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Vlad1618 [11]
2 years ago
5

If you are good at math please help me answer all 4 please

Mathematics
1 answer:
Strike441 [17]2 years ago
5 0
Slope = rise/run
1. Slope is -1/3
2. Slope is 3
3. Slope is -3/2
4. Slope is 3/2
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PLEASE PLEASE PLEASE HELP I WILL GIVE BRAINLIEST
Marat540 [252]

Answer:

y >  6x -100  

Step-by-step explanation:

the slope intercept equation of the line is

y=mx+b

m is the slope = (y2-y1) / (x2-x1) so between the y-intercept (0,-100) and the given point (25, 50) we have m= -100-50/0-25 = -150/-25 = 6

y= 6x -100

now we have to figure the inequqlity part so take point (0, 0) that belongs to the solution and substitute in the equation

0 = 6*0 -100

0 = -100  for the equation to be true we have to make it 0 > -100, we also need to make it NOT greater or equal then because the line is doted not solid  so the inequality is

y >  6x -100  

4 0
3 years ago
Read 2 more answers
Anna went from home to school with the speed 3 km/hour. She ran back home with the speed 6 km/hour.Her sister Olga went to schoo
PIT_PIT [208]
Let:
v = Olga's speed
t = the time Anna spent going to school (3 km/hour)
t/2 = the time Anna spent running back home with speed of 6 km/hour
So, t + t/2 = 3t/2 is the total time
In the meantime distance = speed*time and the both made the same distance we can put it as:
3t + 6*(t/2) = (3t/2)*v
6t = (3/2)tv divide both sides by t 
(3/2)v = 6
v = 2*6/3
v = 4 km/hour
Olga's speed was 4 km/hour.
3 0
3 years ago
The perimeter of a rectangle is 254 cm. Its length is 55 cm. What is the width of the rectangle with a variable?
Elanso [62]

Answer:

Rectangle w=72

Step-by-step explanation:

Rectangle

Solve for 

width

w

=

72

cm

l

Length

cm

P

Perimeter

cm

5 0
3 years ago
Rosemary is driving to Chicago, and she is 84 miles away. She wants to arrive in 1.5 hours. What rate of speed will she have to
Olegator [25]

Answer:

rosemary needs to maintain 65 mph

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
What is the probability that you flip 4 coins and at least 2 land on tails?
Marianna [84]
50%. Each coin has a 50% chance on landing on head and a 50% chance of landont on tails.
3 0
2 years ago
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