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prohojiy [21]
3 years ago
14

t%7B2%7D%20%2B%20%20%5Csqrt%7B3%7D%20%20%7D%20%20%2B%20...%20%2B%20%20%5Cfrac%7B1%7D%7B%20%5Csqrt%7Bn%20%2B%201%7D%20%20%2B%20%20%5Csqrt%7Bn%7D%20%7D%20%20%20%5Cleqslant%2020" id="TexFormula1" title=" \frac{1}{ \sqrt{2} + 1 } + \frac{1}{ \sqrt{2} + \sqrt{3} } + ... + \frac{1}{ \sqrt{n + 1} + \sqrt{n} } \leqslant 20" alt=" \frac{1}{ \sqrt{2} + 1 } + \frac{1}{ \sqrt{2} + \sqrt{3} } + ... + \frac{1}{ \sqrt{n + 1} + \sqrt{n} } \leqslant 20" align="absmiddle" class="latex-formula">
help....................​
Mathematics
1 answer:
statuscvo [17]3 years ago
8 0

Answer:

all i see is ..........

Step-by-step explanation:

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Respuesta de (-0.5)²
Vladimir79 [104]

Answer:

0.25

Step-by-step explanation:

we have

(-0.5)^2

we know that

-0.5=-\frac{1}{2}

substitute

(-\frac{1}{2})^2=(-\frac{1}{2})(-\frac{1}{2})

Remember that

(-1)(-1)=1\\(-1)(1)=(-1)

so

(-\frac{1}{2})(-\frac{1}{2})=\frac{1}{4}=0.25

5 0
3 years ago
Determine the domain and range of the graph below.
Leni [432]

Answer:

Last one

Step-by-step explanation:

3 0
3 years ago
What is the surface area of the figure?
likoan [24]
We can split it up into a net
actually, here is a hack

notice that indented side?
we can take the plane and push it so it makes 4 sides, neat

ok, so we now just have 4 normal sides and 2 L shapes

L shape can be cut into 2 rectangles
5 by 5 and 5 by 10 so total of 75 is the L
2 L's so
2*75=150

the sides
4 of them
they all are 10 by 3
10*3*4=120

toatl is 150+120=270

answer is A

3 0
3 years ago
Read 2 more answers
a serving of ice cream contains 1,200 calories. One hundred forty four calories come from fat. What percent of the total calorie
Gre4nikov [31]
12% come from fat, 144/1200*100= 12%
6 0
3 years ago
Read 2 more answers
7 times as much as the sum of 1/3 and 4/5
musickatia [10]
1/3+4/5= 17/15
The commun multipleof 3 and 5 is 15.
1/3×5= 5/15
4/5×3= 12/15
5/12+12/15= 17/12

17/12×7= 119/84

119/84

Hope this helps! :)

\(^ ◇^)/
6 0
4 years ago
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