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sergejj [24]
3 years ago
11

Plz help ill give you brainlist

Mathematics
2 answers:
SCORPION-xisa [38]3 years ago
6 0
This expression can not be factored with
koban [17]3 years ago
5 0
I believe your answer is -5 Because if you subtract 3 from both sides it would be 15a=-3 since you factored out the +3, then you would divide 15 by -3 which gives you -5.
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14 and 15, please :p explanation would also be appreciated!!
liraira [26]
14. B (4, -2)
15. I am not exactly sure about this one but I would say either A or B.
8 0
3 years ago
Find 15/22 *2/15 round appropriately
frez [133]
1/11 is your answer

Hope this helps :)
7 0
3 years ago
Read 2 more answers
The summation symbol, is the Greek capital symbol and it is used like the English S. Why do you think it was chosen to represent
Ann [662]

Answer:

During the early days of mathematical expressions the Greeks needed a shorthand form of representing the summation of several terms hence the choice of ∑ as a sigma Notation.

Step-by-step explanation:

The summation symbol ∑ is the upper case equivalent of capital S in Greek and S represents sum in English.

During the early days of mathematical expressions the Greeks needed a shorthand form of representing the summation of several terms hence the choice of ∑ as a sigma Notation.

7 0
3 years ago
The expression (y-20)(y5)3 is equivalent to ya. What is the value of a?
Leno4ka [110]

Answer:

y¹⁵-20y¹⁴

Step-by-step explanation:

I'm going to assume that your problem looks like this

(y-20)(y^5)^3

(x^n)^y=x^{n*y}

which means we have

(y-20)*y^{15}\\\\y^{16}-20y^{15}=ya\\\\*y^{15}-20y^{14}=a

5 0
3 years ago
Roots of the quadratic equation 0=2x^2+12x-14
cluponka [151]

Answer:

x=-7,1

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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