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Ad libitum [116K]
3 years ago
14

Five times the sum of a number and 3 equals 9

Mathematics
1 answer:
jasenka [17]3 years ago
5 0

Answer:

5(x+3)=9

5x+15=9

5x=-6

x=-6/5

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Drag and drop each verbal phrase next to the algebraic expression that models it.
Aleksandr-060686 [28]

Answer: first one is : the base salary of an employee and a 9% salary increase; second one is : the price of a winter coat and a 90% discount ; third one is : the number of students attending school last year and a 90% increase from last year ; fourth one is : the cost of groceries and a 9% discount with coupons

Step-by-step explanation:

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3 years ago
In which quadrant does the point (6,5) lie
il63 [147K]

Answer:

quadrant 1

Step-by-step explanation:

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2 years ago
A map of a park says its scale is 1 to 100. What does that mean?
Alex777 [14]

A scale is a term that refers to the <em>representative fraction</em> for comparing the <u>original</u> length and <u>image</u> length of a given <u>object</u>. It means implies that every 1 unit on the <u>drawing</u> is equal to <u>100</u> units on the <u>park</u>.

A <em>scale</em> is a term that can be referred to as the <em>representative fraction</em> that compares the <u>original</u> length and <u>image</u> length of a given <em>object</em>. Types of <u>scale</u> include enlarged scale, reduced scale, and real scale.

  • Enlarged scale is a <u>scale</u> that is used when the <u>size</u> of a given <em>object</em> is to be <em>increased</em>.
  • <em>Reduced scale</em> is used when the <u>size</u> of a given <u>object</u> is to be <em>decreased</em>.
  • <u>Real scale</u> implies the <em>exact size</em> of a given <u>object</u>.

<u>Scale</u> can be expressed as;

Scale = \frac{length on drawing}{original length}

Thus a <em>scale</em> has no unit.

Therefore, the given question <em>implies</em> that every 1 unit on the <u>drawing</u> is equal to 100 units on the <u>original</u> park. Thus it is a <em>reduced scale</em>.

For more clarifications on a scale drawing, visit: brainly.com/question/23209981

#SPJ1

6 0
1 year ago
Please help Simplify.<br> X/7x+x^2
KiRa [710]

Answer:

Can you maybe elaborate the question with the help of brackets I guess ...?

It is difficult to understand the question this way .

8 0
2 years ago
I only need help with number twenty seven! I always have had trouble with word problems
svetlana [45]
<h3>Answer:</h3>
  • multiple choice: 2 points
  • short response: 4 points
<h3>Step-by-step explanation:</h3>

I often find the difficult part of "this situation" questions to be determining exactly what "situation" is of interest.

You have to read ahead to the last part of the question to determine that the point values of the questions are unknown, and you are supposed to find them based on the given numbers of right questions and total scores.

You know from your experience with tests and scoring that the total score is the sum of the scores for each question type; and that each question type is scored based on the number of right answers and the point value of each.

(a) If we let m and s represent the point values of multple-choice and short-response questions, respectively, then the table and problem wording tell us ...

... 23m +10s = 86 . . . . . your score

... 28m +5s = 76 . . . . . . your friend's score

This is your system of linear equations.

(b) The equations can be solved numerous ways. One way is to subtract the first equation from 2 times the second equation. This will eliminate the variable s.

... 2(28m +5s) -(23m +10s) = 2(76) -(86)

... 33m = 66 . . . . . simplify

... 66/33 = m = 2 . . . . divide by 33

Now, we can substitute this value into the first equation to find s.

... 23·2 +10s = 86

... 10s = 40 . . . . . . . . . subtract 46

... 40/10 = s = 4 . . . . . divide by 10

Multiple-choice questions are worth 2 points; short-response questions are worth 4 points.

3 0
3 years ago
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