MATHEMATICS HIGH SCHOOL

Which answer is the solution set in simplest form?4x-1/3=7/1
a 4/3
b 7/3
c 3/2
d 11/2

Answers

Answer 1
Answer: In this question there is 1 equation with 1 unknown variable. So it is absolutely possible to find the value of the unknown variable "x".
(4x - 1)/3 = 7/1
4x -1 = 7 * 3
4x - 1 = 21
4x = 21 + 1
4x = 22
x = 22/4
  = 11/2
So the value of the unknown variable x is 11/2. So the correct option is option "d". Hope i have answered your question correctly and helped you to understand the method by which these problems should be done.

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The length of a side of an equilateral triangle is 40 centimeters.What is the length of the altitude of the triangle?

Answers

Answer:

34.64 cm

Step-by-step explanation:

sin 60 = (x)/(40)

sin 60 (40) = x

34.64 = x

equilateral triangles have 60° angles.

sin Ф = (opposite)/(hypotenuse)

hypotenuse is 40. All sides are 40.

x = opposite or height of triangle.

Identify the center and radius for the equation x ^ 2 + (y - 3) ^ 2 = 4

Answers

Answer:

r = 2.  The center is at (0, 3).

Step-by-step explanation:

Compare the given   x ^ 2 + (y - 3) ^ 2 = 4 to the standard equation

                                 (x - h)^2 + (y - k)^2 = r^2.

It becomes obvious that h = 0, k = 3 and r = 2.  The center is at (0, 3).

Which of the following is a polynomial with roots negative square root of 5, square root of 5, and 3?x3 − 2x2 − 3x + 6
x3 + 2x2 − 3x − 6
x3 − 3x2 − 5x + 15
x3 + 3x2 − 5x − 15

Answers

The polynomial with those roots would be: 

y = (x + √5)(x - √5)(x - 3) 
▬▬▬▬▬▬▬▬▬▬▬ multiply this out to get 
y = (x² - 5)(x - 3) 

y = x³ - 3x² - 5x +15

Answer:

The correct answer is the first one

Step-by-step explanation:

x3 − 2x2 − 3x +

Use the quadratic equation and you will get a polynomial with roots negative square root of 5, square root of 5, and 3

Hat does the transformation f(x)↦f(x+6) do to the graph of f(x)?

Answers

Answer:

It will translate all the points of the graph to the left, or up! Depends on the function.

Which equation is equivalent to y-6=-12(x+4)A. y=-6x-48
B. y=6x-48
C. y=-12x-42
D. y=-12x-54

Answers

mmmm i think its C but I'm not sure, I'm sorry if the answer was wrong :)

How do you work out 3/5 of 65?

Answers

Answer:

39

Step-by-step explanation:

work out 3/5 of 65

The of simply indicate multiplication .

Therefore,

3/5 × 65

multiply the numerators and divide by the multiplication value of the denominators

(65 × 3)/5

195/5

195 divided by 5

39
(3/5) * 65
3*(65/5)
3*13 
39
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