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aniked [119]
3 years ago
12

I thought of a number, added 4 5 /7 to it, and got the number 12 times as big as my original number. What was my number?

Mathematics
1 answer:
valentina_108 [34]3 years ago
6 0

Answer:

Step-by-step explanation:

cwdoufxhvxoyfydosvcdf/oucasipx

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Which system of linear inequalities is represented by the graph?
MrRa [10]

Im not good in math and this is my first question, my best guess is D

I will investigate tommorow this problem a little bit more... <3

5 0
3 years ago
Read 2 more answers
1. The sum of the three consecutive members of the geometric sequence is 13. The proportion of the third and the first member is
aev [14]
If a = first term and r = common ratio we have

a + ar + ar^2 = 13   and ar^2 / a = r^2 = 9

so r = 3

and a + 3a + 9a = 13 
so a = 1

so they are  1,3 and 9 

2.
in geometric series we have

4 , 4r ,4r^2 , 60

Arithmetic;
 4,  4r , 4r + d ,  4r + 2d

so we have the system of equations
4r + 2d = 60
4r^2 = 4r + d
From first equation
2r + d = 30 
so d = 30 - 2r 
Substitute for d in second equation:-
4r^2 - 4r - (30-2r) = 0
4r^2 - 2r - 30 =0

2r^2 - r - 15 = 0
(r - 3)(2r + 5) = 0
r  = 3 or -2.5
r must be positive so its = 3
and d = 30 - 2(3) = 24

and the numbers are 4*3 =  12 , 4*3^2 = 36

first 3  are  4 , 12 and 36  ( in geometric)
and last 3 are 12, 36 and 60  ( in arithmetic)

The 2 numbers we ause are 12 and 36.





7 0
3 years ago
Guys can you please to this thank
hram777 [196]
= 16 + 49 - 3(11)  - 4(10)
= 16 + 49 - 33 - 40
= -8
7 0
3 years ago
Hitch equation is y=6x^2+12x-10 rewritten in vertex form?
kirill [66]
D)y=6(x+1)²-16= 6(x²+2x+1)-16= 6x²+12x+6-16= 6x²+12x-10

<span>answer: D</span>
4 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST
julia-pushkina [17]

Answer:

4th answer aka the last one

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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