8 - 15 means subtract the positive number 15 from 8.
8 - 15 = 8 + (-15) = -7
8 - (-15) means subtract the negative number -15 from 8.
Subtracting a negative number is the same as adding a positive number.
8 - (-15) = 8 + 15 = 23
8 - 15 = -7, and 8 - (-15) = 23. The expressions mean different operations and have different answers.
Answer:
scale factor is 2.5
Step-by-step explanation:
Notice that the original image is smaller than the scale drawing. Examine the ratios of the sizes:
Image/ Original :
height: 3.75 in / 1.5 in = 2.5
length: 5 in / 2 in = 2.5
The scale factor is clearly 2.5
Answer:
70
Step-by-step explanation:
what you do is you multiply 100x140 then divide that by 200
140 ?
------- -------
200 100
Answer:
42, C i think
Explanation:
Answer
Picture? what is the following
Step-by-step explanation:
