Answer:
C = 20
Step-by-step explanation:
What happens if simultaneous Equations have two of the same variable like below? How would I solve it?
6A + 4B + 5C = 390
6A + 4B + 5.75C = 405
Step 1
We solve for C first
6A + 4B + 5C = 390....Equation 1
6A + 4B + 5.75C = 405... Equation 2
We substract Equation 1 from Equation 2
0.75C = 15
C = 15/0.75
C = 20
I believe that the answer is D) all real numbers.
Answer:
Step-by-step explanation:
Question 19:
Answer: C. 1.25 miles
So far, of the 12.5 miles is 1.25 miles. Let's see why!
Very simple all we need to is divide by 10 because our fraction is . So our equation is going to look something like this:
12.5 ÷ 10 = 1.25
Therefore, our answer is, C. 1.25 miles.
Phew! I don't think I would want to run 1.25 miles let alone 12.5! That's what I call dedication!
Question 20:
Answer: A. 8 bags
For this question all we need to do is divide 6.24 by 0.78 pounds of trail mix. This is to see how many bags Leon had purchased.
6.24 ÷ 0.78 = 8
Therefore our answer is 8 bags.
TIPS!!!
If you ever have questions like 19 always look for what the denominator is and divide by that.
If you ever have a question like 20 divide by the total amount of product purchased and than how much that cost was for whatever measurement it may be. (or weight)
Answer:
A. 4.5 ft
B. 4 ft
C. 1 ft
Step-by-step explanation:
If you pretend that h is replacing y and d is replacing x and you would graph the equation, then you would get a parabola that opens down.
You would need to find the vertex of the parabola. The ordered pairs would be (d, h) instead of the normal (x, y).
A. The maximum height will be the h value of the vertex
B. Let h = 0 and solve the equation for d. That will give you distance from the stump that the frog landed.
C. The distance from the log at the maximum height is the d value of the vertex
So, that is what is needed to be done.
Without me going thru all the work, the vertex is (1, 4.5) and the solutions to the equation when h = 0 are 4, -2 (discard -2 since a distance cannot be negative)
So the answer to A is 4.5 ft.
The answer to B is 4ft.
The answer to C is 1 ft.
Now, can you find the vertex on your own and can you solve the equation when h = 0? I hope so. OK?
Answer: 52.5 yards
Explanation:
Perimeter = 16.25 + 16.25 + 10 + 10 = 52.5 yards