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RUDIKE [14]
3 years ago
8

Word phase of algebra expression

Mathematics
2 answers:
Law Incorporation [45]3 years ago
8 0
By three times the number variable
umka21 [38]3 years ago
4 0
In order to write algebraic expressions<span> and equations, assign a variable to represent the unknown number. In the table below, the letter “x” is used to represent the unknown.

</span>Like,

Operation: Addition ( + ) 
Key word/phrase: plus, more than, the sum of, the total of, increased by, and added to.
Example: A number plus three, Ten more than a number, The sum of a number and five, The total of six and some number, A number increased by two, Eleven added to a number. 
Translation: x + 3, x + 4, x + 10, x + 5, x + 2, 6 + x, x + 11 and so on.

Subtraction ( − ) minus A number minus seven X – 7 less than Four less than a number X – 4 the difference of The difference of a number and three X – 3 less Nine less a number 9 – X decreased by A number decreased by twelve X – 12 subtracted from Six subtracted from a number 

Multiplication ( x ) times Eight times a number 8x the product of The product of fourteen and a number 14x twice; double Twice a number; double a number 2x multiplied by A number multiplied by negative six −6x of Three fourths of a number \frac{3}{4} x

Division ( ÷ ) the quotient of The quotient of a number and seven divided by Ten divided by a number the ratio of The ratio of a number to fifteen \frac{x}{7} ,  \frac{10}{x} ,  \frac{x}{15}

Powers ( x^n ) the square of; squared The square of a number; a number squared x^2 the cube of; cubed The cube of a number; a number cubed x^3

Equals ( = ) equals Seven less than a number equals ten. x − 7 = 10 is Three times a number is negative six. 3x = −6 is the same as Eight is the same as twice a number. 8 = 2x yields Twelve added to a number yields five. x + 12 = 5 amounts to Nine less a number amounts to twenty. 9 – x = 20 

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A coat cost $ 131.61 with 9.5% sales tax
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1 year ago
Jasmine created this spinner to predict whether a randomly selected student in her school will be traveling during the upcoming
777dan777 [17]

Answer:

The number of students Jasmine surveyed indicated they would be traveling during the holiday break is 9.

Step-by-step explanation:

The spinner created by Jasmine, to predict whether a randomly selected student in her school will be traveling during the upcoming holiday break, has 8 equal sections labeled:

{yes, yes, no, no, no, no, no, no}

So, there are two sections labeled yes and six labelled as no.

Compute the probability of a yes as follows:

P(\text{yes})=\frac{2}{8}=0.25

Jasmine selected <em>n</em> = 36 students in her gym class.

If a student in her school will be traveling during the upcoming holiday break is independent of the other students.

Let the random variable <em>X</em> be defined as the number f students that will be traveling during the upcoming holiday break.

The random variable <em>X</em> follows a Binomial distribution with parameters <em>n</em> = 36 and <em>p</em> = 0.25.

Compute the expected value of <em>X</em> as follows:

E(X)=np\\=36\times 0.25\\=9

Thus, the number of students Jasmine surveyed indicated they would be traveling during the holiday break is 9.

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3 years ago
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<h2>Hope it is helpfully.</h2><h3>Have a nice day.</h3>

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