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nexus9112 [7]
3 years ago
13

What is three fourths the square of a number in an algebraic expression?

Mathematics
2 answers:
Effectus [21]3 years ago
5 0
The square of a number -> a²

three fourts the square = 3/4 *a ²=  3a²/4
Lemur [1.5K]3 years ago
4 0

Answer:

The algebraic expression is \frac{3}{4}x^2

Explanation:

An expression which contains constants, variables and algebraic operators is called an algebraic expression.

For example, 10x + y +2 is an algebraic expression.

In writing algebraic expression from a statement we use some keywords. For example the keyword combined represents addition, ratio represents division, e.t.c.

Further Explanation:

Here, we have to translate the given statement "three fourths the square of a number" to an algebraic expression.

Let the number is x.

Three fourths can be written as \frac{3}{4}

Square of the number x can be written as  x^2

The keyword 'of' means multiplication.

Thus, the algebraic expression for the statement "three fourths the square of a number" can be written as \frac{3}{4}x^2

Learn More:

brainly.com/question/12762448 (Answered by Calculista)

brainly.com/question/20988 (Answered by Taskmasters)

Keywords:

Algebraic expressions, Translating statement to Algebraic expressions.

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Solve for x: |3x + 12| = 18
Alla [95]

Answer:

X = 2 or X = -10

Step-by-step explanation:

We know either3x+12=18or3x+12=−18

3x+12=18(Possibility 1)

3x+12−12=18−12(Subtract 12 from both sides)

3x=6

3x

3

=

6

3

(Divide both sides by 3)

x=2

3x+12=−18(Possibility 2)

3x+12−12=−18−12(Subtract 12 from both sides)

3x=−30

3x

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=

−30

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(Divide both sides by 3)

x=−10

Answer:

x=2 or x=−10

4 0
2 years ago
Select the correct answer.
Naddik [55]
You use the FOIL method, and how you do this is -

(x - 7) (x + 8)

Multiply the first x by both numbers in the second factor. Which means, you multiply x by x and 8, the two in (x + 8).

With this, you get -
x^2 + 8x

Then do the same thing with -7.

-7x - 56

Then combine the two.
x^2 + 8x - 7x - 56

Combine like terms.

x^2 + x - 56

So now, 7 x 8 is 56
And -7 + 8 would be 1. And that is the value of “x” which is b in the form a^2x + bx + c.

Now with this, you take those two numbers and make the factors =
(x + 8) (x - 7)

Then you set these equal to 0.

x + 8 = 0

Subtract the 8 from both sides.

x = -8

————

x - 7 = 0

Add the 7 on both sides.

x = 7

Answer: A
8 0
3 years ago
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Sasha can mow of an acre of grass in 45 minutes. How many acres of grass does Sasha mow per hour?
AleksAgata [21]

Answer:

45 minutes =34 hour. → Sasha mows 48=12 of an acre in 44=1 hour.

Step-by-step explanation:

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2 years ago
What is the volume of a sphere with a radius of 12 inches? Use 3.14 for x.
likoan [24]

the volume of a sphere with a radius of 12 inches is 602.88

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Sara works for 40 hours a week. She attends meetings for 0.28 of the time she is working. How much time does Sara spend at meeti
Roman55 [17]

Answer:

11.2 hours or 11 hours 12 minutes

Step-by-step explanation:

In this question, we are to calculate the amount of time spent by Sara in attending meetings weekly.

In the question, we are made to understand that she attends a meeting at a rate of 0.28 multiplied by the total amount of time she works.

To get the time she attends the meeting, we only need to multiply the decimal by the number of hours she works

Mathematically that would be 0.28 * 40 = 11.2 hours per week

We might take it further to get the time in the format of hours and minutes. That would be 0.2 * 60 yo convert the hours to minutes. This gives 12 minutes .

She attends meeting 11 hours 12 minutes per week

6 0
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