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Keith_Richards [23]
3 years ago
12

Building a is 190 feet shorter than building

Mathematics
1 answer:
erik [133]3 years ago
8 0
1490/2 = 745
a = 745-190/2 = 650
b = 745+190/2 = 840
b-a = 190, 840-650 = 190
a+b = 1490, 650+840 = 1490
I hope thhis will help, also check it your self in case if I made any mistake.
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Pleasee helpp, thank you!!
DaniilM [7]

Answer:

- 1/4

Step-by-step explanation:

i HOPE it helps!!!:)))

6 0
3 years ago
A sequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an =
Licemer1 [7]
I think you mean a_n= \frac{a_{n-1}}{a_{n-2}}
basically that measn yo divide that term by the previous term
ok

a3=a1/a2=1/2
a4=a3/a2=(1/2)/2=1/4
a5=a4/a3=(1/4)/(1/2)=1/2
a6=a5/a4=(1/2)/(1/4)=2
a7=a6/a5=2/(1/2)=4
a8=a7/a6=4/2=2
a9=a8/a7=2/4=1/2
a10=a9/a8=(1/2)/2=1/4
ok, so notice a pattern
a3=a9
a4=a10
I therefor conclude that a_n=a_{n+6w} where w is a whole number
and n>2ok, so
241=6*39+7
so therefor
a_{241}=a_{7+6(39)}
therefor the 241th term is same as a7 or 4

I say a241 is 4
7 0
4 years ago
Read 2 more answers
Tìm căn bậc hai của số phức z=1+i√3
Anni [7]

Write <em>z</em> in polar form:

<em>z</em> = 1 + √3 <em>i</em> = 2 exp(<em>i</em> <em>π</em>/3)

Taking the square root gives two possible complex numbers,

√<em>z</em> = √2 exp(<em>i</em> (<em>π</em>/3 + 2<em>kπ</em>)/2)

with <em>k</em> = 0 and <em>k</em> = 1, so that

√<em>z</em> = √2 exp(<em>i</em> <em>π</em>/6) = √(3/2) + √(1/2) <em>i</em>

and

√<em>z</em> = √2 exp(<em>i</em> 7<em>π</em>/6) = -√(3/2) - √(1/2) <em>i</em>

5 0
3 years ago
If Logan's family can drive 23 1/8 miles on 1 gallon of gas,how far can they drive on 17 gallons
guapka [62]

\bf \begin{array}{ccll} miles&\stackrel{gas}{gallons}\\ \cline{1-2}\\ 23\frac{1}{8}&1\\\\ x&17 \end{array}\implies \cfrac{23\frac{1}{8}}{x}=\cfrac{1}{17}\implies \cfrac{\frac{23\cdot 8+1}{8}}{x}=\cfrac{1}{17}\implies \cfrac{\frac{185}{8}}{x}=\cfrac{1}{17} \\\\\\ \cfrac{\frac{185}{8}}{\frac{x}{1}}=\cfrac{1}{17}\implies \cfrac{185}{8}\cdot \cfrac{1}{x}=\cfrac{1}{17}\implies \cfrac{185}{8x}=\cfrac{1}{17} \\\\\\ 3145=8x\implies \cfrac{3145}{8}=x\implies 393\frac{1}{8}=x

4 0
3 years ago
3). AFTER PAYING HER BILLS CAROL HAS -$45 IN HER CHECKING
bazaltina [42]
-45 + 150 = 105

Carol has $105 in her account after receiving her paycheck.
8 0
3 years ago
Read 2 more answers
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