3 years ago

The difference of twice a number and five is three. Find the num

Mathematics

1 answer:

Grace [21]3 years ago

7 0

Answer:

add 5 then multiply by 1/2

Step-by-step explanation:

Twice a number is 2n.

The difference of twice a number and five 2n - 5.

The difference of twice a number and five is three. 2n - 5 = 3

2n - 5 = 3

2n - 5 + 5 = 3 + 5 (1) add 5

2n = 8

1/2*2n = 1/2*8 (2) multiply by 1/2

n = 4

You might be interested in

Will give Brainliest if you get it right

fenix001 [56]

Answer:

10.63

Step-by-step explanation:

The distance between two points is sqrt((difference between y-values)^2 + (difference between x-values)^2) -->

sqrt(8^2 + 7^2) =

sqrt(64 + 49) =

sqrt( 113) =

10.630145 -->

10.63

5 0

3 years ago

Bob will rent a car for the weekend. He can choose one of two plans. The first plan has an Initial fee of $60 and costs an addit

shepuryov [24]

Answer:

Step-by-step explanation:

+55+%2B+.5x+=+.7x+

+.2x+=+55+

+x+=+275+

3 0

3 years ago

Elliot earned $49 last month walking his neighbors dog. He earns $7 each time he walks the dog. How many times did Elliot walk h

Alekssandra [29.7K]

Answer:

7 times

Step-by-step explanation:

$49/$7 each time = 7 times

6 0

3 years ago

Reflectiion across y=x

faltersainse [42]

9514 1404 393

Answer:

see attached

Step-by-step explanation:

The reflection across y=-x swaps the coordinates and negates both of them. The first-quadrant figure becomes a third-quadrant figure.

(x, y) ⇒ (-y, -x)

7 0

3 years ago

Which comparison is not correct?<br> 06>5<br> 0-7>-9<br> 0-3<4<br> O 4 <-12

Zinaida [17]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers