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2 years ago

PLEASE HELP!! BRAINLIEST OFFERED!!!

Mathematics

2 answers:

bagirrra123 [75]2 years ago

6 0

Answer:

f(x) = (2/3)x - 2

Step-by-step explanation:

It is immediately evident that this line crosses the y-axis at (0, -2). This is the y-intercept. The line also passes through (3, 0).

As we move from (0, -2) TO (3, 0), x increases by 3 and y increases by 2. Thus, the slope, m, is m = rise / run = 2/3.

The equation of the line is thus:

f(x) = mx + b

f(x) = (2/3)x - 2. This matches the fourth answer choice.

Margaret [11]2 years ago

5 0

Answer: f(x)= 3/2x-2

Step-by-step explanation:

So if you know how to graph on a calculator and put all the points in, it'll give you all the points plotted and when i did that i got

f(x)= 3/2x-2

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When the coordinates 1 1 7 3 8 0 and 2 âˆ’ 2 are joined which shape is formed 5 points group of answer choices trapezoid rectang

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the coordinates (1,1), (7,3), (8,0) and (2,-2) are joined which shape is formed as Square

When the coordinates (1,1), (7,3), (8,0) and (2,-2) are joined, a square is formed. The sides are equal length and the angles are all 90 degrees.The coordinates (1,1), (7,3), (8,0) and (2,-2) are points on a two-dimensional plane. When the points are connected, a square is formed. A square is a four sided shape with four 90 degree angles and four equal length sides. The length of each side can be calculated by finding the distance between the two points. For example, the distance between (1,1) and (7,3) is 6 units. Therefore, the length of each side of the square is 6 units.

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5 0

10 months ago

if A and B together can do a piece of work in 10 days and B along can do it in 15 days, how many part of the work does A complet

anzhelika [568]

Answer:

1/5

Step-by-step explanation:

Well work can be defined as: $work = rate \ *\ time$

where rate=amount of work that can be done in one unit of time

let a = rate of work A does in a day

let b = rate of work B does in a day

this means that: $10a + 10b=1$ where work=1 and it just means the entire job has been completed.

Since b can do it alone in 15 days, this means that: $15b=1$

If we divide by 15 here, we get the equation: $b=\frac{1}{15}$

We can now use this definition to substitute it into the first equation we made.

$10a + 10(\frac{1}{15}) = 1$

Multiply the 10 and 1/15

$10a+\frac{2}{3}=1$

subtract 2/3 from both sides

$10a=\frac{1}{3}$

Now divide both sides by 10

$a=\frac{1}{30}$

Now multiply this by 6, since we a represents the amount of work that can be done in a day, we want to find how many parts of the work can be done by a in 6 days

$6a=\frac{6}{30}$