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Zigmanuir [339]
3 years ago
5

¿Alguien sabe donde puedo descargar estos libros?

Mathematics
1 answer:
iren [92.7K]3 years ago
7 0
<span>También el sitio web de su escuela</span>
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What is the complimentary angle of 72 degrees
Irina18 [472]

Answer: 18°

Step-by-step explanation:

Complementary angles are any two angles whose sum is 90 degrees. Hence, if angles x and y are complimentary, we can say

x + y = 90°

Therefore, the complimentary angle of 72° is obtained by subtracting 72° from 90°

i.e 90° - 72° = 18°

Thus, the complimentary angle of 72° is 18°

4 0
3 years ago
Read 2 more answers
Find the value of each variable
mylen [45]

Answer:

20. 4n+5+8n-5=180(linear pair)

12n=180

n=15

21. 9x-6=8.5x+2(can be seen from image)

9x-8.5x=2+6

0.5x=8

x=8/0.5

x=80/5

x=16

22. 4z+3z+6=90°(Complementary)

7z+6=90°

7z=84°

z=12°

3 0
3 years ago
Read 2 more answers
How do you do this ? Please step by step explanation due tom
inna [77]

Answer: C im pretty sure

Step-by-step explanation:

Use this link it explains it pretty well

https://www.calculatorsoup.com/calculators/math/mixednumbers.php

Just copy and paste the link

6 0
3 years ago
If 30%of an amount is 730. What will be 70% of that amount
polet [3.4K]

Answer:

the answer is 511 I think

Step-by-step explanation:

percentage * your amount / 100

(70 * 730) / 100

Amount = 511

5 0
2 years ago
The fraction: 340 | 3/4
Effectus [21]

Answer:

It's A I hope that helps

Step-by-step explanation:

8 0
3 years ago
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