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AURORKA [14]
3 years ago
12

Reflections over the X- Axis P(x,y)=

Mathematics
1 answer:
scoray [572]3 years ago
6 0

Answer:

P(x,y)=P(x,-y)

Step-by-step explanation:

because when reflecting over the x axis the x will stay the same and the y will change

when reflecting over the y the y stays the same and the x changes

If brainiest is earned its greatly Appreciated. :)

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Two cards are drawn from a standard deck without replacement. What is the probability that the first card is a heart and the sec
Pavel [41]

Answer:

25/208 or 12.2%

Step-by-step explanation:

P(heart) = 13/52 = 1/4

P(red) = 26/52 = 1/2

because we are not replacing the first card drawn, the deck has 51 cards remaining

P(heart, red) = 1/4 × 25/52

= 25/208 or 12.2%

5 0
3 years ago
I need help please.
JulijaS [17]

Answer:

\frac{7\sqrt{5} }{8}

Step-by-step explanation:

Using the rules of radicals

\sqrt{\frac{a}{b} } = \frac{\sqrt{a} }{\sqrt{b} }

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab}

Given

\sqrt{\frac{245}{64} } = \frac{\sqrt{245} }{\sqrt{64} }

Simplifying the radicals

\sqrt{245}

= \sqrt{5(7)(7)}

= \sqrt{49(5)}

= \sqrt{49} × \sqrt{5} = 7\sqrt{5}

and

\sqrt{64} = 8

The simplified radical is

\frac{7\sqrt{5} }{8}

3 0
3 years ago
jake performed an experiment to find out which type of chocolate melts the fastest, milk chocolate or dark chocolate. He tested
antoniya [11.8K]

Answer:

The correct option is;

After 64 seconds, ABOUT HALF of the brands of milk chocolate ARE LIKELY to melt, and NONE of the brands of dark chocolate ARE LIKELY to melt

Step-by-step explanation:

Here we have  for the milk chocolate

Min = 29 s

Lower quartile Q₁ = 44 s

Median = 64 s

Upper quartile Q₂ = 93 s

Max = 129 s

For the dark chocolate

Min = 210 s

Lower quartile Q₁ = 237 s

Median = 259 s

Upper quartile Q₂ = 295 s

Max = 320 s

As seen from the values of the box plot, after the median time of 64 seconds which represents half of the test results of the milk chocolate about half of the brands of milk chocolate are likely to melt, while the dark brands only start to melt after 210 seconds.

Therefore the correct option is

After 64 seconds, ABOUT HALF of the brands of milk chocolate ARE LIKELY to melt, and NONE of the brands of dark chocolate ARE LIKELY to melt.

8 0
3 years ago
PLS WILL GIVE BRIANLY!
Viefleur [7K]

Answer:

Jack has 10 left

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Mags is 2 years older than vector. Which equation will help you find mags age (m) if you know vectors age (v)
Ostrovityanka [42]

Answer:

m=v+2

Step-by-step explanation:

So Mags (m) is older than vector (v) so matter what m is just v+2 the two is how much older mags is.

Hope this helps, have a good day :)

6 0
3 years ago
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