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Shkiper50 [21]
2 years ago
8

Find the distance between (1, 4) and (-2, 0)

Mathematics
1 answer:
Vanyuwa [196]2 years ago
4 0

Answer:

\boxed {d = 5}

Step-by-step explanation:

Use the <u>Distance Formula</u> to help you determine the distance between two given points:

d = \sqrt{(x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2}}

First point: (x_{1}, y_{1})

Second Point: (x_{2}, y_{2})

-Apply the two given points onto the formula:

First point: (1, 4)

Second point: (-2, 0)

d = \sqrt{(-2 - 1)^{2} + (0 - 4)^{2}}

-Solve for the distance:

d = \sqrt{(-2 - 1)^{2} + (0 - 4)^{2}}

d = \sqrt{(-3)^{2} + (-4)^{2}}

d = \sqrt{9 + 16}

d = \sqrt{25}

\boxed {d = 5}

Therefore, the distance is 5.

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A bolt falls off an airplane at an altitude of 500 m. How long will it take the bolt to reach
Rudik [331]

Answer:

t = sqrt(500/4.9) =~ 10.1 seconds/ Answer: 10.1015 seconds (this is approximate)

Step-by-step explanation:

Use 4.9t^2 + v0t = s

a) A bolt falls off an airplane at an altitude of 500 m. Approximately how long does it take the bolt to reach the ground?

s = 4.9t^2 + v0t = 500

4.9t^2 = 500

t = sqrt(500/4.9) =~ 10.1 seconds

Part A)

v = initial velocity = 0

s = 500 = vertical distance the object travels (from plane to ground)  

Plug in the given values and solve for t

4.9t^2 + v*t = s

4.9t^2 + 0*t = 500

4.9t^2 + 0 = 500

4.9t^2 = 500

t^2 = 500/4.9

t^2 = 102.04081632653

t = sqrt(102.04081632653)

t = 10.101525445522

t = 10.1015

Answer: 10.1015 seconds (this is approximate)

8 0
2 years ago
Which scales are equivalent to the scale 1cm to 5km? More than one is the right answer
Oduvanchick [21]
The answer would be A because each side is being multiplied by 3
8 0
3 years ago
Read 2 more answers
Find the value of x.
Tatiana [17]

\large \mathfrak{Solution : }

The given pair of angles are vertical opposite angle pair so, they are equal. i.e

  • (x + 90)\degree = 4x\degree

  • (4x - x) \degree= 90\degree

  • 3x\degree = 90\degree

  • x\degree =  \dfrac{90\degree}{3\degree}

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8 0
3 years ago
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What are the zeros of the function y = x2 + 10x – 171, and why?
vagabundo [1.1K]
To find the zeros, you have to factor the equation.
y=(x+19)(x-9)
This is because 19*-9=-171 and 19-9=10.
Now to make x=0, you have to make the equation
x+19=0
and x-9=0
To solve, isolate x on both equations.
This makes x=-19 and x=9.
5 0
2 years ago
Myong is collecting rainwater for the garden in the first week she collected 5 gallons in the second week she collected 12 quart
RUDIKE [14]
1 gallon = 16 cups
1 quart = 4 cups
1 pint = 2 cups
Therefore...

Multiply
5 gallons × 16 cups = 80 cups
12 quarts × 4 cups = 48 cups
7 pints × 2 cups = 14 cups

Then...

Addition
80 cups + 48 cups + 14 cups = 142 cups

Answer
Myong has 142 cups of rainwater after 3 weeks of collecting rainwater.
5 0
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