Answer:
56
Step-by-step explanation:
Think of it this way, 7 times 10 is 70.
7*8 is 2 less 7s, or 14 less.
70-14=56
Or, a simpler way:
7*7 is 49(perfect square)
One more seven than that is 56.
These are just two ways I quikcly remember, because for some reason I struggle with 7 and 8 mulitplication.
Hope this helps!
The correct value of ''n'' in this equation will be -9
- Step-by-step explanation:
In order to find the value of ''n'' in this equation of the first degree, just <u>isolate ''</u><u>n</u><u>''</u>, and divide the right side into the left side of the equation:
So we can conclude that the value of ''n'' in this equation will be -9
Answer:
-3/2
Step-by-step explanation:
See attached image
Answer:
Step-by-step explanation:
3n + 5d = 20.25
24n + 40d = 162
8n + 8d = 38
-24n - 24d = -114
24n + 40d = 162
-24n - 24d = -114
—————————
16d = 48
d = 3
A drive costs $3
3n + 5(3) = 20.25
n = 1.76
A notebook costs $1.75
Answer:
It is asking you to solve for x.
Step-by-step explanation:
You can find the hypotenuse of the triangle using the Pythagorean Thereom.
hope this clarifies the problem!
A² + B² = C²
