All categories

3 years ago

Explain which method to use in 4x^2-27=0

Mathematics

2 answers:

alukav5142 [94]3 years ago

4 0

Answer:

4x^2 = 27
x^2= 27/4
x= +/- sqrt(27/4)
x=+/- 3*sqrt(3)/(2)

Galina-37 [17]3 years ago

3 0

So if we have 4x^2 - 27 = 0 then by using the square root properties we get:

4x^2 = 27
x^2= 27/4
x= +/- sqrt(27/4)
x=+/- 3*sqrt(3)/(2)

hope this helps! any questions please just ask! Thank you!!

You might be interested in

Complete the following <br> a) 3/5 = ?/20<br><br> b) ?/6 = 25=30

vlada-n [284]

Answer:

a) 3/5=12/20

b)5/6=25/30

8 0

3 years ago

ozzi

The answer is A. 6 and 10

3 0

2 years ago

Given the function LaTeX: f\left(x\right)=-5x^2-x+20f ( x ) = − 5 x 2 − x + 20, find LaTeX: f\left(2\right)f ( 2 ). Group of ans

BartSMP [9]

The value of f(2) is -2 ⇒ 1st answer

Step-by-step explanation:

The form of the quadratic function is;

f(x) = ax² + bx + c, where

a is the coefficient of x²
b is the coefficient of x
c is the numerical term
x is the domain of the function and f(x) is the range of the function

∵ f(x) = -5x² - x + 20

- f(2) means value f(x) at x = 2

∵ x = 2

- Substitute x in the function by 2 to find f(2)

∵ f(2) = -5(2)² - (2) + 20

∴ f(2) = -5(4) - 2 + 20

∴ f(2) = -20 - 2 + 20

∴ f(2) = -2

The value of f(2) is -2

Learn more:

You can learn more about the function in brainly.com/question/12363217

#LearnwithBrainly

6 0

2 years ago

Solve the inequality. m/-5 < or = 4

Inessa05 [86]

Answer:

M < or = -20

Step-by-step explanation:

Brainlist please

4 0

3 years ago

Harold makes and sells wooden clocks. His profit depends on what price he charges for a clock.

love history [14]

Answer: Harold must not charge more than X=30 per clock

Step-by-step explanation:

Based on Harold's profit equation, charging more than X=30 means Harold will have a profit of zero or a negative profit. therefore the price of a clock should range between 9 and 30

8 0

3 years ago