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Masja [62]
3 years ago
15

9 miles 10 miles 19 miles 22 miles ??

Mathematics
1 answer:
Softa [21]3 years ago
7 0
Joan is 5 miles away from Gary.
Gary is 8 miles away from Kash.

Let the distance between Joan and Kash be x. Then you can use Pythagorean theorem to find it:
x=\sqrt{5^2+8^2}=\sqrt{25+64}=\sqrt{89}\approx 9.434
You might be interested in
What is the area of trapezoid ABCD ? Enter your answer as a decimal or whole number in the box. Do not round at any steps. units
lidiya [134]

Answer:

37.5 sq. units.

Step-by-step explanation:

The coordinate of vertices of trapezoid ABCD are given,

From the diagram it is clear the area of ABCD = \frac{1}{2}\times AB \times (AD + BC) {Since, AD ║ BC and AB is the perpendicular distance between the parallel lines }

Now, AB = \sqrt{(- 3 - 1)^{2}+ (2 - 5)^{2}  } = 5 units

AD = \sqrt{(- 3 - 0)^{2}+ (2 - (-2))^{2}  } = 5 units

Again, BC = \sqrt{(1-7)^{2}+ (5 - (-3))^{2}  } = 10 units

Therefore, the area of trapezoid ABCD = \frac{1}{2} (10 + 5) \times 5 = 37.5 sq. units. (Answer)

We know, that the distance formula between two points (x_{1}, y_{1}) and  (x_{2}, y_{2}) is  

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

7 0
3 years ago
Find the MODE for the data set: 8, 4, 6, 6, 8, 2, 6,5
gogolik [260]

Answer: 6

Step-by-step explanation: Mode means most reoccurring number. And so it's 6.

4 0
3 years ago
Read 2 more answers
What is the value of x?
rewona [7]

Answer:

x = 80

Step-by-step explanation:

The sum of the angles of a triangle is 180 degrees

70+30+x = 180

100+x = 180

Subtract 100 from each side

100+x-100 = 180-100

x = 80

6 0
2 years ago
Two-thirds of a number is negative six. Find the number.
Sav [38]
-9 would be your answer 
5 0
3 years ago
Read 2 more answers
Hello, can somebody help me out with this problem? <br> (x)/(x-2)+(x-1)/(x+1)=1
IgorC [24]
\dfrac x{x-2}+\dfrac{x-1}{x+1}=1

\dfrac x{x-2}\cdot\dfrac{x+1}{x+1}+\dfrac{x-1}{x+1}\cdot\dfrac{x-2}{x-2}=1

So long as x\neq-1 and x\neq2, we can carry out the manipulation above. Then

\dfrac{x(x+1)}{(x-2)(x+1)}+\dfrac{(x-1)(x-2)}{(x+1)(x-2)}=1

\dfrac{x(x+1)+(x-1)(x-2)}{(x-2)(x+1)}=1

\dfrac{x^2+x+x^2-3x+2}{x^2-x-2}=1

\dfrac{2x^2-2x+2}{x^2-x-2}=1

\dfrac{2x^2-2x+2}{x^2-x-2}\cdot(x^2-x-2)=1\cdot(x^2-x-2)

2x^2-2x+2=x^2-x-2

x^2-x+4=0

We can complete the square to solve:


x^2-x+\dfrac14+\dfrac{15}4=0

\left(x-\dfrac12\right)^2=-\dfrac{15}4

However, y^2\ge0 for all (real) values of y, which means there is no real solution to this equation.

If you're solving over the complex numbers, we can take the square root of both sides to get

x-\dfrac12=\pm i\dfrac{\sqrt{15}}2

\implies x=\dfrac{1\pm i\sqrt{15}}2
3 0
3 years ago
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