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3 years ago

X2 - 2x Factorise this pleasee

Mathematics

2 answers:

STatiana [176]3 years ago

8 0

Answer:

x(x-2)

Step-by-step explanation:

the common multiple here is the x, notice how it appears in both both terms. thus, we can factor it out of the equation going from x²-2x to x(x-2)

Scilla [17]3 years ago

8 0

x(x-2)

Im assuming you meant x² - 2x but correct me if i'm wrong!

so x is common in both terms so you can take it out and factorise it.

Hope this helps!

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Please answer quickly for me

Tasya [4]

Answer:

f(x)⁻¹ = x³ + 2

Step-by-step explanation:

Find the inverse of f(x) = ∛(x - 2).

The first step is to let f(x) = y

y = ∛(x - 2)

Then make x the subject of the formula

y³ = [∛(x - 2)]³

y³ = x - 2

x = y³ + 2

∴ f(x)⁻¹ = y³ + 2

Replacing y with x we have.

f(x)⁻¹ = x³ + 2

6 0

3 years ago

Given an actual demand of 59, a previous forecast of 64, and an alpha of .3, what would the forecast for the next period be usin

marshall27 [118]

Answer:

62.5

Step-by-step explanation:

Data provided in the question:

Actual demand = 59

Previous forecast = 64

Alpha = 0.3

Now,

The forecast for the next period be using simple exponential smoothing will be given as

= [ Alpha × Actual demand ] + [ (1 - Alpha) × Previous forecast ]

= 0.3 × 59 + [ ( 1 - 0.3 ) × 64 ]

= 17.7 + 44.8

= 62.5

4 0

3 years ago

Rena spent 6 days reading her book completing the same fraction of the book each day if she had a total of 8/9 of her book after

Artyom0805 [142]

Answer:

The fraction of the book that Rena read every day is $\frac{4}{27}$

Step-by-step explanation:

Rena spent 6 days reading her book completing the same fraction of the book every day and you want to know the fraction of the book she read each day. Knowing that Rena had a total of 8/9 of her book read after 6 days, then you simply divide the total amount of the book read during those days by 6, the number of days:

$\frac{8}{9}$ ÷6

To divide a fraction by a whole number, you must convert the whole number into a fraction, finding the reciprocal of that fraction, and multiply it by the first fraction. That is, you must find the reciprocal of the number that is after the division symbol; and then you multiply the first number (the one before the division symbol) by the reciprocal of the second number (the one after the division symbol). Remember that to find the reciprocal of a number, you simply have to change the numerator and denominator of the number.

Since 6 can be considered to be a fraction equal to $\frac{6}{1}$ , by inverting the number, then you get $\frac{1}{6}$