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max2010maxim [7]
2 years ago
11

Yall help me PLEASE frll

Mathematics
1 answer:
inessss [21]2 years ago
7 0

The sum of the given terms will be -3x² + 8x - -9.

<h3>What is summation?</h3>

A summation, also abbreviated as a sum, is the outcome of adding two or more numbers or quantities. Here are always an integer number of terms in a summation.

There could be only two terms, but there could be one hundred, thousand, or a million. There are summations with an infinite set of parameters.

Given,

(8x - 2)  + (-3x² - 7)

Opening bracket

⇒  8x - 2  - 3x² - 7

Neighbour likely terms

⇒ -3x² + 8x -2 - 7

⇒ -3x² + 8x - 9

Hence the resultant sum of the given equations is -3x² + 8x - 9.

For more information about summation

brainly.com/question/10777222

#SPJ1

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Josiah kept track of how many songs of each genre were played in an hour from his MP3 player. The counts are displayed in the ta
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Based on the number of songs in each genre that Josiah listened to, the statements about his solution that are true are:

  • He should have found the average of the number of rock songs by averaging 4 and 6 to get 5.
  • He did not multiply the numerator and denominator by the correct number to equal 1,500.
  • He should have multiplied the numerator and denominator by 75, not 30, because 20 times 75 = 1,500.

<h3>What did Josiah do wrong?</h3>

To find the average of the number of rock songs, he should have taken the average of rock songs he listened to which were 4 and 6:

= (4 + 6) / 2

= 5

Because he has a total of 1,500 songs on his player, he should have multiplied both the numerator and denominator by a number that would lead to 1,500 which is 75 and not 30.

Find out more on averages at brainly.com/question/13832161.

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7 0
1 year ago
In a student art contest there are 14 ​drawings, 34 ​sculptures, and some paintings. There are 16 more paintings than sculptures
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4 years ago
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A student attempted to generate an equivalent expression using the distributive property, as shown below:
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It is 6 was not multiplied by 3
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3 years ago
Are the expressions -0.5(3x + 5) and -1.5x + 2.5 equivalent? Explain why or why not
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Answer:

Step-by-step explanation:

-0.5(3x + 5)   and   -1.5x + 2.5

-0.5(3x + 5)...distribute the -0.5 thru the parenthesis

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no, these are not equivalent.... one is -1.5x + 2.5 and the other is -1.5x - 2.5....not the same

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