20pts) I need to know who is incorect and why
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6 0
3 years ago
Kameryn types 75 words per minute and is just starting to write a term paper. Joe already has 510 words written and types at a s
AnnZ [28]

Answer:

Kameryn will have more words typed than Joe when the number of minutes exceeds 34.

Step-by-step explanation:

Let

x -----> the number of minutes

y ----> the total words typed

we know that

<em>Kameryn</em>

y=75x -----> equation A

<em>Joe</em>

y=60x+510 -----> equation B

Solve the system of equations by substitution

Substitute equation A in equation B and solve for x

75x=60x+510

75x-60x=510

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The amount of words written by Kameryn and Joe are the same.

therefore

For x > 34 minutes

Kameryn will have more words typed than Joe when the number of minutes exceeds 34.

6 0
4 years ago
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