Ask question

Ask question

All categories

3 years ago

7

8(d+2)=4d-12 HelpPP ME QUICK

1 answer:

Molodets [167]3 years ago

6 0

Answer:

D = -7

Step-by-step explanation:

You might be interested in

6383 to the nearest hundred<br>

olasank [31]

Answer:

6400

Step-by-step explanation:

its 6400 to the nearest hundred

3 0

3 years ago

Read 2 more answers

The product of this number and 10 is equal to the square of this number

Rama09 [41]

Answer:

___ x 10 = ____^2

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

A word processing program requires a user to enter a 7-digit registration code made up of the digits 1,2,4,5,6,7 and 9. Each num

ahrayia [7]

For the first digit there are 7 choices. For the second digit there are 6 choices (because we can't use the same one again). And so on, until there is only one choice for the last digit.

The number of possible codes is this:
7*6*5*4*3*2*1 = 7! = 5040

6 0

3 years ago

Prove algebraically that n^2-2-(n-2)^2 is always even

Juliette [100K]

Answer:

It is even because it is equal to 2(2n-3) so you can divide it by two and get (2n-3)

Step-by-step explanation:

${n}^{2} - 2 - ( {n}^{2} + 4 - 4n) = \\ {n}^{2} - 2 - {n}^{2} - 4 + 4n = \\ 4n - 6 = 2(2n - 3)$

6 0

3 years ago

Read 2 more answers

What is the relationship between the value of the 7 in the circle and the value of the 7 in the square in the number above???

Gnesinka [82]

Answer:

Step-by-step explanation:

It represents 7.

3 0

3 years ago