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Kruka [31]
3 years ago
5

Help plz................

Mathematics
1 answer:
Pani-rosa [81]3 years ago
7 0
You have the formula. Put in the numbers and solve for r.

The interest earned in 4 years on 5000 is (6500 -5000) = 1500.
.. I = Prt
.. 1500 = 5000*r*4
.. 1500/20000 = r = .075 = 7.5% . . . . . . matches selection B
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masha68 [24]

Answer:

21+12i i hope this will help you

Step-by-step explanation:

(3-4i)(1+5i)-(2-i)

=[3(1+5i)-4i(1+5i)]-(2-i)

=[3+15i-4i-20i²]-(2-i)

=(3+11i-20i²)-(2-i)

opening brackeys

=3+11i-20i²-2+i

=3+11i+1i-20i²-2

as we know that i²=-1

=3-20(-1)-2+12i

=3+20-2+12i

=21+12i

8 0
3 years ago
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lina2011 [118]

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7 0
3 years ago
If Landon checks his pulse for 12 minutes, what is his rate if he counts 1560 beats?
Lynna [10]

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Step-by-step explanation:

Just divide 1560 by 12.

7 0
3 years ago
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