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:
250
Step-by-step explanation:
10 times as much as 25 equals:
10 * 25<em> </em>= ?
10 * 25 = 250
You just have to look for keywords and turn it into a [math] problem.
I hope this helps!
<h2><u>
PLEASE MARK BRAINLIEST!</u></h2>
Answer:
Below.
Step-by-step explanation:
7(x + 2) = 91
Distribute the 7 over the parentheses:
7x + 14 = 91
Subtract 14 from both sides of the equation:
7x = 91 - 14
7x = 77
x = 77/7 = 11.
Answer:
On Sunday they traveled=1/7 of the total distance
Step-by-step explanation:
Total distance to be traveled=x
On Saturday they covered=(5/7)x
Remaining distance=x-(5/7)x=(2/7)x
Sunday=1/2 of the remaining distance=(1/2)×(2/7)x=(1/7)x
On Sunday they traveled=1/7 of the total distance(x)
Answer: 15
Step-by-step explanation: solamente lo tienes que medir
