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Akimi4 [234]
3 years ago
11

After 3 years, Remington earned $390 in simple interest from a CD into which he initially deposited $4000. What was the annual i

nterest rate of the CD?
Mathematics
2 answers:
bazaltina [42]3 years ago
4 0

Answer:

3.25%

Step-by-step explanation:

apex

olganol [36]3 years ago
3 0
R=I/pt
R=(390÷(4,000×3))×100
R=3.25%
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Find the point on the plane 2x+5y+z=8 that is nearest to​ (2,0,1).
Svetach [21]

Answer:

(2.2, 0.5, 1.1)

Step-by-step explanation:

The parametric equation of the line normal to the plane and through point (2, 0, 1) can be written ...

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We want to find the value of t (and the corresponding point) that makes L satisfy the equation of the plane.

... 2(2+2t) +5(0 +5t) +1(1+t) = 8 . . . . . put values from L in for x, y, z in plane

... 5 + 30t = 8 . . . . . simplify

... t = (8 -5)/30 = 0.1 . . . . solve for t (subtract 5, divide by 30)

For this value of t, L is ...

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5 0
3 years ago
What is the greatest common factor of 54,30,78?  pleaseeeeee help lol 
Contact [7]
Greatest\ common\ factor\ is\ the\ highest\ number\ by\ witch\ 54\ and\ 30\\and\ 78\ can\ be\ divided\\\\
54:2\\
27:3\\9:3\\3:3\\\\
30:2\\
15:3\\
5:5\\\\78:2\\39:3\\13:13
\\\\GCF=2*3=6\\\\Greatest\ common\ factor\ of\ 54\ and\ 30\ and\ 78\ is\ equal\ to\ 6.

5 0
2 years ago
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