Hello : the system is :
<span> y= -2x+4 ...(1)
y= x² +4x+13....(2)
x²+4x+13 = -2x+4
x²+6x+9=0
(x+3)² =0
x+3=0
x= -3
subsct in (1) : y=-2(-3)+4 =10</span>
Answer:
D) 3 X 10⁷
Step-by-step explanation:
<u>Estimated days:</u>
- Jan 2000 to June 2001 = 1.5 years = 365*1.5 days ≈ 548 days
- 1 day = 24 hours = 24*60 minutes = 24*60*60 seconds =
- 548 days = 548 * 86400 seconds =
Best estimate is D) 3 X 10⁷
Answer:
The awnser is eleven hope this helps a bit
1. intersection is all the numbers both sets have in common
so 3, ,7 , 13
2. union is all the numbers from both sets so 1, 5, 8, 12, 17
As a fraction, the answer is 7/17
In decimal form that converts to approximately 0.41176 which is 41.176%
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Explanation:
We have 14 boys out of 14+20 = 34 students total
Divide the number of boys over the number of total students. Reduce the fraction as much as possible.
14/34 = (7*2)/(17*2) = 7/17
We can stop here if all your teacher wants is the fractional answer
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If you want the decimal form, you would use long division or a calculator to get this approximate result
7/17 = 0.41176
moving the decimal point over 2 spots to the right converts to percent form
0.41176 ---> 41.176%
