Answer:
x = -14
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Number of year for Initial investment to be double is 16 year 8 months
<u>Given that;</u>
Initial investment = $5,200
Interest rate = 6.5%
<u>Find:</u>
Number of year for Initial investment to be double
<u>Computation:</u>
Using simple interest formula
A = p + I
So,
2p = p + I
I = P
I = 5,200
So,
I = PRT
5,200 = (5,200)(6%)(T)
5,200 = (5,200)(0.06)(T)
5,200 = (312)(T)
T = 16.667 year
T = 16 year 8 months (Approx.)
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brainly.com/question/17883315?referrer=searchResults
Answer:Yes, Petra has made a mistake
Step-by-step explanation:
Comparing Petra's given equation
(x−15)²+(y+4)²=100 to the general equation of a circle
(x-a)²+(y-b)² = r²
Where center is (a,b) and radius is r
Comparing both equation to know if Petra is correct
-a = -15 i.e a = 15
-b = 4 i.e b = -4
r² = 100
r = √100
r = 10
Based on the comparison, the center is (15,-4) and the radius is 10units which shows that Petra's value of the center of the circle is incorrect.
Therefore, Petra has made a mistake while calculating the center of the circle.
Answer:
32 percent
Step-by-step explanation:
32 plus 68 =100
32 divided by 100 equals .32 or 32 percent
3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8