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3 years ago

Which type(s) of symmetry does the figure have?

Mathematics

2 answers:

Oliga [24]3 years ago

8 0

The answer is C

i hope this helps and have a wonderful day :))

WINSTONCH [101]3 years ago

4 0

It has C. Rotational.... 180 degree rotational symmetry

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Assume that all grade-point averages are to be standardized on a scale between 0 and 6. How many grade-point averages must be

yanalaym [24]

Answer:

The sample size 'n' = 72,030

Step-by-step explanation:

Step(i):-

Given that the Estimate Error = 0.013

Given that the standard deviation of the Population = 1.5

The estimated error is determined by

$E = \frac{Z_{0.98} S.D }{\sqrt{n} }$

Step(ii):-

Given that the Level of significance = 0.98 or 0.02

Z₀.₀₂ = 2.326

The estimated error is determined by

$E = \frac{Z_{0.98} S.D }{\sqrt{n} }$

$0.013 = \frac{2.326 X 1.5 }{\sqrt{n} }$

$\sqrt{n} = \frac{3.489}{0.013} = 268.38$

Squaring on both sides, we get

n = 72,030

Final answer:-

The sample size 'n' = 72,030

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3 years ago

HELP !!!! Evaluate the expression for the given value of the variable 60/m; m = 5

Savatey [412]

Answer: 12

Step-by-step explanation:

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3 years ago

What is 1/2 divided by 6?

jok3333 [9.3K]

Answer:

1/12 or 0.0833

Step-by-step explanation:

1/2 divided by 6

1/2x6

1/12!

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3 years ago

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Find the area of the circle whose equation is x2+y2=6x-8y

Semenov [28]

Answer:

Given that the equation of a circle is :

$\green{ \boxed{\boxed{\begin{array}{cc} {x}^{2} + {y}^{2} = 6x - 8y \\ = > {x}^{2} + {y}^{2} - 6x + 8y = 0 \\ = > {x}^{2} + {y}^{2} + 2 \times ( - 3) \times x + 2 \times 4 \times y = 0 \\ \\ \sf \: standard \: equation \: o f \: circle \: is : \\ {x}^{2} + {x}^{2} + 2gx + 2fy + c = 0 \\ \\ \sf \: by \: comparing \\ \\ g = - 3 \\ f = 4 \\ c = 0 \\ \\ \sf \: radius \: \: r = \sqrt{ {g}^{2} + {f}^{2} - c } \\ = \sqrt{ {( - 3)}^{2} + {4}^{2} - 0 } \\ = \sqrt{9 + 16} \\ = \sqrt{25} \\ = 5 \: unit \\ \\ \bf \: area \: = \pi {r}^{2} \\ = \pi \times {5}^{2} \\ =\pink{ 25\pi \: { unit }^{2} }\end{array}}}}$

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3 years ago

James bought the computer which was discounted from $350 to $273. What is the discount rate?

sasho [114]

<h3>Answer: 22%</h3>

Explanation:

amount saved = 350-273 = 77 dollars.

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2 years ago

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