21 divided by 2 is 10.5 and if you add 4 to it, it gives you 14.5. there you go
A) Let x stand for time, y stand for velocity.
We are given the points (2,50), (6, 54). We can make a line using the slope intercept form
y = mx + b.
slope is (54 - 50)/(6-2) = 4/4 = 1
y = 1x + b
plug in point (2,50) to find b
50 = 1(2) + b
50-2 = b
48 = b
the equation is y = 1x + 48
Make standard form.
<span>x - y = -48
</span><span>b) make a table and plot points for the first 7 hours
Table Is attached.
Good Luck!
If you like the answer please give me brainliest answer!
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Answer:
6 = 8 + 9n
Step-by-step explanation:
Based on the problem, you can also do this:
8 + 9n = 6
I am joyous to assist you anytime.
Answer:
The answer to your question is: 4x²y³
Step-by-step explanation:
Simplify ∛(-64x⁶y⁹)
First, find the prime factors of 64
64 2
32 2
16 2
8 2
4 2
2 2
1 then 64 = 2⁶
∛ (-2⁶x⁶y⁹)
Roots can be expressed as fractional powers where the numerator is the power of the number inside the root and the denominator is the root.
Ex. -2 ⁶/³ x⁶/³ y⁹/³
Now simplify
(-2)² x² y ³
Finally
4x²y³
To solve the system of equations, we first need to isolate one of the variables in one of the equations. For this example, I'll isolate x from the second equation, because it will be much easier and I'll end up with simpler fractions.
2x + y = -3 Given
2x = -y - 3 Subtract y from both sides
x = -1/2y - 3/2
Now, we need to substitute x in the other equation for -1/2y - 3/2 so that we can find y.
3(-1/2y - 3/2) - 7y = 4 Substitute
-3/2y - 9/2 - 7y = 4 Multiply
-17/2y - 9/2 = 4 Collect like terms (wow, this is turning out to be a tough one, isn't it?)
-17/2y = 17/2
y = -1
Wow, such complicated work for such a simple answer. Anyway, now we can plug that into our answer for x to get x's value.
<span>x = -1/2y - 3/2 Given
</span>x = -1/2(-1) - 3/2 Substitute
x = 1/2 - 3/2 Multiply
x = -1 Subtract
Therefore, the solution for the system of equations is (-1,-1). It can be a bit intimidating with all the fractions, but the question decided to be nice and give us simple answers.
Hope this helps!