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Mice21 [21]
3 years ago
5

Which point is a solution to the system;

Mathematics
1 answer:
Monica [59]3 years ago
3 0

Answer:

None of the listed

Step-by-step explanation:

Solve-for ;x -in\\ 2x+2y =18\\x = 9-y\\Substitute , 9-y -for ,x- in -2x-2y=-6\\-2(9-y)-2y =-6\\18+2y-2y=-6\\18 = -6\\The -statement- is -false \\Answer ; No -Solution

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Abcdef is a regular hexagon what is its perimeter what is its area
Zanzabum

Answer:

p=36

a=3*\sqrt{3}*18

Step-by-step explanation:

p=sum of all sides

a=(3\sqrt{3}*s^{2})/2

5 0
3 years ago
Solve the following linear equation for k.<br> 2 (k-5) + 3k = k + 6
kiruha [24]

Answer:

2(k-5)+3k=k+6

-3k. -3k

2(k-5)=-2k+6

/2. /2

k-5=-k+3

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2k-5=3

+5. +5

2k=8

/2. /2

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7 0
3 years ago
Hi! Please help, I'd appreciate it!
Romashka-Z-Leto [24]

The volume of sphere is \frac{1372}{3}\pi feet cubed.

Step-by-step explanation:

Given,

Surface area of sphere = 196π square feet

Surface area of sphere = 4πr²

We will find radius of sphere.

4\pi r^2=196\pi

Dividing both sides by 4π

\frac{4\pi r^2}{4\pi}=\frac{196\pi}{4\pi}\\\\r^2=49

Taking square root on both sides

\sqrt{r^2}=\sqrt{49}\\r=7

The radius is 7 feet.

Volume of sphere = \frac{4}{3}\pi r^3

Volume=\frac{4}{3}\pi (7)^3\\\\Volume= \frac{4}{3}\pi *343\\\\Volume = \frac{1372}{3}\pi

The volume of sphere is \frac{1372}{3}\pi feet cubed.

Keywords: volume, surface area

Learn more about surface area at:

  • brainly.com/question/101683
  • brainly.com/question/103144

#LearnwithBrainly

3 0
3 years ago
The length and breadth of a rectangular shaped plot is 1215 m and 527 m respectively. Find its perimeter.
ss7ja [257]

Answer:

3484m

Step-by-step explanation:

Add 1215(2) and 527(2) together

4 0
3 years ago
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Identify the steeper line y = 3x + 4 or y = 6x + 11
VLD [36.1K]

Step-by-step explanation:

the steeper line is y = 6x + 11 because its gradient 6, is bigger than 3

5 0
2 years ago
Read 2 more answers
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