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3 years ago

Describe 2 characteristics of similar polygons

Mathematics

1 answer:

dangina [55]3 years ago

7 0

Similar polygons have same number of sides, and interior angles are congruent.

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Find the coordinates of the points of intersection of the parabola y=x^2+3x-4 and the line y=2x+2

lana [24]

You can set the y values equal to each other and solve the system:

x^2+3x-4=2x+2
x^2+x-6=0
(x+3)(x-2)=0
x=-3,2

So, these are the x values of the intersection. To get the y values, you can just plug them back into either formula:

y=2(-3)+2
y=-4

y2(2)+2
y=6

So the coordinates are (-3,-4) and 2,6).

6 0

3 years ago

On Wednesday afternoons, eight men play tennis on two courts. They know ahead of time which four will play on the north court an

musickatia [10]

Answer:

(A)

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

PLEASE HELP now I really need to know

Leona [35]

Answer:

Step-by-step explanation:

-2.5 + 5n - 1.5n

-2.5 + 3.5n

Option B is the correct answer

6 0

2 years ago

Read 2 more answers

Find the probability that a randomly

Lerok [7]

Fine the area of the circle:

Area of a circle = pi x r ^2

Area of the circle = 3.14 x 4^2 = 50.24 square cm

Find the area of the triangle:

Area of triangle = 1/2 x base x height

Area =1/2 x 8 x 4 = 16 square cm

Find the area of the white part by subtracting the area of the triangle from the circle:

50.24 - 16 = 34.24 square cm.

The probability of landing in white is the area of white/ area of circle:

34.24/50.24 = 0.682

Multiply by 100 to get percent:

0.682 x 100 = 68.2%

4 0

3 years ago

The length and breadth of a rectangle are x CM and y CM respectively if the rectangle has an area of 24cm state the possible pai

ELEN [110]

Answer:

The possible pairs of integer values of x and y are (24 ,1), (12,2), ,(8,3), and (6,4) .

Step-by-step explanation:

The length of the rectangle = x cm

The breadth of the rectangle = y cm

Area = 24 sq cm

Now,as x and y are both sides of the rectangle so, x and y ARE STRICTLY POSITIVE.

Also, AREA OF RECTANGLE = LENGTH X BREADTH

⇒ x y = 24 , x >y

So, all possible values of (x,y) = (24 ,1), (12,2), ,(8,3), and (6,4)

Hence, for area to be 24 sq units there are 4 possible dimensional sets.

5 0

3 years ago