3 years ago

Pls help me with this

Mathematics

2 answers:

Yanka [14]3 years ago

4 0

Answer:

Step-by-step explanation:

f(-7) = 5-(-7)=5+7=12

Anuta_ua [19.1K]3 years ago

4 0

12 doe elks kelly kielce lemme ekkkk kennel

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There are infinite rational numbers between any two given

MissTica

Answer:

true

Step-by-step explanation:

for example: 2 and 3

2.0000000001,2.0000002..........infinite...........3

4 0

3 years ago

For khan:) 2x + 5y > -6 - 4x + 3y = 2 Is (-1,7) a solution of the system?

KiRa [710]

Step-by-step explanation:

$let \: 2x + 5y > - 6 ... i \\ - 4x + 3y = 2 ...ii\\ let \: x = - 1 \\ y = 7\\ from \: i \: equation \\ 2x + 5y > - 6 \\ then \: keeping \: value \: of \: x \: and \: y \\ 2 \times - 1 + 5 \times 7 > - 6 \\ - 2 + 35 > - 6 \\ 33 > - 6 \\ from \: ii \: equation \\ - 4x + 3y = 2 \\ - 4 \times - 1 + 3 \times 7 = 2 \\ 4 + 21 = 25$