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dangina [55]
2 years ago
15

I need to simplify √(5+2√2) and √(6+2√5)

Mathematics
1 answer:
SIZIF [17.4K]2 years ago
6 0
This expression is easier than it looks like. I thought that to solve it you have for example to express the 2 via 10 * 5^-1 and stuff like that - but you can multiply and divide this expression by some factor. In our case first we multiply by conjunctive expression root(5-2root2) and the second by root(6+2root5). In first we get root16 and the second calculate.
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What is 1/3 of 30% of 5/6 of 0.6 of 12?
aliina [53]

Step-by-step explanation:

\frac{1}{3 } \times  \frac{30}{1}  = 10 \\  \\  \frac{10}{1}  \times  \frac{5}{6}  = 8.33 \\  \\  \frac{833}{100}  \times  \frac{6}{10}  = 4.998 \\  \\  \frac{4998}{1000}  \times  \frac{12}{1}  = 59.976

8 0
2 years ago
Does 1/8 ÷ 5 equal 1/4 true or false?​
Llana [10]
True I think cause it’s divided by 5
6 0
3 years ago
What is the slope of a line passing through (5, 9) and (7, 15)?
LenaWriter [7]
Slope = change in y / change in x
 
          = (15 - 9) / (7 - 5)
 
          =   6 / 2
    
          = 3   

6 0
3 years ago
Factor completely, 0.2x + 0.8 a. x b. 0.8(x + 1) c. 0.2(x + 1) d. 0.2(x + 4)
Zepler [3.9K]

Answer:

d. 0.2 ( x + 4 )

Step-by-step explanation:

0.2x + 0.8

Both 0.2x and 0.8 have a common factor of 0.2, hence pull 0.2 out.

0.2x + 0.8

0.2 ( x + 4 )

5 0
3 years ago
Ross and Annie do chores at their home acreage. Ross mows the acreage lawn every 12 days, and Annie bathes the dog every 21 days
velikii [3]
84 days will pay before they both do their chores again on the same day.
<span> <span> </span><span><span> Ross mows the lawn <span>      Annie bathes the dog </span>
</span> <span> 12 x 1 = 12                          21 x 1 =  21
</span> <span> 12 x 2 = 24                          21 x 2 =  42
</span> <span> 12 x 3 = 36                          21 x 3 =  63
</span> <span> 12 x 4 = 48                          21 x 4 =  84
</span> <span> 12 x 5 = 60                          21 x 5 = 105
</span> <span> 12 x 6 = 72                          21 x 6 = 126
</span> <span> 12 x 7 = 84                          21 x 7 = 147
</span> <span> 12 x 8 = 96                          21 x 8 = 168
</span> <span> 12 x 9  = 108                       21 x 9 = 189
</span> <span> 12 x 10 = 120                      21 x 10 = 210 </span></span></span>
7 0
3 years ago
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