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3 years ago

How many units away from the origin is the point (-3,-4)

Mathematics

1 answer:

8090 [49]3 years ago

7 0

3 units because 3 is on the x axis

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To find the height of a pole, a surveyor moves 120 feet away from the base of the pole and then, with a transit 8 feet tall, mea

Vikki [24]

Refer to the figure.
Let AB be the height of the pole; CD be the height of the transit; BC is the distance from the base of the pole to the transit.

Triangle ADE is a right triangle with angle D measuring 26 degrees. Using the tangent function, we have
$tan\:26^{\circ} =\frac{AE}{120}$
So,
$AE=120\:tan\:26^{\circ}$
$AE=58.53\:$

Therefore, the overall height of the pole is
$AB=58.53+8=66.53\:feet$

The height of the pole is 66.53 feet.

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3 years ago

Y = x² - 4x convert from standard to vertex form

Pepsi [2]

Answer:

$y = (x-2)^{2} -4$

Step-by-step explanation:

To complete the square: add 4 to both sides because the product of 4 as 2 as the factor which 2 * 2 so $2^{2}$

$y + ? = x^{2} - 4x + ?$

$y + 2^{2} = x^{2} - 4x + 2^{2}$

$y + 4 = x^{2} - 4x + 4$

Now we can factor the expression

$y + 4 = (x-2)^{2}$

Move the 4 to the other side to isolate y which changes the sign

$y = (x-2)^{2} - 4$

6 0

2 years ago

4 divided by 0.2 Please answer first one answers gets marked brainiest + 20 points!

tankabanditka [31]

Answer:

20 will be the answer

you've to remove decimal from the sum.

have a great day ahead

plz mark me as brainliest plzz

4 0

3 years ago

Read 2 more answers

John borrowed a certain amount of money from Tebogo at a simple interest rate of 8,7% per year.

Anestetic [448]

Answer:

Step-by-step explanation:

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3 years ago

To use a compass to find the midpoint of a line segment, Rebecca draws two arcs of equal radius from each of the two endpoints o

DiKsa [7]

We are given a line segment with two points on each end. Rebecca draws two arcs with equal radius from each point. Now, the intersection of the two arcs is the midpoint of the line. This can be explained by the radius of the arcs. Since they are equal, meaning they have the same distance from each point. Thus, the midpoint of the line.

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3 years ago