4 years ago

What is 4x squares minus 81

Mathematics

1 answer:

mafiozo [28]4 years ago

3 0

4 times 1 equals 4 then do 81 minus 4 which equals 77 so 77 is your answer

You might be interested in

Please help<br> A) y< 2x+4<br> B) y< 1/2x+3<br> C)y> 1/2x+3<br> D) y> 2x+3

lesya692 [45]

Answer:

Step-by-step explanation:

if it is shaded under than it is <

the slope is 1/2x so that is the answer

4 0

3 years ago

Select each expression that is equivalent to 3(n+6).

kiruha [24]

Answer:

n=-6

Step-by-step explanation:

Equate the equation to zero

3(n+6)=0

Open the bracket

3n+18=0

Substrate 18 from both sides

3n=-18

Divide both sides by 3

n=-6

Therefore the solution to the equation is -6

6 0

3 years ago

Read 2 more answers

Brandy solved 1/6÷5 by using a related multiplication expression. What multiplication expression did she use?

tekilochka [14]

Answer:

THE ANSWER IS 30

Step-by-step explanation:

We can solve this problem by multiplication expressions. See below.

1/6 ÷5 $= \frac{1}{6} * \frac{1}{5} = \frac{1}{30} =$ 30

8 0

3 years ago

The radius of a circle is 9cm what is the length of its diameter?

Kobotan [32]

The answer would be 18cm

4 0

4 years ago

Read 2 more answers

Simplify the radicals in the given expression; 8^(3)\sqrt(a^(4)b^(3)c^(2))-14b^(3)\sqrt(ac^(2))

Stolb23 [73]

Answer: 8ab^3 sqrt ac^2 - 14ab^3 sqrt ac^2 which then simplified equals 6ab^3 sqrt ac^2 or option C.

3 0

3 years ago

Read 2 more answers