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fomenos
2 years ago
7

The intersection of two circles can be . Circle? A line segment ? Three points? An arc ?

Mathematics
1 answer:
tamaranim1 [39]2 years ago
4 0

Answer:

I think is A line segment

Step-by-step explanation:

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How tall are my class mates i think
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2 years ago
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The length of a rectangle is the sum of the width and one. The area direct angle 72 units. What’s the length, in units, of the r
insens350 [35]

Answer:

The length of the rectangle is of 9 units.

Step-by-step explanation:

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

ax^{2} + bx + c, a\neq0.

This polynomial has roots x_{1}, x_{2} such that ax^{2} + bx + c = a(x - x_{1})*(x - x_{2}), given by the following formulas:

x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}

x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}

\bigtriangleup = b^{2} - 4ac

Area of a rectangle:

A rectangle has width w and length l. The area is the multiplication of these measures, that is:

A = wl

The length of a rectangle is the sum of the width and one.

This means that l = w+1, or w = l - 1

The area direct angle 72 units. What’s the length, in units, of the rectangle

We want to find the length. So

wl = 72

(l-1)l = 72

l^2 - l - 72 = 0

Quadratic equation with a = 1, b = -1, c = -72. So

\bigtriangleup = (-1)^{2} - 4(1)(-72) = 289

l_{1} = \frac{-(-1) + \sqrt{289}}{2*(1)} = 9

l_{2} = \frac{-(-1) - \sqrt{289}}{2*(1)} = -8

Since the length is a positive measure, the length of the rectangle is of 9 units.

8 0
2 years ago
Death Valley is the location of the lowest land elevation in the USA which is 282 feet below sea level.The location with the hig
il63 [147K]

Answer:

20,038

Step-by-step explanation:

20,320 - 282

7 0
3 years ago
What is 8 - 4k = 40
olya-2409 [2.1K]
8-4k=40
-4k=32
k=-8 is the answer
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3 years ago
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#1-11<br><br> 20 points!!!!!
lesya [120]

Answer:

Step-by-step explanation:

1. 30

2. 23

3. 8

4.52

5.144

6.40

7. 210

8. 144

9. 135

10. 105

11. 2(207)

6 0
3 years ago
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