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Rama09 [41]
3 years ago
7

Factorise fully the expression 2d^2-7d

Mathematics
2 answers:
guajiro [1.7K]3 years ago
8 0

Answer:

d(2d-7)

Step-by-step explanation:

2d^2 -7d

take common

=d(2d-7)

DerKrebs [107]3 years ago
8 0
<h2><u> </u><u>Answer</u> :</h2>

\large \boxed{ \rightarrow d(2d - 7)}

<h2><u>Solution</u> :</h2>

\rightarrow2d {}^{2}  - 7d

\rightarrow d(2d - 7)

\mathfrak{hope \:it \: helps \: you.....}

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Answer:

put the answers in order and then the middle number is the mean

Step-by-step explanation:

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2 years ago
How many variables are in 4x3 + 2y + 6?
Marta_Voda [28]

Answer:

There are two different variables. X and Y.

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3 years ago
The domain of startfraction f over g endfraction f g consists of numbers x for which g left parenthesis x right parenthesisg(x)
Misha Larkins [42]

The domain of f/g consists of numbers x for which g(x) cannot equal 0 that are in the domains of both f and g.

 

Let’s take this equation as an example:

If f(x) = 3x - 5 and g(x) = square root of x-5, what is the domain of (f/g)x. 


For x to be in the domain of (f/g)(x), it must be in the domain of f and in the domain of g since (f/g)(x) = f(x)/g(x). We also need to ensure that g(x) is not zero since f(x) is divided by g(x). Therefore, there are 3 conditions.

 

x must be in the domain of f: f(x) = 3x -5 are in the domain of x and all real numbers x.

x must be in the domain of g: g(x) = √(x - 5) so x - 5 ≥ 0 so x ≥ 5.

g(x) can not be 0: g(x) = √(x - 5) and √(x - 5) = 0 gives x = 5 so x ≠ 5.

 

Hence to x x ≥ 5 and x ≠ 5 so the domain of (f/g)(x) is all x satisfying x > 5.

 

Thus, satisfying <span>satisfy all three conditions, x x ≥ 5 and x ≠ 5 so the domain of (f/g)(x) is all x satisfying x > 5.</span>

5 0
3 years ago
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Vanyuwa [196]

Answer:

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4 0
3 years ago
anu borrows 12,500 as 12% per annum for 3 years at simple interest find the simple interest she has to pay at the end of 3 years
marishachu [46]

Answer:

The interest is 4,500

Step-by-step explanation:

We use the simple interest formula,

I = Prt

where

I = interest

P = principal amount = 12,500

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t = time = 3 years

I = Prt

I = 12,500 × 0.12 × 3

I = 4,500

3 0
2 years ago
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