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HACTEHA [7]
3 years ago
7

How many nanometers in 66cm

Mathematics
1 answer:
makvit [3.9K]3 years ago
4 0
66cm is equal to 6.6e+8 nanometers.
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How do I work this out?
zvonat [6]

We have to determine the value of \sum _{m=9} ^{21} (5m+6)

= (5(9)+6) + (5(10)+6) +(5(11)+6) + .......... + (5(21)+6)

= 51+56+61+66+ ........ + 111

Since, the common difference is 5, hence this series is in arithmetic progression.

Sum of AP is given by the formula:

\frac{n}{2}[2a+(n-1)d]

Since, there are 13 terms.

= \frac{13}{2}[2(51)+(13-1)5]

= \frac{13}{2}[102+60]

= \frac{13}{2}[162]

= 13 \times 81

= 1053

Therefore, the sum of the series is 1053.

So, Option G is the correct answer.

8 0
2 years ago
I need help with this ASAP! It's due today!
xenn [34]

Answer:

Secants – 1. <CBG 2. <AGF 3. <ABD

Tangent – 1. <CDE

Chords – 1. <BD 2. <DF 3. <BG 4. <BF 5. <GD 6. <FG

Angles – 1. 45 2. 75 3. 35 4. 70 5. 75 6. 55 7. 50 8. 25 9. 35 10. 70 11. 50 12. 25 13. 70 14. 50. 15. 60 16. 85 17. 95 18. 85 19. 95

Step-by-step explanation:

3 0
3 years ago
What is the y-intercept of the line y=4x-3?
Kobotan [32]
(0,-3) because that’s what it is
3 0
2 years ago
Using a crankshaft, a carpenter drills a 1 cm radius hole through a ball of wood along a diameter. If the radius of the ball is
PtichkaEL [24]

Answer:263.89cm cubed

Step-by-step explanation:

Volume of A Sphere: 4/3 pi radius cubed

4cubed= 64

64 times pi=201.061

201.061 multiply 4/3= 268.08

1cubed= 1

1 times pi=3.14

3.14 times 4/3= 4.19

268.08-4.19= 263.89cm cubed

7 0
2 years ago
Georgei Gulyás receives $850 per month from Social Security and his wife, Diana, receives 55 percent of the amount Georgei does.
AVprozaik [17]

Answer: $682.50

Step-by-step explanation:

Take $850 and multiply by 55% it'll give you $467.50 add $850 and $467.50 then minus that from 2,000

3 0
3 years ago
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