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Trava [24]
3 years ago
10

The coordinates below represent two linear equations. How many solutions does this system of equations have? Line 1 x y –1 6 0 4

Line 2 x y 0 7 1 5 A. 0 B. exactly 1 C. exactly 2 D. infinitely many
Mathematics
1 answer:
iren2701 [21]3 years ago
8 0

I think you need to retype this one. The formatting makes this question difficult to understand.

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What is the radius of a sphere with a surface area of 100TCm ?
tensa zangetsu [6.8K]

The radius is 5cm

Step-by-step explanation:

The surface area of a sphere is given by:

SA = 4\pi r^2

Here

Given

SA = 100π cm^2

Putting the values in the formula

100\pi = 4\pi r^2\\r^2 = \frac{100\pi}{4\pi}\\r^2 = 25

Taking square root on both sides

\sqrt{r^2} = \sqrt{25}\\r = 5 cm

The radius is 5cm

Keywords: Surface area, Radius

Learn more about surface area of sphere at:

  • brainly.com/question/1388658
  • brainly.com/question/1386181

#LearnwithBrainly

7 0
3 years ago
Which relationship between x and y in the equation shows a proportional relationship?
Marat540 [252]

Answer:

A

Step-by-step explanation:

4 0
3 years ago
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Simplify the following expression: (−1)(−7)(4)<br><br> 12<br> 28<br> −12<br> −28
Alex_Xolod [135]
28 is the correct answer!!!!!
3 0
3 years ago
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Which equation has the same solution as this equation?
lesya [120]

Answer:

3rd Option is correct.

Step-by-step explanation:

Given Equation:

x² - 16x + 12 = 0

First We need to find solution of the given equation.

x² - 16x + 12 = 0

here, a = 1   , b = -16  &  c = 12

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

x=\frac{-(-16)\pm\sqrt{(-16)^2-4(12)}}{2}

x=\frac{16\pm\sqrt{256-48}}{2}

x=\frac{16\pm\sqrt{208}}{2}

x=\frac{16\pm4\sqrt{13}}{2}

x=8+2\sqrt{13}\:\:andx=8-2\sqrt{13}

Now,

Option 1).

( x - 8 )² = 144

x - 8 = ±√144

x - 8 = ±12

x = 8 + 12 = 20   and x = 8 - 12 = -4

Thus, This is not correct Option.

Option 2).

( x - 4 )² = 4

x - 4 = ±√4

x - 4 = ±2

x = 4 + 2 = 6   and x = 4 - 2 = 2

Thus, This is not correct Option.

Option 3).

( x - 8 )² = 52

x - 8 = ±√52

x - 8 = ±2√13

x  = 8 + 2√13   and x = 8 - 2√13

Thus, This is correct Option.

Option 4).

( x - 4 )² = 16

x - 4 = ±√116

x - 4 = ±4

x = 4 + 4 = 8  and x = 4 - 4 = 0

Thus, This is not correct Option.

Therefore, 3rd Option is correct.

8 0
3 years ago
Plz do all plz i will give brainlest and thanks to best answer
Talja [164]

Answer: 25.     -17, -14, -3, 0, 2, 7

26.                          -26, -21, -13, -1,  5

27.   -17, -16, -11, -4, 2, 9

28.    -75, -63, -60, -52, 12, 70

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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