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MrRa [10]
3 years ago
6

Identify the property used to the following statements

Mathematics
1 answer:
Law Incorporation [45]3 years ago
8 0

Answer:

co.mutative property

Step-by-step explanation:

you can switch the terms around

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What is the approximate area of the regular pentagon?
Anastasy [175]

Area of the pentagon: 342 cm2

Step-by-step explanation:

The figure of the pentagon is missing: find it in attachment.

The area of the pentagon can be seen as the area of 5 equal triangles, each of them having a base equal to the length of the side of the pentagon,

L = 14.1 cm

and the height of each triangle can be found by using Pythagorean's theorem:

h=\sqrt{12^2-(\frac{L}{2})^2}=\sqrt{12^2-(\frac{14.1}{2})^2}=9.7 cm

The area of each of the 5 triangles is

A'=\frac{1}{2}Lh

Therefore, the area of the pentagon is 5 times this area:

A=5A'=\frac{5}{2}Lh=\frac{5}{2}(14.1)(9.7)=342 cm^2

Learn more about area of regular figures:

brainly.com/question/4599754

brainly.com/question/3456442

brainly.com/question/6564657

#LearnwithBrainly

7 0
3 years ago
Read 2 more answers
HELP WILL HIVE POINTS!!
telo118 [61]

Answer:

option a

optio d

are correct

if i am wrong correct me.

3 0
3 years ago
For Jozlyn2004. I will give u BRAINLIEST!
drek231 [11]

Step-by-step explanation:

(14)

Since the rope encloses the circular pool.

Therefore, circumference of pool c = 94.2 inches

Circumference of circle is given by the formula:

c = \pi \: d \\  \\ d =  \frac{c}{\pi}  \\  \\  =  \frac{94.2}{3.14}  \\  = 30 \: inches \\ hence \: diameter \: of \: pool \:  = 30 \: inches \\\\\bold{(15)}  \\ Area \: of \: trapezoid \\  =  \frac{1}{2}  \times (68 + 36) \times 30 \\  = 104 \times 15 \\  = 1,560 \:  {ft}^{2}  \\

7 0
3 years ago
Pls helpppp me I’m super stuckkk
weeeeeb [17]

Answer:

slope=2

Step-by-step explanation:

subrtract -4-(-4) the two negatives make it a + so that becomes 8 and thats for the top one the bottom is 6-2 which is 4 then divide 8 by 4 to find the slope which is 2.

5 0
3 years ago
On a fair 6-sided die each number has an equal probability p of being rolled. When a fair die is rolled n times, the most likely
Feliz [49]
A 1.5 standard deviation above the mean is
np + 1.5 <span>√(np(1-p))

We are given with
np = 200
p = 200/n
The standard deviation is
</span><span>√200(1-200/n))

Substituting
200 + 1.5 </span>√200(1-200/n))
By inspection, if the value of n is 200, then the radical will result to the value of 1. Only by increasing the value of n greater than 200 will the radical result to a value of less than 1 and decreasing the spread of the mean.
The answer is
the minimum is 201
the maximum is infinity
3 0
3 years ago
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