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Aliun [14]
3 years ago
11

What is the distance?(-4,2) (-2,-2)

Mathematics
1 answer:
slava [35]3 years ago
8 0
It is 2x and 4y, so you need to use pythagorean theorem. 2 squared is 4, and 4 squared is 16. Add them, and you get 20. The problem is that that won't square to a whole number, so the closest I can get it is the square root of 20, or 2 root 4.
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Five cards are dealt form 52. a) How many different hands can be dealt? b) How many hands will contain 4 hearts? c) How many han
7nadin3 [17]
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5 0
3 years ago
Solve for the exact value of x.
blsea [12.9K]

Answer:

\sqrt{89}

Step-by-step explanation:

Using the Pythagorean Theorem, if you take 8 and square it, you get 64.

You then take 5 and square it giving you 25.

add the 64 and 25 to get you 89 = x squared.

Then take the square roots of x. (Keep in mind, what you do to one side must be done to the other.)

Because 89 is not a perfect square, you can it it as the square root of 89.

6 0
3 years ago
The carpet Danil has chosen for his new recreation room costs $8.99 per square metre. this room measures 15ft by 18ft. how much
Fudgin [204]

Answer:

$225.50 (nearest cent)

Step-by-step explanation:

1 foot ≈ 0.3048 m

Width of room = 15 ft ≈ 15 x 0.3048 = 4.572 m

Length of room = 18 ft ≈ 18 x 0.3048 = 5.4864 m

Area of room = width x length = 4.572 x 5.4864 = 25.0938208... m²

Cost of carpet = $8.99 per m²

Total cost of carpet = 25.0938208 x 8.99 = $225.50 (nearest cent)

3 0
2 years ago
How does confidence interval affect margin of error.
Vesnalui [34]
The width of the confidence interval is twice the margin of error. The lower bound of the confidence interval is the observed score minus the margin of error;
8 0
1 year ago
Use Green's Theorem to evaluate the line integral along the given positively oriented curve. C yex dx 2ex dy, C is the rectangle
Dennis_Churaev [7]

Answer:

2 ( e^3 + 1 )

Step-by-step explanation:

The path of the attached Rectangle is anti-clockwise

and the Integrand:  P( x, y ) dx +  q ( x , y ) dy

 P( x, y )  = ye^x

 q ( x , y ) = 2ex

hence :  dq/dx - dp/dy = 2e^x - e^x = e^x

attached below is the remaining  solution

using Green's theorem

7 0
2 years ago
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