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3 years ago

15 POINTS!!!Which of the following tessellations is a pure tessellation?

Mathematics

1 answer:

Art [367]3 years ago

5 0

The 3rd one

Pure tessellations- uses only one shape

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If a=under root s(s-a)(s-b)(s-c) then the value of a, when a =3 b =4c = 5 and s =a+b+c by 2

kramer

Answer:

Step-by-step explanation:

Here it's given that ,

$\sf\red{\longrightarrow} A=\sqrt{s(s-a)(s-b)(s-c)}$

Also ,

$\sf\red{\longrightarrow} s =\dfrac{a+b+c}{2}$

And we need to find out the value of A , when

a = 3
b = 4
c = 5

So , on substituting the respective values to find s we have ,

$\sf\red{\longrightarrow} s =\dfrac{3+4+5}{2}=\dfrac{12}{2}=\bf{6}$

Now let's find out A as ,

$\sf\red{\longrightarrow} A = \sqrt{6(6-3)(6-4)(6-5)} \\$

$\sf\red{\longrightarrow}A =\sqrt{6 * 3 * 2 * 1}\\$

$\sf\red{\longrightarrow} A = \sqrt{3^2 * 2^2 *1^2}\\$

$\sf\red{\longrightarrow}A = 3*2\\$

$\sf\red{\longrightarrow}\boxed{\qquad \blue{\bf A = 6 \qquad}}$

7 0

2 years ago

Amanda is building a fence. She needs a pole to measure 4 5\6 feet from the ground. How can she write it as a fraction.

aleksklad [387]

4 5/6 would be your answer then you figure out how to take away the whole number

6 0

3 years ago

Read 2 more answers

What is 50g as a percentage of one kg?

Lelechka [254]

Answer:

5 %

Step-by-step explanation:

1000 g = 1 kg

50 kg = 0.05 kg

0.05 = 5%

Therefore, 50 g as a percentage of 1kg is 5%.

3 0

3 years ago

6. Compare 1⁄2 with 3⁄4 using ( <, >, =). A. None of the above B. 1⁄2 = 3⁄4 C. 1⁄2 < 3⁄4 D. 1⁄2 > 3⁄4

disa [49]

C. because 3/4 is more than 1/2.

5 0

2 years ago

The present value of $100 to be received 10 years from today, assuming an opportunity cost of 9 percent, is

Alona [7]

An opportunity cost of 9 percent, is $42.

We have given that,

The present value of $100 is to be received 10 years from today,

assuming an opportunity cost of 9 percent,

present value =$100

N=10 years

I/y=9

<h3>What is the formula for the present value?</h3>

PV= FV/(1+r)^n

Where FV is the future value.

Use the given values in the formula we get,

Therefore the correct answer is 42.

To learn more about the present value visit:

brainly.com/question/20813161

#SPJ1

7 0

1 year ago