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Anika [276]
2 years ago
5

HELP PLEASE be QUICK

Mathematics
1 answer:
Vedmedyk [2.9K]2 years ago
7 0

Answer:

C=62.83

Step-by-step explanation:

C=2πr

Radius= Diameter/2

C=2π(10)

C=62.83

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Help me with this tooo! It is the question that is not filled in
Kazeer [188]

you will have 8 tables so

72 chair / 8 tables = 9 chair per table

3 0
2 years ago
What are the number of integral solutions of the equation 2x+2y+z=20 such that x>=0 , y>=0 , z>=0?
zaharov [31]
2x+2y+z=20\\
z=\dfrac{20}{2x+2y}\\
z=\dfrac{10}{x+y}

Now, for z to be an integer, the sum x+y must be a divisor of 10. 
It has to be a positive divisor since z≥0. Also x≠y.

x+y=1 \\
x=1-y\\

x≥0 and y≥0 so y can be equal to either 0 or 1. There are 2 solution in this case.

x+y=2\\
x=2-y\\
In this case, y can be equal to 0,1, or 2, but for y=1 ⇒ x=1, so there are two solutions.

x+y=5\\
x=5-y
y can be 0,1,2,3,4 or 5 - 6 solutions

x+y=10\\
x=10-y
y can be 0,1,2,3,4,5,6,7,8,9,10, but for y=5 ⇒ x=5, so 10 solutions.

2+2+6+10=20 solutions in total.
6 0
3 years ago
How many equal slices are in a cake that are in a cake that is divided into quarters?
miskamm [114]
There are 4 equal slices because 25 to 25 to 25 to 25 =100
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3 years ago
Read 2 more answers
Please help!! i also need to show work. <br><br><br> write in vertex form y = -3x^2 - 18x + 12
LuckyWell [14K]

Answer:

3(-x^2-6x+4)

Step-by-step explanation:

-3x^2 - 18x + 12

-3x^2 - (2 x 3^2) x + 2^2 x 3

3 (-3x^2 over 3 - 2x3^2 times x over 3 + 262 x 3 over 3)

3(-(x^2) - (2 x 3^2-1 times x) +2^2

3(-x^2 - (2 times 3x) +4)

3(-x^2-(6x) + 4)

3(-x^2 - 6x + 4)

     

5 0
2 years ago
I WILL MARK U BRAINLYNEST
stiv31 [10]

Answer:

<h3>Step-by-step explanation:</h3>

A)answer: A cross section is the two-dimensional shape that results from cutting a three-dimensional with a plane.

B)answer: A cross section is the face you obtain by making a "slice" through a solid object. A cross section is two-dimensional. ... When a plane intersects a solid figure, the cross sectional face may be a point, a line segment, or a two-dimensional shape such as, but not limited to, a circle, rectangle, oval, or hexagon.

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