2 years ago

Sarah was thinking of a number. Sarah doubles it and gets an answer of 4.5. What was the original number?

Mathematics

2 answers:

Nutka1998 [239]2 years ago

7 0

Answer:

2.25

Step-by-step explanation:

Just half 4.5 and you should get 2.25 which is quite easy to be honest

vodka [1.7K]2 years ago

6 0

Answer:

2.25

Step-by-step explanation:

4/5/2=2/25

You might be interested in

A local electronics store raised its prices on headphones by 20%. The headphones that Stan wants to buy now cost $36. How much d

atroni [7]

You would do 36$ -20% =28.8

4 0

2 years ago

Which of the equations below is not a Linear Equation?

Gnesinka [82]

The answer is part B

7 0

2 years ago

What is the solution set for z+10=z-2

photoshop1234 [79]

Answer: No Solution.

There are no values of z that make the equation true.

Step-by-step explanation:

5 0

2 years ago

The cost of a video game can be modeled by the question C=5x-2. The number of games sold can be modeled by the equation N=8x+5.

insens350 [35]

5x - 2 = 8x + 5.
-2 = -5x + 8x + 5
-2 = 3x +5
-7 = 3x

-7/3 = -2.3

4 0

2 years ago

2. Evaluate each expression:<br> a.-1.2.3 -<br> b.-1. (-2) 3<br> C. -1 • (-2).(-3)

rodikova [14]

Answer:

a. -6

b. +6

c. -6

Step-by-step explanation:

minus times plus times plus = -

minus times minus times plus = +

minus times minus times minus = -

1 times 2 times 3 = 6

so:

-1 times 2 times 3 = -6

-1 times -2 times 3 = +6

-1 times -2 times -3 = -6

3 0

1 year ago