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2 years ago

1+1=?

Mathematics

2 answers:

poizon [28]2 years ago

8 0

Hmm after great consideration

$\sqrt ln(e^{16} ) \div 2$

miv72 [106K]2 years ago

4 0

Answer:

Step-by-step explanation:

one plus another one is 11

0+1+0+1 = 11

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You have $83 in your bank account each week you plan to deposit eight dollars from your allowance and $15 from your paycheck the

docker41 [41]

We know that you have 83$ in your bank account.

Okay so what is 15+8=23 So that means you get 23$ per week.

Now what is 83+23=106
106+23=129
129+23=152
152+23=175
Now that was four 23's

That means it would take 4 weeks for you to have 175 dollars in your bank account.
Hope this helped.

7 0

3 years ago

Given the sequence 1/2 ; 4 ; 1/4 ; 7 ; 1/8 ; 10;.. calculate the sum of 50 terms

miv72 [106K]

Hint :-

Break the given sequence into two parts .
Notice the terms at gap of one term beginning from the first term .They are like $\dfrac{1}{2},\dfrac{1}{4},\dfrac{1}{8}$ . Next term is obtained by multiplying half to the previous term .
Notice the terms beginning from 2nd term , $4,7,10,13$ . Next term is obtained by adding 3 to the previous term .

Solution :- 

We need to find out the sum of 50 terms of the given sequence . After splitting the given sequence ,

$\implies S_1 = \dfrac{1}{2},\dfrac{1}{4},\dfrac{1}{8}$ .

We can see that this is in Geometric Progression where 1/2 is the common ratio . Calculating the sum of 25 terms , we have ,

$\implies S_1 = a\dfrac{1-r^n}{1-r} \\\\\implies S_1 = \dfrac{1}{2}\left[ \dfrac{1-\bigg(\dfrac{1}{2}\bigg)^{25}}{1-\dfrac{1}{2}}\right]$

Notice the term $\dfrac{1}{2^{25}}$ will be too small , so we can neglect it and take its approximation as 0 .

$\implies S_1\approx \cancel{ \dfrac{1}{2} } \left[ \dfrac{1-0}{\cancel{\dfrac{1}{2} }}\right]$

$\\\implies \boxed{ S_1 \approx 1 }$

$\rule{200}2$

Now the second sequence is in Arithmetic Progression , with common difference = 3 .

$\implies S_2=\dfrac{n}{2}[2a + (n-1)d]$

Substitute ,

$\implies S_2=\dfrac{25}{2}[2(4) + (25-1)3] =\boxed{ 908}$

Hence sum = 908 + 1 = 909

7 0

3 years ago

How many lines of symmetry does a regular heptagon have?

AfilCa [17]

it has 7 symmetry regular lines

5 0

3 years ago

Read 2 more answers

I need someone to answer this for me please.?

Blizzard [7]

Use the Pythagorean Theorem
RP^2 = 5.3^2 + 3^2
RP^2 = 28.09 + 9
RP^2 = 37.09
RP = 6.0901559914 
So, the answer is 6.1

4 0

3 years ago

Find the value of 4x-6 when x=3 and y=-2

Bas_tet [7]

Answer:
6

Step by step explanation:

4(3)-6
Multiply
4 x 3
Now subtract the numbers
12-6
The solution is 6

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8 0

2 years ago