3 years ago

Write (-9.4,8.9) (-5.4,28.9) in slope intercept form

Mathematics

1 answer:

Ahat [919]3 years ago

8 0

Answer: y= 5x +55.9

Step-by-step explanation:

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The answer should be c. 13

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3 years ago

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Vitek1552 [10]

All direct proportional graphs go through the origin (0,0). So this is where one point could go. The second point is found by going up 5 units and then to the right 3 units to get to (3,5)

<h3>Draw a straight line through (0,0) and (3,5) to graph</h3>

The equation of this line is y = (5/3)x

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3 years ago

If the area of a shape is 50 square feet and the width is 10 feet, what is the lentgth

Rus_ich [418]

Answer:

5 feet

Step-by-step explanation:

To find the length of the shape, we can divide the area to the width.

Formula for area is [ a = lw ].

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l = 50/10

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4 years ago

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Sorin hits a cricket ball straight up into the air. After 1.5s, the ball is falling straight down with a speed of 6.5 m/s. We wa

sveticcg [70]

Step-by-step explanation:

We have, Sorin hits a cricket ball straight up into the air. After 1.5 s, the ball is falling straight down with a speed of 6.5 m/s.

We want to find the initial vertical velocity of the ball.

The relation between initial speed, final speed, acceleration and time is given by using first equation of kinematics. Let v₀ is the initial speed. So,

$v=v_o +at$

Here, v = -6.5 m/s, t = 1.5 s and a = -g

$v_o=v-at\\\\v_o=v+gt\\\\v_o=-6.5+9.8\times 1.5\\\\v_o=8.2\ m/s$

So, the initial velocity of the ball is 8.2 m/s and the formula used is (1).

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4 years ago