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Vesna [10]
3 years ago
7

If at least one interior angle is a reflex angle, then the polygon is concave. False True

Mathematics
2 answers:
kondaur [170]3 years ago
6 0
The answer would be false
Darina [25.2K]3 years ago
4 0

Answer:

The answar is false

Step-by-step explanation:

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What is the area of this triangle?
Naddika [18.5K]

Answer:

Area of the given triangle = 6.51 ft²

Step-by-step explanation:

If we redraw the triangle as shown in the figure attached we get the height of the triangle as x feet and base = 4.3 feet

Therefore area of ΔABC = (1/2) × Height (AD) × Base(BC)

From ΔABD

sin 53 = AD/AB = x/3.8

x = 3.8 × sin 53

= 3.8 × 0.7986 = 3.03 feet

Now area of ΔABC = (1/2)×3.03×4.3 = 6.51 feet²

5 0
3 years ago
What is the minimum value for z =3x-1/2y over feasibility region defined by the constraints shown above
Sergio039 [100]
To obtain the minimum value of z, the first term of the binomial equation should be as small as possible, while the second term should be as large as possible. Thus, you must choose the lowest boundary of x which is 0. Then, choose the highest boundary of y which is 8. So, we substitute this to the equation:

z=3x- \frac{1}{2}y

z=3(0)- \frac{1}{2}(8)=-4

So, the minimum value of z is -4.
4 0
3 years ago
Read 2 more answers
If f(x) = 5x-2, what is (x)?
LiRa [457]

Answer:

x= 0.4, or x = 2/5

Step-by-step explanation:

To find x you have to replace f(x) with 0 and solve for x

Hope this helps:)

4 0
2 years ago
Should I round my circumference and area of a circle homework or not?
Keith_Richards [23]
I think you should just in case you might even get extra credit. All I know is that teachers love when you round.

3 0
3 years ago
39.341 × 0.72 = _____
My name is Ann [436]

Answer:

28.32552

Step-by-step explanation:

39.331×0.72=28.32552

3 0
2 years ago
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