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AnnyKZ [126]
2 years ago
13

Find the slope of the line passing through (-8, 10) and (-8, -7).

Mathematics
2 answers:
ipn [44]2 years ago
8 0
  • (-8,10)
  • (-8,-7)

Slope:-

\\ \rm\dashrightarrow m=\dfrac{-7-10}{-8+8}

\\ \rm\dashrightarrow m=\dfrac{-17}{0}

\\ \rm\dashrightarrow m=\infty

lawyer [7]2 years ago
4 0

\frac{y2 - y1}{ x 2 -  x1}  \\  \frac{ - 7 - 10}{ - 8 + 8}  \\  \frac{ - 17}{0}

Slope is undefined

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A soccer player uses her head to hit a ball up in the air from a height of 2 meters with an initial vertical velocity of 5 meter
ozzi

Answer:

The ball will hit the ground in 1.33 s if no one touches it. The equation has 2 real solutions.

Step-by-step explanation:

The ball will hit the ground when its height is equal to 0 meters, therefore using this value in the expression and solving for "t" will give us the correct solutions.

h = -4.9*t^2 + 5*t + 2\\\\-4.9*t^2 + 5*t + 2 = 0\\\\t_{1,2} = \frac{-5 \pm \sqrt{5^2 - 4*(-4.9)*(2)}}{2*(-4.9)}\\\\t_{1,2} = \frac{-5 \pm \sqrt{64.2}}{-9.8}\\\\t_{1,2} =\frac{-5 \pm 8.0125}{-9.8}\\\\t_1 = \frac{-5 - 8.0125}{-9.8} = 1.33 \text{ s}\\\\t_2 = \frac{-5 + 8.0125}{-9.8} = -0.3 \text{ s}

The ball will hit the ground in 1.33 s if no one touches it. The equation has 2 real solutions.

8 0
3 years ago
Find the value of x in the equation 3(2x-4)-5(x-2)=1
Lyrx [107]

Answer:

x=3

Step-by-step explanation:

3(2x−4)−5(x−2)=1

Step 1: Simplify both sides of the equation.

3(2x−4)−5(x−2)=1

(3)(2x)+(3)(−4)+(−5)(x)+(−5)(−2)=1(Distribute)

6x+−12+−5x+10=1

(6x+−5x)+(−12+10)=1(Combine Like Terms)

x+−2=1

x−2=1

Step 2: Add 2 to both sides.

x−2+2=1+2

x=3

4 0
2 years ago
The value of a $120,000 house increases by 1.3% per year.
Nitella [24]

Answer:

a. exponential growth

Step-by-step explanation:

the equation is y = 120000(1.03)^x

f(x)=a(1+r)^{x}

5 0
3 years ago
A pizza with a diameter of 13 inches is cut into 12 equal slices. Jayden eats 1/3 of the pizza, representing an area of ____ squ
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Answer:

Jayden 44.2433333 inches squared

Carson 55.3041665 inches squared

Step-by-step explanation:

4 0
2 years ago
Identify the factor terms by grouping: 5x3 – 4x2 + 20x – 16
jek_recluse [69]

Answer:

The answer is D

Step-by-step explanation:

All you have to do is distribute.

x^2(5x-4)+4(5x-4) =

5x^3-4x^2+20x-16

7 0
3 years ago
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