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Airida [17]
2 years ago
11

27. Find the slope of the line. (1 point) A.2B.-2C.3D.-1​

Mathematics
2 answers:
Margarita [4]2 years ago
7 0
The answer is -2 because the long goes down 2 on the y axis for every +1 on the x axis. This creates the slope fraction -2/1, which simplifies to -2.
Nezavi [6.7K]2 years ago
7 0

Answer:

  • Slope = -2

Step-by-step explanation:

<u>Step-1: Choose any two points on the line.</u>

  • My chosen points: (-3,3) and (0,-3)

<u>Step-2: Use y₂ - y₁/x₂ - x₁ to find the slope.</u>

  • => -3 - 3/0 - (-3)
  • => -6/3

<u>Step-3: Divide.</u>

  • => -2 = Slope

Hence, the slope is -2.

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25% off means that they are paying 75% of the original price. Multiply d by 75%:

0.75d

Now you need to multiply the price by 1 plus the sales tax to get the total cost:

0.75d x 1.08

Simplify by multiplying 0.75 by 1.08 to get:

0.81d

7 0
3 years ago
Two angles in a triangle are 30 degrees and 40 degrees. Find the missing angle measure. Please show your math work step by step
brilliants [131]

Answer:

110

Step-by-step explanation:

Hello There!

If you didn't know the rule about angles in a triangle is that they have a sum of 180

So we can find the measure of the missing angle by subtracting the given angles (in this case 30 and 40) from 180

so the missing angle = 180 - 30 - 40

180 - 30 = 150

150 - 40 = 110

so the missing angle = 110

5 0
3 years ago
A rocket moves at the speed of 4.9 miles per second. How fast is the rocket traveling kilometers/hour (km/h)?
enot [183]
52 I think is the answer
7 0
3 years ago
Read 2 more answers
The weight of an object on a particular scale is 175.2 lbs. The measured weight may vary from the actual weight by at most 0.1 l
snow_lady [41]
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5 0
3 years ago
Read 2 more answers
Question
Jobisdone [24]

Answer:

The light bulb will reach the ground 1.25 seconds after it is dropped.

Step-by-step explanation:

We know that for an object that is in the air, the only force acting on it will be the gravitational force (where we are ignoring the air resistance)

Then the acceleration of the object is the gravitational acceleration, 32.17 ft/s^2

Then the acceleration of the light bulb is:

A(t) = (-32.17 ft/s^2)

Where the negative sign is because the acceleration is downwards.

Now, to get the velocity equation, we need to integrate the acceleration over time, we will get:

V(t) = (-32.17 ft/s^2)*t + V0

Where V0 is the initial velocity of the light bulb. Because it is dropped, the initial velocity will be zero, then V0 = 0m/s, then the velocity equation is:

V(t) =  (-32.17 ft/s^2)*t

Finally, to get the position equation we need to integrate again, we will get:

P(t) = (1/2)*(-32.17 ft/s^2)*t^2 + P0

Where P0 is the initial height of the object, and in this case, we know that it is equal to 25 ft.

Then the position equation is:

P(t) = (1/2)*(-32.17 ft/s^2)*t^2 + 25ft

The object will hit the ground when P(t) = 0 ft, then we need to solve that equation for t:

P(t) =  (1/2)*(-32.17 ft/s^2)*t^2 + 25ft = 0 ft

          25 ft =  (1/2)*(32.17 ft/s^2)*t^2

         2*25ft = (32.17 ft/s^2)*t^2

           50ft =  (32.17 ft/s^2)*t^2

         √( 50ft/(32.17 ft/s^2)) = t = 1.25 s

The light bulb will reach the ground 1.25 seconds after it is dropped.

8 0
3 years ago
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