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N76 [4]
3 years ago
17

WILL GIVE BRAINLIEST!!!! A teacher wrote the equation 3y + 12 = 6x on the board. For what value of b would the additional equati

on 2y = 4x + b form a system of linear equations with infinitely many solutions?
A. b=-8
B. b=-4
C. b=2
D. b=6
Mathematics
2 answers:
oee [108]3 years ago
7 0

Answer:

b= -8

Step-by-step explanation:

Ksivusya [100]3 years ago
6 0

Answer:

its the first option

Step-by-step explanation:

do ya really need an explanation oof just trust meu

Zak10X
2 years ago
I trusted you mason. now what are the numbers mason? WHAT DO THEY MEAN MASON?!
Zak10X
2 years ago
lmao
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Answer:

k = 5 and (6,2).

Step-by-step explanation:

Since (1,-1) is a solution of the equation 3x - ky = 8, so the point (1,-1) will satisfy the equation above.

Hence, putting x = 1 and y = -1 in the equation will give left-hand side = right-hand side.

So, 3(1) - k(-1) = 8

⇒ 3 + k = 8

⇒ k = 5 (Answer)

Therefore, the equation of the straight line is 3x - 5y = 8 ....... (1)

Now, putting x = 6 , then from equation (1) we get y = 2

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Answer:

(-138) is the answer.

Step-by-step explanation:

Perfect square numbers between 15 and 25 inclusive are 16 and 25.

Sum of perfect square numbers 16 and 25 = 16 + 25 = 41

Sum of the remaining numbers between 15 and 25 inclusive means sum of the numbers from 17 to 24 plus 15.

Since sum of an arithmetic progression is defined by the expression

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a = first term of the sequence

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S_{8}=\frac{8}{2} [2\times 17+(8-1)\times 1]

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Now the difference between 41 and sum of perfect squares between 15 and 25 inclusive = 41-179

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