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3 years ago

what are the new coordinates for (1,4) when rotated 180 degrees and 90 degrees counterclockwise, and 90 degrees clockwise?

1 answer:

7 0

90 degrees counterclockwise and 90 degrees cancel each other out. The coordinates of the point are only reflected over the x-axis. The point becomes (1, -4).

Hope I helped :)

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2. The cone has a radius of 30 mm and slant height of 34 mm. What is the height h for this cone?

Flura [38]

Answer:

h = 16

Step-by-step explanation:

By applying the Pythagorean Theorem, the slant height is given by the formula:

$\sqrt{r^2+h^2}$

34 = $\sqrt{30^2 + h^2}$

$34^2 = 30^2 + h^2$

$1156 = 900 + h^2$

$256 = h^2$

$h = \sqrt{256}$

$h = 16$

6 0

3 years ago

Find the value of X.

Vesna [10]

Answer:

x = 3

Step-by-step explanation:

First set up the problem like this:

14x-17 = 8x + 1

Now we subtract 14x from each side. This leaves us with:

-17 = 6x+1

Now we need subtract 1 from each side, leaving us with:

-18 = -6x

And now we divide each side by 6x, leaving us with.

3 = x.

And if you insert three into both of the equations, it will result in 25.

(Hope this helped!)

8 0

2 years ago

The cost of 18 notebooks at store j is $22.50. The notebooks at store j are all same price. The cost of notebooks at store k is

anzhelika [568]

Answer:

Where is the graph?

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Half of a number decreased by 27

bija089 [108]

"Half of a number decreased by 27" can be displayed as:

<u>1/2x - 27</u>

3 0

3 years ago

Identify the number of solutions or zeros<br><br> 2x^2+5x-9=0

Anon25 [30]

There are going to be two solutions because the "biggest" x is x^2 but you can factor to find what they actually are.

6 0

3 years ago