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3 years ago

15

The vertices of / are G(–4, 0), H(5, 2), and I(–2, –3). / is rotated 270° counterclockwise about the origin to form /. What are

the coordinates of the vertices of /?

1 answer:

Airida [17]3 years ago

6 0

vertices of I are(-2,-3)

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The points P(2,3) , Q(-1,1) and R(5,-1) are the vertices of a triangle PQR.Find the equation of the altitude of the triangle PQR

vfiekz [6]

Answer:

$y = \frac{3}{4} x+ \frac{7}{4}$

Step-by-step explanation:

The slope of straight line PR where P(2,3) and R(5,-1) are two vertices of triangle PQR will be = $\frac{3-(-1)}{2-5} =-\frac{4}{3}$

Therefore, the slope of the altitude passing through Q(-1,1) will be $\frac{3}{4}$ {Since, the product of slopes of two perpendicular straight line is -1}

So, equation of the altitude is $y=\frac{3}{4} x + c$ where c is a constant.

Now, putting x = -1 and y = 1 in the above equation we get

$1 = -\frac{3}{4} + c$

⇒ $c=\frac{7}{4}$

Therefore, the equation of the altitude is $y = \frac{3}{4} x+ \frac{7}{4}$ (Answer)

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2 years ago

Counting by thousands, write five numerals from 1578 onwards.

Fofino [41]

2578,3578,4578,5578,5678

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1 year ago

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A 10-foot ladder is leaning against a tree. The bottom of the ladder is 4 feet away from the bottom of the tree. Approximately h

Archy [21]

C. 9.2 is your answer

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3 years ago

DIRECTIONS: Enter your answer as an ordered pair: (? , ?)

Dmitry [639]

Answer:

(0, 4 )

Step-by-step explanation:

To find the x- intercept, let y = 0 in the equation and solve for x, that is

7x - 4(0) = 28, that is

7x = 28 ( divide both sides by 7 )

x = 4 ← x- intercept ⇒ (0, 4 ) as an ordered pair

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2 years ago

Last Month, Levi had written 125 words of his book. This month,he is up to 12,580 words. About how many times more words has he

VladimirAG [237]

Answer:

He has written about 100 times as many words.

Step-by-step explanation:

In order to find this, we first need to find the number that he has written this month. In order to do so, we need to subtract the previous month from the current total.

12,580 - 125 = 12,455

Now that we have that number, we can divide it by the previous month to see how many times more words he wrote in the second month.

12,455/125 = 99.64 times more, or rounded, about 100 times more.

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2 years ago