Question

aqui va una pregunta de matematicas Twice the difference of k and -18 Esta en ingles pero pues supongo que saben ingles, por favor ayudenme

Answer 1

Respuesta:

What is an example of an expression with one or more variables?

How do you write expressions with one or more variables?

How do you evaluate expressions when you have more than one variables?

How do you evaluate the expression

3

a

+

2

b

for

a

=

1

and

b

=

−

2

?

How do you find the area of a triangle whose base is 2 inches and height is 4.5 inches?

How do you find the volume of a sphere whose radius is 2?

How do you evaluate the expression

2

(

x

−

y

)

for

x

=

1

and

y

=

−

2

?

How do you evaluate

x

2

+

2

x

−

1

when

x

=

2

?

What is the value of

3

x

+

8

y

x

−

2

y

if

x

2

y

=

2

?

Explicación paso a paso: