So percents are just written as 20% = 0.2 so keep that in mind
139 divided by 0.2 is 95 , which would be the price after the discount :)
hope this helps!
give me brainliest
Answer:
(-7, -10)
Step-by-step explanation:
Substitute x for -7.
Multiply 4 by -7.
Add 28 on both sides.
Divide -4 on both sides.
<span>2n^2 - 7n - 3 = 0
a = 2
b = -7
c =-3
Then use the Quadratic formula:
x = [-b +-sqroot(b^2 -4*a*c)] / 2*a
</span>
Mean is were you add up all of the numbers and how many numbers are there thats how much you divide by and median is were you line up the numbers from least to greatest then try to find the middle number <span />
Answer:
the diameter is 1
Step-by-step explanation:
Since C = pi*d, solving for d would give 1
