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vichka [17]
3 years ago
15

Which polygon has an interior angle sum of 900°

Mathematics
2 answers:
sleet_krkn [62]3 years ago
6 0

Answer:

D

Step-by-step explanation:

Sum of interior angle = (n-2)180

900 = (n - 2)180

Opening bracket

900 = 180n - 360

180n = 900 + 360

180n = 1260

n = 1260/180

n = 7

yulyashka [42]3 years ago
5 0

Answer:

? i think it d

Step-by-step explanation:

you need to find one with congruent sides (equal)

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Sum and Product of zeroes of the quadratic polynomial 16s² - 16s + 4 respectively is:Sum and Product of zeroes of the quadratic
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Answer:

The sum and product of zeroes are 1 and 1/4, respectively.

Step-by-step explanation:

To determine the zeroes of the quadratic polynomial, let equalize the polynomial to zero and solve in consequence:

16\cdot s^{2}-16\cdot s + 4 = 0

By the General Quadratic Formula:

s_{1,2} = \frac{16\pm \sqrt{(-16)^{2}-4\cdot (16)\cdot (4)}}{2\cdot (16)}

s_{1,2} = \frac{1}{2}

Which means that zeroes are s_{1}=s_{2}=\frac{1}{2}.

The sum and product of zeroes are, respectively:

s_{1}+s_{2} =\frac{1}{2}+\frac{1}{2}

s_{1}+s_{2} = 1

s_{1}\cdot s_{2} = \left(\frac{1}{2} \right)^{2}

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The sum and product of zeroes are 1 and 1/4, respectively.

4 0
3 years ago
A local high school has 1,203 students with 367 freshmen, 382 sophomores, 249 juniors, and 205 seniors. What is the relative fre
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The relative frequency of students who are not seniors at this high school will be 82.96%.

<h3>How to find how much percent 'a' is of 'b'?</h3>

Suppose a number is 'a'

Suppose another number is 'b'

We want to know how much percent of 'b' is 'a'.

Then, it is calculated as:

P = a/b × 100

A local high school has 1,203 students with 367 freshmen, 382 sophomores, 249 juniors, and 205 seniors.

Then the relative frequency of students who are not seniors at this high school will be

P = 998/1203 × 100

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P ≈ 82.96%

Learn more about percent here:

brainly.com/question/11549320

#SPJ1

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