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MatroZZZ [7]
3 years ago
11

Nancy has to find the reflection of a point across both the x- and the y-axes. Using what you've learned so far about reflection

s across the x-axis and reflections across the y-axis, can you come up with a rule for what happens to the signs when you reflect a point across both axes?​
Mathematics
2 answers:
kifflom [539]3 years ago
7 0

Answer:

Step-by-step explanation:

All she needs to know is that  a reflection across the x-axis is when the x coordinate stays the same and the y-coordinates change.

Hope this helped.

VikaD [51]3 years ago
5 0

Answer:

To find the reflection of a point across the x-axis and the y-axis, change the signs of both the x-coordinate and the y-coordinate.

Step-by-step explanation:

!!edmentum answer!!

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Solve 7/2x + 7/9x= -17 + 25/6<br><br> X=
qaws [65]

Answer:x=

Step-by-step explanation:

5 0
3 years ago
If the sum of squares for a sample containing 51 items equals 200, what is the standard deviation?
Mashcka [7]

The standard deviation is 1.98. Option A is correct.

The standard deviation formula is given as

  • \sigma = \sqrt{\frac{SS}{n} }

where:

  • SS is the sum of squares = 200
  • n is the sample size = 51

Substitute the given parameters into the formula to have:

\sigma = \sqrt{\frac{200}{51} }\\\sigma = \sqrt{3.922}\\\sigma = 1.980

Hence the standard deviation is 1.98

Learn more on standard deviation here: brainly.com/question/12402189

7 0
2 years ago
If Anita uses a total of 15 orange balloons how many green balloons should she use
Paha777 [63]

Answer:

Step-by-step explanation:

So basically since she used 15 orange balloons she would have to use 10 green balloons

3 0
3 years ago
HELP! Simon invests in a medical company. He buys the stock at $189.35 and sells it for $167.78. What is the percent of decrease
myrzilka [38]
167.78 / 189.35 = .88608 * 100 = 88.6083971481 round it you get 89
3 0
4 years ago
Please help. Thank you
skad [1K]
Hey there! :D

When powers are outside the parenthesis, you multiply them. 

(-4^-2)^5

-2*5= -10 

We now have: 

4^-^1^0

When you have a negative exponent, you bring it to the bottom of a fraction to make it positive. 

\frac{1}{ 4^{10} }

"C" is the correct answer. 

I hope this helps!
~kaikers 

4 0
3 years ago
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