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2 years ago

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Triangle PQR has vertices at the following coordinates : P(0,1) Q(3,2) R(5,-4) . Determine wether or not triangle PQR is a right

triangle . Show all calculations for full credit .

1 answer:

lord [1]2 years ago

8 0

Here is my answer. Hope this help.

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Does 4x+5y=0 represent a direct variation ?

trapecia [35]

$\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ 4x+5y=0\implies 5y=-4x\implies y=-\cfrac{4}{5}x\qquad \boxed{k=-\cfrac{4}{5}}\qquad \text{\Large\checkmark}$

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3 years ago

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Help what do I do do i just write y-3x+5 or solve it

Rina8888 [55]

Answer:

y=-3x+5

Step-by-step explanation: Yes you have it correct. The question is asking for you to put it into an equation that fits the slope and y-intercept which is slope-intercept form. Additional note, when you have a problem like this and it doesn't say what type of equation form to put it in, put it in slope-intercept form for simplicity's sake.

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1 year ago

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An equilateral triangle has three congruent sides. If sides are congruent, the opposite angles are congruent.

VladimirAG [237]

Answer:

B)law of detachment

Step-by-step explanation:

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2 years ago

Ryan wanted to know the height of a cell-phone tower neighboring his property he walked 80 feet from the base of the tower and m

spin [16.1K]

Since Ryan is 5 feet tall, we will assume that the height of the cell-phone tower is x + 5.
Since the given is 54 degrees.
Tan 54degrees = x/80(feet)
x=80(tan54)
x=110
To finalize the answer, we will add up the height of the cell-phone tower to the answer.
110 + 5 = 115 feet
So the answer to the question is that the height of the cell-phone tower is 115 ft.

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3 years ago

Please help me w this!!

Digiron [165]

Answer:

(-15, 14)

Step-by-step explanation:

Let the coordinates of Z be (x,y).

$\frac{x+5}{2}=-5 \implies x=-15 \\ \\ \frac{y+6}{2}=10 \implies y=14$

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1 year ago