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3 years ago

When was pi discovered

2 answers:

8 0

Pi was discovered way back already the way to Babylonians and Egyptians 216 BC but none were all the way accurate they were close

Scilla [17]3 years ago

3 0

Answer:

As early as 1900 BC, geometers from ancient civilizations such as Babylon, India, and Egypt, are already aware of one fundamental property of the circle: that a circle’s circumference is always a little over three times that of its diameter. A more precise value was not available however as each of the civilizations computed pi only within 1% of its actual value.

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Harper works at an electronics store as a salesperson. Harper earns a 6% commission on the total dollar amount of all phone sale

agasfer [191]

Answer:

The system of equations are

x + y = 2600 …….equation (1)

and, 6x + 5y = 13700 ……equation (2)

Explanation:

Let x = amount of sales of phone;

y = amount of sales of computer

For phone, 6% of sales is 6% of x, or 6% * x = 0.06x.

Similarly for computer,

5% of y = 0.05y

Given the total sales; x + y = 2600

And commission; 0.06x + 0.05y = 137; or 6x + 5y = 13700

Therefore the system of equations are

x + y = 2600 …….equation (1)

6 x + 5 y = 13700 ……equation (2)

7 0

3 years ago

4, 9, 13, 18, The common difference 'd' is

Ivanshal [37]

Answer:

There is no common difference

Step-by-step explanation:

4 9 13 18

diff 5 4 5

Because the difference between 9 and 13 is 4

and the difference in the other terms is 5

there is no common differeence

7 0

2 years ago

If the mean of the data below is 3.8, find m x 1 2 3 4 5 6 f 1 4 7 m 6 3

zloy xaker [14]

Answer:

m = 1.8

Step-by-step explanation:

Given data is as follows :

x 1 2 3 4 5 6

f 1 4 7 m 6 3

We need to find the value of m if the mean of the data is 3.8.

Mean = sum of observations/no. of observations

So,

$3.8=\dfrac{1+4+7+m+6+3}{6}\\\\22.8=21+m\\\\22.8-21=m\\\\m=1.8$

So, the value of m is equal to 1.8.

8 0

3 years ago

Which formulas can be used to find the surface area of a right prism where p is the perimeter of the base, h is the height of th

svetoff [14.1K]

Answer:

SA=BA+LA and SA=BA+ph

Step-by-step explanation:

I just looked it up

6 0

3 years ago

Please help me with this question by using completing the square (alg 2). The answer should be (2, -6)

Lorico [155]

Answer:

(2, -6)

Step-by-step explanation:

5n^2+20n-60

(5n+30)(n-2)

5n + 30 = 0

5n = -30

(5n = -30)/5

n = - 6

n - 2 = 0

n = 2

answer: (2, -6)

7 0

2 years ago