Answer:
8
Step-by-step explanation:
Given:
13 - 0.75w + 8x
where,
w = 12
x = 1/2
13 - 0.75w + 8x
Substitute the value of w and x into the equation
= 13 - 0.75(12) + 8(1/2)
= 13 - 9 + 8/2
= 13 - 9 + 4
= 8
Therefore,
13 - 0.75w + 8x = 8
12 gallons is needed for a 500 mile trip.
Answer:
(3,-8)
Step-by-step explanation:
Answer: b = 4f
Step-by-step explanation:
Since every flashlight needs 4 batteries, every flashlight added (f) will be 4 more batteries needed total (b). With this information in mind, we can write the equation:
b = 4f
Answer:
Step-by-step explanation:
Given:
Δ DBC is a right angled triangle.
BC = 4
We need to find the value of CD
Solution:
Now we know that:
So we can say that;
Substituting the given values we get;
Rounding to nearest tenth we get;
Hence the Value of CD is 7.8.
