3 years ago

If a =1 + r + 7r and b = 1 -r ,find an expression that equals A+ 3B in standard form. Answer:

Mathematics

1 answer:

Trava [24]3 years ago

7 0

Answer:

A+3B=4+5r

Step-by-step explanation:

Given that,

A = 1+r+7r

B = 1-r

We need to find an expression that is equal to A+3B.

Putting the values of A and B in A+3B, we get :

A+3B = 1+r+7r + 3(1-r)

=1+8r+3-3r

=(1+3) +(8r-3r)

=4+5r

Hence, the values of A+3B equals 4+5r.

You might be interested in

what's wrong? In an American Optometric Association survey 1009 adults were randomly selected and asked to identify what they wo

Aleks [24]

The problem with the question is that 51% of 1009 adults could not have said that their biggest fear was losing vision. The issue with 51% of 1009 is that you wont be left with a whole number, but a decimal instead. You cant have a decimal of a person.

7 0

3 years ago

Read 2 more answers

What is the equation of the following line? (-3,9) (0,0)

elena55 [62]

Answer:

$y=-3x$