3 years ago

Simplify - 2/5 + 4/3

Mathematics

2 answers:

Fed [463]3 years ago

6 0

Answer: 14/15

Step-by-step explanation: It will remain the same as when it’s added

ira [324]3 years ago

4 0

Step-by-step explanation:

${ - 2 \: \over \: 5} + \frac{4}{3} \\ \\ \frac{ - 2 \times 3 + 5 \times 4}{5 \times 3} \\ \\ = \frac{ - 6 + 20}{15} \\ \\ = \frac{14}{15}$

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Which point lies on the graph of Y= 4x-4<br> 1.(0,4)<br> 2.(0,-4)<br> 3.(-4,0)<br> 4.(4,0)

statuscvo [17]

Answer:

Step-by-step explanation:

$y=4x-4\\\\\text{Substitute the coordinates of each points to the equation}\\\text{and check the equality.}\\\\1.\ (0,\ 4)\to x=0,\ y=4\\\\4=4(0)-4\\4=0-4\\4=-4\qquad\bold{FALSE}\\\\2.\ (0,\ -4)\to x=0,\ y=-4\\\\-4=4(0)-4\\-4=0-4\\-4=-4\qquad\bold{TRUE}\\\\3.\ (-4,\ 0)\to x=-4,\ y=0\\\\0=4(-4)-4\\0=-16-4\\0=-20\qquad\bold{FALSE}\\\\4.\ (4,\ 0)\to x=4,\ y=0\\\\0=4(4)-4\\0=16-4\\0=12\qquad\bold{FALSE}$