-2x3= -6. Adding a negative number is just like subtracting it :)
Answer:

Step-by-step explanation:
Given that,
...(1)
We need to find the value of x.
We know that,
sin30 = 1/2
Use it in equation (1).

So, the value of x is equal to
.
Answer:187.5 inches.
Step-by-step explanation:
25 / 2 = x / 15
25 = 2x / 15
15(25) = 2x
375 = 2x
187.5 = x
The actual car is 187.5 inches.
Answer:
73 m is equal to 730 dm
Step-by-step explanation:
We Need to convert 73 m into dm
We know that 1 meter is equal to 10 decimeter
We are given 73 m. Multiply it with 10 and we will get value in decimeter
73*10
= 730 decimeter
So, 73 m is equal to 730 dm
Answer:
Width = 4.8 inches
Step-by-step explanation:
The perimeter of a rectangle is given by the formula:

Where
P is perimeter
l is length
w is width
Given length = 3.6 and perimeter = 16.8, we plug them in into the formula and figure out the width, w. Process shown below:

Hence, the width is 4.8 inches