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2 years ago

500!!!!! please help ME I WILL GIVE BRANILEST AND ANYTHING ELSE U WANT AND I MEAN ANYTHING PLEASE PLEASE HELP ASAP

Mathematics

1 answer:

navik [9.2K]2 years ago

8 0

Answer:

first one is not. parallel second one is not and the third one is

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Why do some numbers from perfect squares and others do not? <br> 3,5,6,8

Damm [24]

Answer:

The perfect squares are the squares of the whole numbers: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100....

Step-by-step explanation:

the square root of 1 is 1 b/c 1^2=1 (and so on)

8 0

2 years ago

What is the area of a circle with the radius of 16 meters?

Vaselesa [24]

Answer: 804 meters

Step-by-step explanation:

Area of a circle = πr²

Radius = 16m

π(16)² = 804.2477193 meters

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1 year ago

Use the distance formula, show that the points (4,0), (2,1), and (-1,-5) form the vertices of a right triangle

mario62 [17]

Step-by-step explanation:

The distance formula between two points:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Substitute the coordinates of the points.

$A(4,\ 0),\ B(2,\ 1),\ C(-1,\ -5)\\\\AB=\sqrt{(2-4)^2+(1-0)^2}=\sqrt{(-2)^2+1^2}=\sqrt{4+1}=\sqrt5\\\\AC=\sqrt{(-1-4)^2+(-5-0)^2}=\sqrt{(-5)^2+(-5)^2}=\sqrt{25+25}=\sqrt{50}\\\\BC=\sqrt{(-1-2)^2+(-5-1)^2}=\sqrt{(-3)^2+(-6)^2}=\sqrt{9+36}=\sqrt{45}$

If a ≤ b < c are the sides of the right triangle, then

a² + b² = c²

$\sqrt5$

used $(\sqrt{a})^2=a$ for a ≥ 0.

$AB^2+BC^2=AC^2$ therefore ΔABC is a right triangle.

6 0

2 years ago

What is the approximate area of the shaded sector in the circle shown below?

BabaBlast [244]

Answer:

The sector given in the figure is a semi-circle because the degree measure of the chord is 180 degrees.

Area of semicircle = 0.5π $r^{2}$ = 0.5π×4.5 = 6.75 sq. inches

4 0

2 years ago

Read 2 more answers

Find the value of x when 6-3x=5x-10x+4

tatuchka [14]

Answer:

x= -1

Step-by-step explanation:

6-3x=5x-10x+4

6-3x=-5x+4

-4 -4

2-3x=-5x

+3x +3x

2=-2

2/-2=-2x/-2

-1=x

7 0

2 years ago