MATHEMATICS HIGH SCHOOL

Write the expression in simplest form. Assume that all variables are positive.

Answers

Answer 1
Answer: 2x+5+3x-2
Answer is: 5x+3

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Plz help me I will give brainlest!!!

Answers

You he answer is 3/5

Halp pleaseee? list all possible rational roots for the equation 3x^4-5x^2+25=0 thanks :))

Answers

x= +[5/6(1+i√11)] 
and
x= +[5/6(1-i√11)]
write 3 four times and multiple them together. Then, write out 5 two times and multiple it together. Whatever those two answers are, subtract them

If f(x) = 4x − 6 and g(x) = 6x − 4, what is f · g?

Answers

Answer:

f · g = 24x² - 52x + 24

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Algebra I

  • Terms/Coefficients
  • Expand by FOIL
  • Functions
  • Function Notation

Step-by-step explanation:

Step 1: Define

Identify

f(x) = 4x - 6

g(x) = 6x - 4

Step 2: Find f · g

  1. Substitute in function values:                                                                          f · g = (4x  - 6)(6x - 4)
  2. Expand [FOIL]:                                                                                                  f · g = 24x² - 16x - 36x + 24
  3. [Subtraction] Combine like terms:                                                                   f · g = 24x² - 52x + 24

Which set of polar coordinates describes the same location as the rectangular coordinates (0, -2)

Answers

Polar coordinates identifie the points of the plane by a distance from the reference point and an angle from a reference direction.

In this case the distance of (0,-2) from the origin is 2 and the anglefrom the x-axis is 180°. So the polar coordinates are (2, 180°)

 

(-2, 90 degrees) on apex

Which expression is equivalent to (8-3i)-(2-91)?Ο Α. 18-6i
OB. 11 +78
O C. 6-12i
O D. 6+6i

Answers

Answer:

the correct answer is option B.

Step-by-step explanation:

First, we need to combine the terms inside the parentheses.

This gives us (8-3i)-(2-9i), or (8-3i)-(-2+9i).

We can then use the additive inverse property to simplify this to (8-3i)+2+9i, which is equal to (11+6i). Therefore, the correct answer is option B.

If y varies directly as x, and y is 6 when x is 72, which is the value of y when x is 8 ?

Answers

(y)/(x) = k

(6)/(72) = k

(1)/(12) = k

********************************

(y)/(x) = k

(y)/(8) = (1)/(12)

   12y = 8

      y = (8)/(12)

      y = (2)/(3)

y = (2)/(3)

given y ∝ x

To convert to an equation multiply by k the constant of variation

y = kx

to find k use the given condition y = 6 when x = 72

y = kx ⇒ k = (y)/(x) = (6)/(72) = (1)/(12)

equation is → y = (1)/(12) x

when x = 8 then

y = (1)/(12) × 8 = (8)/(12) = (2)/(3)
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