Answer:
D. 9.5
Step-by-step explanation:
x is the altitude of the right triangle.
Thus, we would apply the right triangle altitude theorem, which is:
h = √(ab)
Where,
h = x
a = 7
b = 13
Plug in the values
x = √(7*13)
x = √91
x = 9.5 units (nearest tenth)
Answer:
1.C is correct answer and 2.C and 3.B is correct answer.
1. Since it's m - 7 you would have 7 to both sides so you would in fact have m < 13. If you double check your answer, you see that if m is say 12 (because 12 is obviously less than 13), 12 - 7 < 6
2. Again, use the same process on this problem as the first one. Add 8 to each sides because it's you're subtracting 8 from n. So you end up with n > 13. Check your answer. Say n is 14. 14 - 8 > 5
3. This one is different because you are adding 5 to p. So in order to get p by itself, you need to subtract 5 from both sides. p < 5. Say p is 4, 4 + 5 < 10.
When working with problems like these, you need to isolate the variable on one side and get it by itself.
Answer:
-80x²
Step-by-step explanation:
When you expand the binomial, you should get:
To find the 4th term, you must put the expression in standard form (which it is already) and find the 4th by counting left to right. Once you do so you should see your answer as -80x².
The line passes through points (0,0) and (7,4)
Gradient = (y2-y1)/(x2-x1) = (4-0)/(7-0) = 4/7