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Over [174]
3 years ago
11

Provide one reason for when you can use the distance formula.

Mathematics
1 answer:
Pepsi [2]3 years ago
6 0

Answer:

Draw a right triangle such that the distance between the two points is the hypotenuse. Hence, When you use the distance formula, you are calculating the length of the Hypotenuse of a right triangle.

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Find the area of the trapezoid by decomposing it into other shapes.
dimulka [17.4K]

Answer:

In the question the person was asking

Step-by-step explanation:

It says area= 80.5. Try it and I promise you all it will be right.

5 0
2 years ago
Help Its math Im stuck!
Romashka [77]
C is correct.


Reasoning: If the top number (numerator) is smaller that the bottom number (denominator), it means it’s smaller than 1. If, on the other hand, the numerator is bigger than the denominator, it means it’s more than 1. If youre ever unsure, devide the numerator by the denominator. This will turn the number into a decimal, and be easier to see. 8/9 = 0.88 repeated, and 3/7 = 0.4285. Therefore 8/9 is larger than 3/7. This can also be written as 8/9 > 3/7.

Good luck!
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3 years ago
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Please answer this only for 35 points
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3 0
2 years ago
Find the angle between u = (8.- 3) and v = (-3,- 8) Round to the nearest tenth of a degree.
Nimfa-mama [501]

Answer:

<h2>90°</h2>

Step-by-step explanation:

First you must calculate the module or the magnitude of both vectors

The module of u is:

|u|=\sqrt{(8)^2 + (-3)^2} \\\\|u|=\sqrt{64 + 9}\\\\|u|=8.544

The module of v is:

|v|=\sqrt{(-3)^2 + (-8)^2} \\\\|u|=\sqrt{9 + 64}\\\\|u|=8.544

Now we calculate the scalar product between both vectors

u*v = 8*(-3) + (-3)*(-8)\\\\u*v = -24+ 24=0

Finally we know that the scalar product of two vectors is equal to:

u*v = |u||v|*cos(\theta)

Where \theta is the angle between the vectors u and v. Now we solve the equation for \theta

0 = 8.544*8.544*cos(\theta)\\\\0 = cos(\theta)\\\\\theta= arcos(0)\\\\\theta=90\°

the answer is 90°

Whenever the scalar product of two vectors is equals to zero it means that the angle between them is 90 °

5 0
3 years ago
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A company has to buy computers and printers. Each computer, x, costs $525 and each printer, y, costs $315. If the company spends
777dan777 [17]
I think it is the answer b because I think it the right choice I think you should choose B ok have a great day.
8 0
2 years ago
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