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MrRissso [65]
2 years ago
15

Giving brainliest !! *easy*

Mathematics
1 answer:
Dmitriy789 [7]2 years ago
5 0

Answer:

  1. r
  2. 2r
  3. \pi \: r
  4. m
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3 years ago
What system shows the correct numbers to multiply by the coefficients in order to eliminate y from the first two
Ann [662]

Answer:

3 (5x+2y = 0)

2 (2x – 3y = -19)

Step-by-step explanation:

5x+2y=0 (1)

2x-3y=-19 (2)

To eliminate y from the first two equation when applying the linear combination method

We will multiply y Equation (1) and (2) with 3 and 2 respectively so that the coefficients of y in the two equations +6 and -6 respectively

3(5x+2y=0)

2(2x-3y=-19)

We have,

15x+6y=0 (3)

4x-6y= -38 (4)

Add Equation (3) and (4)

19x=-38

x= -2

Substitute x= -2 into (1)

5x+2y=0

5(-2)+2y=0

-10+2y=0

-10= -2y

y=-10/-2

=5

y=5, x=-2

3 0
3 years ago
What is 8x51 in multiplcation properties
hram777 [196]
51 x 8 = 408

It can be in this way: 51*8=408

3 0
3 years ago
Read 2 more answers
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