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serious [3.7K]
3 years ago
14

Which number is equivalent to 1/9?

Mathematics
1 answer:
atroni [7]3 years ago
3 0
5/45, 6/54, 7/63
Any 2 numbers that you divide and have the ratio 1:9
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: Cho tam giác ABC vuông tại C, trong đó AC = 0,9m, BC = 1,2m. Tính các tỉ số lượng giác của góc B, từ đó suy ra các tỉ số lượng
Xelga [282]

Answer:

Step-by-step explanation:

Vì tam giác ABC vuông tại C nên ta áp dụng định lí pitago=> AB²=AC²+BC²=0.9²+1.5²=3.06=>AB= (3 căn bậc hai của 34)/10

sin B=AC/AB=(3 căn bậc hai của 34)/34

cos B=BC/AB

tan B= AC/BC

cot B= BC/AC

Tương tự suy ra tỉ số lượng giác góc A

5 0
3 years ago
Answer quickly please
BigorU [14]

Answer:

C

Step-by-step explanation:

5 0
3 years ago
home / study / math / algebra / questions and answers / fill in the blank with the appropriate... Question: Fill in the blank wi
Nezavi [6.7K]
What are u asking? your writing too much
6 0
3 years ago
What is the adult to child ratio of 8:5 if 390 attend how many are children
AVprozaik [17]
1. 8+5=13

2. 13 x 3 x 10 = 13 x 30 = 390

Using the information above transform the ratio 8:5.

8 x 30 : 5 x 30

If you do this, you'll end up with the ratio:

240 : 150

This means that 240 adults attended whilst 150 children attended.
6 0
3 years ago
What is 5.17490 rounded to the nearest thousandth
Annette [7]
<span>5.17490 rounded to the nearest thousandth is 5.175</span>
3 0
3 years ago
Read 2 more answers
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