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3 years ago

What is the gcf of 18a and 20ab

Mathematics

2 answers:

oksian1 [2.3K]3 years ago

7 0

Answer:

Step-by-step explanation:

the biggest number they can both divide by is 2.

ohaa [14]3 years ago

4 0

Answer:

It is 2a

Step-by-step explanation:

Ok the greatest common factor is the number and/or term common to a seri3s of values so you separate them

the GCF of 18 and 20 is 2

and you also have a and ab

now, what is common to them both

so you would get the gcf as 2a so it would be written as 2a(9+10b)

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3 years ago

The sum of two numbers is 0. Twice the smaller number subtracted from 3 times the larger number is 10. Let x represent the large

Bezzdna [24]

Answer:

x+y=0 and 3x-2y=10

Step-by-step explanation

Let the numbers be x and y.

The sum of the two numbers is 0

$\implies \: x + y =0$

Letting the smaller number be y and the

larger number be x:

twice the smaller number

$\implies \: 2y$

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$\implies \: 3x$

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$\implies \: 3x - 2y = 10$

Therefore the equations are

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6 0

3 years ago

Solve for x. x^2−3x−70=0 x^2 is x to the second power

timurjin [86]

X² − 3x − 70=0
x² + 7x - 10x − 70=0
x(x+7) - 10(x+7) = 0
(x+7)(x-10) = 0

x + 7 = 0 or x - 10 = 0
x = -7 x = 10

Answer: x=-7, x=10

3 0

3 years ago

Read 2 more answers