What is the equation of the axis of symmetry?

Mathematics

1 answer:

Anit [1.1K]3 years ago

5 0

Answer:

x = 1

Step-by-step explanation:

Line of symmetry: x = h,

Where h is the x-coordinate of the vertex

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The large rectangle below represents one whole.

Sonja [21]

Answer:

40%

Step-by-step explanation:

<h3>so have 5 rectangles in a whole.</h3><h3>we also have 2 shaded potions in that whole which represents 2/5 shaded potions.</h3>

<h3>2/5 in fraction =0.4</h3>

<h3>Now Change 0.4 to percentage by multiplying 0.4 by 100</h3>

<h3>0.4 x 100 = 40</h3><h3>Therefore the percentage represented by the shaded area is 40%</h3><h3> </h3><h3>Hope this helps.</h3><h3>Good luck ✅.</h3>

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2 years ago

Two number cubes are rolled. What is the probability that the sum of the numbers rolled is either 3 or 9?. A.1/6. B.1/13. C.1/18

Elis [28]

So 6 times 6 is 36 so 36 possibilities and the number that add up to 3 or nine are (2,1; 3,6; 4,5;) so 3 out of 36 or 1 out of 12, the answer is not there

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3 years ago

In a large school district, 16 of 85 randomly selected high school seniors play a varsity sport. in the same district, 19 of 67

Mashcka [7]

Answer:

Standard Error of the difference = 0.0695

Step-by-step explanation:

Its given that : In a large school district, 16 of 85 randomly selected high school seniors play a varsity sport

$\implies P_1=\frac{16}{85}\\\\n_1=85$

Also, in the same district, 19 of 67 randomly selected high school juniors play a varsity sport

$\implies P_1=\frac{19}{67}\\\\n_2=67$

Now, finding the standard error of the difference :

$\text{Standard Error = }\sqrt{\frac{P_1(1-P_1)}{n_1}+\frac{P_2(1-P_2)}{n_2}}\\\\\implies \text{Standard Error = }\sqrt{\frac{\frac{16}{85}(1-\frac{16}{85})}{85}+\frac{\frac{19}{67}(1-\frac{19}{67})}{67}}\\\\\implies\text{Standard Error = }0.0695$