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hram777 [196]
3 years ago
14

Is my answer correct? --> tell me why i'm wrong if that's the situation please!!

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
8 0

Answer:

the correct one is c, which is the second option

Step-by-step explanation:

The exterior angle of a polygon is 360.

And for a rectangle, they have equal exterior angles.

So a rectangle has 4 sides

So each exterior angle=360/4

Then each is 90°

Then the correct c which has 90°

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What are the features of the parabola modeled by the equation f(x) = x2 - 114x ?
notsponge [240]

Answer:

Answers are in bold type

Step-by-step explanation:

f(x) = x^{2} -144x

The parabola opens up, so has a minimum at the vertex.

Let (h, k) be the vertex

h = -b/2a = - (-144)/2(1) = 57

k = 57^2 - 144(57) = 3249 - 6498 = -3249

Therefore, the vertex is (57, -3249)

The minimum value is -3249

The domain is the set of real numbers.  

The  range = {y | y ≥ -3249}

The function decreases when -∞ < x < 57  and increases when 57 > x > ∞

The x - intercepts:  x^{2} -144x = 0

                                x(x - 114x) = 0

                                x = 0 or x = 114

x-intercepts are (0, 0) and (0, 114)

When x = 0, then we get the y-intercept.  So, 0^2 - 114(0) = 0

y-intercept is (0, 0)

3 0
3 years ago
Find the area for the given shape below
Ket [755]
To find the area of a triangle given its base and its height, use the formula A = bh/2.

The base of the triangle is 14m.
The height of the triangle is 10m.

Plug these values into the formula and solve.

A = bh/2
A = 14(10)/2
A = 140/2
A = 70

Answer:
The area of the triangle is 70 m².
8 0
3 years ago
If the sin 60 degrees is 3/2, then the cos ______ degrees = ______.
PSYCHO15rus [73]

Answer: If the sin 60 degrees is 3/2, then the cost is 22 degrees and equals a bunch of like 88 degrees

Step-by-step explanation:

7 0
3 years ago
9x-6=4x+19 I don't understand this please help 10 points
Hunter-Best [27]
5x+25 final answer is x=5
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3 years ago
Out of 15 serves in a volleyball game, 0.6 of them were in bounds. What percent of the serves were in bounds?
Anon25 [30]
Im assuing the 0.6 is a percentage and not the number of  passes then :

100% - 60% = 40%


4 0
3 years ago
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