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3 years ago

8

Which polygon will always be irregular?

2 answers:

yanalaym [24]3 years ago

4 0

The best answer choice seems to be B) trapezoid

storchak [24]3 years ago

3 0

The correct answer is hexagon

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Simplity 2(- 4)+7(x + 2).

Evgesh-ka [11]

Answer:

Step-by-step explanation:

To find your answer you first have to multiply the numbers that aren’t in parentheses and you multiply 2 and 7 and you get 14 then you don’t have to worry about the x because it is a variable so now add -4 +2. but first we have to turn negative into positive so you add -4 + 8

7 0

2 years ago

Which of the numbers below belong to both of natural numbers and set of integers?

Pepsi [2]

The answer is B. Natural numbers are {1,2,3,4...} so basically positive. Intergers consist of 0 so it can range from -#s to +#s

7 0

2 years ago

A tortoise moves forward 15 meters in one hour. It turns around and crawls 10 meters in the

schepotkina [342]

Answer:

Below.

Step-by-step explanation:

15+10+8=33.

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2 years ago

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Tara wants to fix the location of a mountain by taking measurements from two positions 3 miles apart. From the first position, t

Black_prince [1.1K]

Answer:

Shortest distance from the mountain is 3.17 miles.

Step-by-step explanation:

From the figure attached,

Let a mountain is located at point A.

Angle between the mountain and point B (∠B) = 53°

Angle between the mountain and point C (∠C) = 78°

Distance between these points = 3 miles

Since, m∠A + m∠B + m∠C = 180°

m∠A + 53° + 78° = 180°

m∠A = 180°- 131° = 49°

By applying sine rule in triangle ABC,

$\frac{\text{sin}(49)}{BC}=\frac{\text{sin}(53)}{AC}= \frac{\text{sin}(78)}{AB}$

$\frac{\text{sin}(49)}{3}=\frac{\text{sin}(53)}{AC}= \frac{\text{sin}(78)}{AB}$

$\frac{\text{sin}(49)}{3}=\frac{\text{sin}(53)}{AC}$

AC = $\frac{3\text{sin}(53)}{\text{sin}(49)}$

AC = 3.17 miles

$\frac{\text{sin}(49)}{3}=\frac{\text{sin}(78)}{AB}$

AB = $\frac{3\text{sin}(78)}{\text{sin}(49)}$

AB = 3.89 miles

Therefore, shortest distance from the mountain is 3.17 miles.

7 0

2 years ago

2+2+2+2+2÷2×2-2-2-2-2

tresset_1 [31]

Step-by-step explanation:

2+2+2+2+2÷2×2-2-2-2-2=2

4 0

2 years ago

Read 2 more answers