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3241004551 [841]
3 years ago
7

What transformation is represented by the rule (x, y)→(−y, x) ?

Mathematics
2 answers:
Vlada [557]3 years ago
6 0

Answer: rotation of 90° counterclockwise about the origin


Step-by-step explanation: 1.10 k12 right same it was wrong

Andrej [43]3 years ago
5 0

the answer is C. Reflection across the X-axis

Hope this helps!

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Need help & Thank you !!!!
loris [4]

The right answer is of option D.

please see the attached picture for full solution...

Hope it helps...

Good luck on your assignment......

8 0
3 years ago
-10 + x =18 please help meee
tester [92]
28.................
6 0
3 years ago
Read 2 more answers
5c=d for c<br> I need help with answering this math problem
Andrei [34K]

Step-by-step explanation:

Let's solve for c.

5c=d

Step 1: Divide both sides by 5.

5c

5

=

d

5

c=

1

5

d

3 0
3 years ago
You buy 6 items for $25.60. About how much did you spend?<br> $125<br> $145<br> $75<br> $150
garik1379 [7]
The answer is 150 because 6 times 25.60 equals 153.6
3 0
2 years ago
Read 2 more answers
A company has developed a training procedure to improve scores on the SAT. Following the training, 100 high school students take
Pani-rosa [81]

Answer:

The calculated t-test = 1.717 < 1.6604 at 0.05 level of significance

Null hypothesis is accepted at 0.05 level of significance

A company has developed a training procedure is significantly improve scores

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given  sample mean (x⁻ )  = 517

sample standard deviation (s) =90

Mean of the Population (μ) =500

<em>Null Hypothesis :- H₀ :  </em> (μ) =500

Alternative Hypothesis : H₁ :  μ ≠ 500

<u><em>Step(ii)</em></u>:-

Test statistic

                         t = \frac{x^{-} -mean}{\frac{s}{\sqrt{n} } }

                        t = \frac{517 -500}{\frac{90}{\sqrt{100} } }

                        t  =   1.717

<em>Level of significance</em>

                      ∝ = 0.05

                    t₀.₀₅ = 1.6604

The calculated t-test = 1.717 < 1.6604 at 0.05 level of significance

<u><em>Conclusion</em></u>:-

Null hypothesis is accepted at 0.05 level of significance

A company has developed a training procedure is significantly improve scores

3 0
3 years ago
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