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torisob [31]
3 years ago
8

Is the following sentence a statement or not a statement? X and Y define a line

Mathematics
1 answer:
spayn [35]3 years ago
5 0
Statement because it's stating that x and y define a line.
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Find the value of each variable
4vir4ik [10]

Answer:

x = 10\sqrt{2} , y = 10\sqrt{6}

Step-by-step explanation:

using the sine and cosine ratios in the right triangle and the exact values

cos60° = \frac{1}{2} , sin60° = \frac{\sqrt{3} }{2} , then

cos60° = \frac{adjacent}{hypotenuse} = \frac{x}{20\sqrt{2} } = \frac{1}{2} ( cross- multiply )

2x = 20\sqrt{2} ( divide both sides by 2 )

x = 10\sqrt{2}

and

sin60° = \frac{opposite}{hypotenuse} = \frac{y}{20\sqrt{2} } = \frac{\sqrt{3} }{2} ( cross- multiply )

2y = 20\sqrt{2} × \sqrt{3} = 20\sqrt{6} ( divide both sides by 2 )

y = 10\sqrt{6}

5 0
3 years ago
Use the Pythagorean theorem to find the length of the leg in the triangle shown below 12 15
Norma-Jean [14]

Answer:

9 = x (assuming 15 is the hypotenuse)

Step-by-step explanation:

15^2 = 12^2 + x^2

225 = 144 + x^2

subtract 144 from both sides

81 = x^2

square root both sides

9 = x

8 0
3 years ago
The mean, median and mode of these weight 105,53,76,91,120,61,55,98,61
umka21 [38]

Answer:

Step-by-step explanation:

The Mean is 102.85

The Median is 23.85

There is no Mode

And the Range is 67

Hope this was correct!

6 0
3 years ago
15 point help asap marking brainlest!!!!!!!!!!!!!!
ziro4ka [17]

slope =(y2-y1)/(x2-x1)

m=(-1-5)/(1--1)

m=-6/2

m=-3

y-y1=m(x-x1)  point slope form

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y-5 = -3 (x+1)

distribute

y-5 = -3x -3

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Choice D


4 0
3 years ago
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Solve the equation ​
crimeas [40]

Answer: the answer is C.

try using the app


Step-by-step explanation:


3 0
4 years ago
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