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3 years ago

Factorise x^2-6 need help for my hegarty maths

Mathematics

1 answer:

Ganezh [65]3 years ago

5 0

you can't factorize it in rational numbers

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Please help<br> Picture inserted <br> Multiple choice <br> Will appreciate it if u help!

Ksenya-84 [330]

Answer: B) Linear; it can be written as y = -3x-6

We subtract 6 from both sides to go from the original equation to -3x-6 = y

Then we flip both sides to end up with y = -3x-6

This is in slope intercept form y = mx+b with m = -3 as the slope and b = -6 as the y intercept.

4 0

3 years ago

What is the oppiste of 9

julia-pushkina [17]

Answer:

6 probably lol

9=6

6=9

hehehe

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3 years ago

A line cook is paid at the end of each workday. His daily earnings include $74 plus X percent of the Restaurants total tip at th

Katen [24]

Hi idk but I’ll ask

6 0

3 years ago

The ratio of the geometric mean and arithmetic mean of two numbers is 3:5, find the ratio of the smaller number to the larger nu

IgorC [24]

Answer:

$\frac{1}{9}$

Step-by-step explanation:

Let the numbers be x,y, where x>y

The geometric mean is

$\sqrt{xy}$

The Arithmetic mean is

$\frac{x + y}{2}$

The ratio of the geometric mean and arithmetic mean of two numbers is 3:5.

$\frac{ \sqrt{xy} }{ \frac{x + y}{2} } = \frac{3}{5}$

We can write the equation;

$\sqrt{xy} = 3$

$xy = 9 - - - (2)$

and

$\frac{x + y}{2} = 5$

$x + y = 10 - - - (2)$

Make y the subject in equation 2

$y = 10 - x - - - (3)$

Put equation 3 in 1

$x(10 - x) = 9$

$10x - {x}^{2} = 9$

${x}^{2} - 10x + 9 = 0$

$(x - 9)(x - 1) = 0$

$x =1 \: or \: 9$

When x=1, y=10-1=9

When x=9, y=10-9=1

Therefore x=9, and y=1

The ratio of the smaller number to the larger number is

$\frac{1}{9}$

3 0

3 years ago

6^7/6^5 in index form<br>help me

brilliants [131]

Answer:

12^12

Step-by-step explanation:

can u please help me

7 0

3 years ago