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alex41 [277]
3 years ago
9

When you rotate 180 degrees the (x,y) becomes

Mathematics
1 answer:
svet-max [94.6K]3 years ago
7 0

Answer:

Step-by-step explanation:

(x,y)→(-x,-y)

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Linear Equations w/ Distribution 4(2x+8)= 48
juin [17]
8x + 32 = 48
8x = 16
X = 2
4 0
3 years ago
For the following question,Find the volume of the given prism.Round to the nearest tenth if necessary.
ozzi

Answer:

308.9 cm³

Step-by-step explanation:

All you must do is multiply all the numbers together! (height x length x width)

13.2 x 3.9 x 6 = 308.88 cm³

Rounded: 308.9 cm³

There's your answer! Hope this helps :]

4 0
3 years ago
Which number line best represents the<br> expression below?<br> -(-3) + (-1)
Amanda [17]

Answer: D

Step-by-step explanation: It has 3 and -1 represented on it

4 0
3 years ago
Maths trig functions <br> please help
Nikitich [7]

1. According to the plots, the curves intersect when x=90^\circ and x=360^\circ.

We can confirm this algebraically.

\sin(x) + 2 = -\cos(x) + 3

\sin(x) + \cos(x) = 1

\sqrt2 \sin\left(x + 45^\circ\right) = 1

\sin\left(x + 45^\circ\right) = \dfrac1{\sqrt2}

x + 45^\circ = \sin^{-1}\left(\dfrac1{\sqrt2}\right) + 360^\circ n \text{ or } x + 45^\circ = 180^\circ - \sin^{-1}\left(\dfrac1{\sqrt2}\right) + 360^\circ n

(where n is an integer)

x + 45^\circ = 45^\circ + 360^\circ n \text{ or } x + 45^\circ = 135^\circ + 360^\circ n

x = 360^\circ n \text{ or } x = 90^\circ + 360^\circ n

We get the two solutions we found in the interval [0°, 360°] with n=1 in the first case, and n=0 in the second case.

2. We have \sin(x)=0 when x \in \{0^\circ, \pm 180^\circ, \pm360^\circ, \ldots\}. For the given plot domain [0°, 360°], this happens when 180^\circ < x < 360^\circ.

3. The domain for both equations is all real numbers in general, but considering the given plot, you could argue the domains would be [0°, 360°].

\sin(x) is bounded between -1 and 1, so \sin(x) + 2 is bounded between -1 + 2 = 1 and 1 + 2 = 3, and its range is [1, 3].

Likewise, -\cos(x) is bounded between -1 and 1, so that -\cos(x)+3 is bounded between -1 + 3 = 2 and 1 + 3 = 4, so its range would be [2, 4].

3 0
1 year ago
Lisa wants to buy material for her dress. If she buys 7metres, she is 1 dollar short. If she buys 5metres, 5 dollars is left ove
Ede4ka [16]

Answer:

She has 15 dollar.

Explanation

If every meter costs 2 dollars, then 5 meter would cost 10 dollars and 7 meter would cost 14 dollar. Now we take a number when subtracted from 10, we get 5 dollar and when the same number subtracted from 14 we get 1 dollar left. Now if we take 15 dollar, you'll see that when you subtract 10 from it you get 5 dollar and when you subtract 14 from it you get 1 dollar. Therefore 15 satisfies the given condition in the question.

$15 - $10 = $5

$15 - $14 = $1

4 0
3 years ago
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