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sammy [17]
3 years ago
5

FREE BRAINLY!!! if you answer correctly ill give you brainly :) (40pts total)

Mathematics
2 answers:
tiny-mole [99]3 years ago
6 0

c=0

Option 4 is correct

Hope it helps you

Mark me as brainliest

Cloud [144]3 years ago
5 0

Answer:

c=0

Step-by-step explanation:

option 4,  5(2c-3)=3(3c-5)==== c=0

Hope this helps! :D

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Solve the system <br> x+3y=1 ; -5x+4y=-5
Dmitry_Shevchenko [17]

Answer:

x=1

y=0

Step-by-step explanation:

x+3y = 1        equation 1

-5x+4y = -5   equation 2

using equation 1 we have:

x+3y = 1  

x= 1-3y   equation 3

using equation 3 in equation 2 we have:

-5(1-3y) +4y = -5

-5 + 15y +4y = -5

19y -5 = -5

19y = -5 +5

19y = 0

y=0

so we have:

x= 1-3y

x= 1- 3(0)

x=1

7 0
3 years ago
(6-2i)^2 which is the coefficient of i ?
Yuki888 [10]

Option A: -24 is the coefficient of i

Explanation:

The expression is (6-2 i)^{2}

To determine the coefficient of i, first we shall find the square of the binomial for the expression (6-2 i)^{2}

The formula to find the square of the binomial for this expression is given by

(a-b)^{2}=a^{2}-2 a b+b^{2}

where a=6 and b=2i

Substituting this value and expanding, we get,

(6-2 i)^{2}=6^{2} -2(6)(2i)+(2i)^{2}

Simplifying the terms, we have,

(6-2 i)^{2}=36-24i-4

Thus, from the above expression the coefficient of i is determined as -24.

Hence, Option A is the correct answer.

7 0
3 years ago
which one of yu geniuses can answer this question ???
madreJ [45]

Answer:

B. 20

Step-by-step explanation:

x + 40 = 3x

x - x + 40 = 3x - x

40 = 2x

20 = x

3 0
2 years ago
PLEASE HELP WILL MARK BRAINEST
LenaWriter [7]
Why do u need help with?
3 0
3 years ago
Read 2 more answers
A pizza shop offers 30% off the price of a large pizza every Tuesday night. If the regular price is $25.50, what is the discount
Anastasy [175]
--------------------------

6 0
3 years ago
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