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OleMash [197]
3 years ago
5

Help mei need help with this​

Mathematics
1 answer:
weeeeeb [17]3 years ago
5 0
16. 96 is 75% of 128
18. 200%
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Find the products in simplest form.<br> 8 5 -<br> 21 16<br> 22.15 =
allsm [11]

Answers :

0.85= 85/100 -because of the two numbers on the right hand side. Then (divide by 5) 85/5, 100/5= 17/20

2116/100- divide by 4 for 2116/100. 2116/4, 100/4= 529/25

22.15= 22 15/100 = 22 divide by 5 for 15/100. 22 3/20. Multiplied 22*20=440

Then add 440 with the numerator. 440+3=433/20

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3 years ago
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Shtirlitz [24]
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4 years ago
Can someone help me, please
shepuryov [24]

Answer:

yes... 13.3

Step-by-step explanation:

4 0
4 years ago
У = 3х – 7<br> у = 3х + 1
Aleks [24]
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3 years ago
Prove identity: tanx-1/tanx+1= 1-cotx/1+cotx
Marina CMI [18]
<span>to answer the question above, take the LHS. 
[(tan x - 1) / (tan x + 1)] = 

Remember that tan x = 1 / cot x. 
{[(1 / cot x) - 1] / [(1 / cot x) + 1]} = 

The LCD is cot x. Multiply as needed to get the common denominator for all terms. 
{[(1 / cot x) - 1(cot x / cot x)] / [(1 / cot x) + 1(cot x / cot x)]} = 
{[(1 / cot x) - (cot x / cot x)] / [(1 / cot x) + (cot x / cot x)]} = 

Then Simplify. 
[(1 - cot x) / cot x] / [(1 + cot x) / cot x] = 


Remember that (a / b) / (c / d) = (a / b) * (d / c). 
[(1 - cot x) / cot x] * [cot x / (1 + cot x)] = 
[(1 - cot x) / (1 + cot x )] = 
RHS</span>
The answer is
 <span>[(tan x - 1) / (tan x + 1)] = [(1 - cot x) / (1 + cot x )] </span>
5 0
3 years ago
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