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adell [148]
3 years ago
5

Two different examples of variables

Mathematics
1 answer:
denis23 [38]3 years ago
4 0
Independent variables, which can be controlled or manipulated; dependent variables, which (we hope) are affected by our changes to the independent variables
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What is the<br> product of 2/3<br> and 4/5?
Paul [167]
Well, product means multiply so we need to multiply these fractions.

2        4      
--- x ---  =  
3       5

now, when you are multipliying fractions you multiply the top and the bottom with the other one.
so 2 times 4 and 3 times 5 
and you get
8
--
15

since this fraction can not be simplifyed this is the final answer 8/15
8 0
4 years ago
Read 2 more answers
Two consecutive even numbers are such that five times the smaller number , subtracted from eight times the bigger gives 58. Find
olga55 [171]

Answer:

14\text{ and }16

Step-by-step explanation:

Let the smaller number be x. Since they are consecutive even numbers, the larger number can be represented by x+2.

Therefore, we have the following equation:

8(x+2)-5x=58,\\8x+16-5x=58,\\3x=42,\\x=\boxed{14}

Thus, the larger number is x+2=\boxed{16}

6 0
3 years ago
I really need help with this question. I have attached two screenshots, the first is the question and the second one is the opti
Sliva [168]

Using proportions, it is found that the coordinates of point B are given as follows:

A. (1.6, 0).

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

Point B is 3/4 of the way from AB to AC, hence:

B - A = \frac{3}{4}(C - A)

The points are:

  • A(-2,-3).
  • B(x,y).
  • C(3,1).


Then, to find the x-coordinate:

x + 2 = \frac{3}{4}(3 + 2)

x + 2 = 3.6.

x = 1.6.

For the y-coordinate:

y + 3 = \frac{3}{4}(1 + 3)

y + 3 = 3

y = 0.

Hence option A is correct.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

5 0
2 years ago
Solve:
Advocard [28]
First we look at the equation an determine our common denominator.

(X²-X-6) / X² = (X-6) / 2X + (2X+12) / X    (let's use 2X² as the comm denom)

multiply the first fraction by 2, the second by X, and the third by 2x

(2x²-2x-12) / 2x² = (x²-6x) / 2x² + (4x²+24x) / 2x²  (dropping the denominator)

2x² - 2x - 12 = x² - 6x + 4x² + 24x      (simplify)

-3x² - 20x - 12  (multiply by -1)
3x² + 20x + 12
(x + 6) (3x + 2)    (factored version)
3 0
3 years ago
Read 2 more answers
What is the product in simplest form? State any restrictions on the variable. Please show your work.
mote1985 [20]
You have the following expressions given in the problem above:

 (y^2/y-3)(y^2-y-6/y^2+y)
 
 By applying the exponents properties, you can simplify it, as it shown below:

 (y^2/y-3)(y^2-y-6/y^2+y)
 (y^4-y^3-6y^2)/(y^3+y^2-3y2-3y)
 (y^4-y^3-6y^2)/(y^3-2y2-3y)

 Then, you have:
 y^2(y^2-y-6)/y(y^2-2y-3)
 (y^2-y-6)/(y^2-2y-3)

 The answer is: (y^2-y-6)/(y^2-2y-3)

 


 
5 0
3 years ago
Read 2 more answers
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