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Darya [45]
3 years ago
9

What is 2p times p? plz help

Mathematics
1 answer:
natulia [17]3 years ago
4 0

2p*p= 2p^2  because when you multiply p by p it squares it, then you keep the 2 in front of it
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The main show tank has a radius of 70 feet and forms a quarter sphere what is the volume of the quarter sphere shaped tank?
Usimov [2.4K]

Answer:

359333.33\textrm{ }ft^{3}

Step-by-step explanation:

Given:

Radius of spherical tank, r=70\textrm{ ft}

Volume of a quarter of a sphere is given as:

V=\frac{1}{3}\pi r^{3}

Plug in 70 ft for r, \frac{22}{7} for \pi and solve for the volume, V. This gives,

V=\frac{1}{3}\pi r^{3}\\\\ V=\frac{1}{3}\times \frac{22}{7}\times (70)^{3}\\\\ V=359333.33\textrm{ }ft^{3}

Therefore, the volume of the quarter sphere shaped tank is 359333.33\textrm{ }ft^{3}

4 0
4 years ago
Where was the first place math was found?
Flauer [41]

Answer:

Mesopotamia

Step-by-step explanation:

The oldest clay tablets with mathematics date back over 4,000 years ago in Mesopotamia. The oldest written texts on mathematics are Egyptian papyruses.

8 0
4 years ago
The difference of two numbers is 15.Five times the smaller is the same as 9 less than twice the larger.Find the numbers
Lana71 [14]

Answer:

small number = -3

large number = 12

Step-by-step explanation:

Suppose two numbers are x and y

smaller number = x

larger number = y

Given that,

The difference of two numbers is 15

<h2>Equation 1</h2><h3>y - x  = 15</h3>

Five times the smaller is the same as 9 less than twice the larger.

<h2>Equation 2</h2><h3>5x = 9 - 2y</h3>

Solve them

-x = 15 - y

x = y -15

put value of x in equation 2

5(y - 15) = 9 - 2y

-75 + 5y = 9 - 2y

-75 - 9 = -2y - 5y

-84 =  -7y

y = 84/7

y = 12

x = 12 - 15

x = -3  

8 0
3 years ago
HELP PLEASE
jok3333 [9.3K]

Answer:

b

Step-by-step explanation:

I mean I believe its b it looks like theres three

3 0
3 years ago
The point $(p,9)$ lies on line $k$ shown here. What is the value of $p$?
blagie [28]

Answer:

(10,9) P=10

Step-by-step explanation:

find the slope first: y2-y1/x2-x1=(3-1)/1-(-2)=2/3

y=2/3x+b

find b:

3=2/3(1)+b

b=3-2/3

b=7/3

now we find P

(p,9) input the y in the equation

y=2/3 x+7/3

9=2/3x+7/3

9-7/3=2/3x

x=10

3 0
3 years ago
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