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Andre45 [30]
9 months ago
13

The equations in elimination method are written in the standard form as _______________.ax - by = cax + by + c = 0Ax + By = Cax

- by - c = 0
Mathematics
1 answer:
laiz [17]9 months ago
8 0

Step 1

Given; The equations in the elimination method are written in the standard form as ____

Step 2

Simultaneous linear equations can be solved using the elimination method. First of all, make sure that the equations are written in the standard form either Ax+By=C or Ax+By+C=0. In this method, we multiply both the equations with a non-zero number to make the coefficients of any one variable equal.

Thus the answer is; The equations are written in standard form as seen below

Ax+By=C

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Please solve this using like terms! <br> 2(−14+r)−(−3r−5)
tia_tia [17]

Answer:

5r-23

Step-by-step explanation:

multiple 2 with -14 and r

then subtract 2r - (-3) and -28 -(-5)

6 0
3 years ago
The ratio of ages of kissi and esinam is 3:5 and esinam is 3:5 The sum of ages of all 3 is 147 years.whats the age difference be
Sergio039 [100]

Answer:

48 years.

Step-by-step explanation:

Consider the complete question is "The ratio of ages of kissi and esinam is 3:5 and that of esinam and lariba is 3:5. The sum of ages of all 3 is 147 years. whats the age difference between oldest and youngest ?"

It is given that

Kissi : Esinam = 3:5 = 9:15

Esinam : Lariba = 3:5 = 15:25

So, the combined ratio is Kissi : Esinam : Lariba = 9:15:25

Let ages of Kissi, Esinam, Lariba are 9x, 15x and 25x.

Sum of ages of all 3 is 147 years.

9x+15x+25x=147

49x=147

x=3

The value of x is 3. So, the age of all three are

Kissi=9x=9(3)=27

Esinam=15x=15(3)=45

Lariba=25x=25(3)=75

Since Lariba is oldest and Kissi is youngest, therefore, the difference between their ages is

75-27=48

Hence, difference between oldest and youngest is 48 years.

8 0
2 years ago
Simplify: (2x-3)(4x+1)
mixas84 [53]

Answer:

8x^2-10x-3

Step-by-step explanation:

(2x-3)(4x+1)

2x(4x+1)-3(4x+1)

8x^2+2x-12x-3

8x^2-10x-3

3 0
3 years ago
The perimeter of a geometric figure is the sum of the lengths of its sides. If the perimeter of the pentagon to the right (five-
Yuri [45]
2.5 divided by 2 equals 1.25 so each side equals 1.25
5 0
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T-Mobile has a family plan of four lines $120 additional lines are $10 each per month. If Jason wants to spend at most $175 per
Irina-Kira [14]

Answer:

5 lines

Step-by-step explanation:

hope this helps.

5 0
2 years ago
Read 2 more answers
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