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Black_prince [1.1K]
3 years ago
14

Which of the following examples has a unit price of $5.00? Select all that apply.

Mathematics
1 answer:
zubka84 [21]3 years ago
8 0

E, D, and A.

well because it can be divide my 5.

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Please help, i dont understand an ounce of this
nignag [31]

Let x be the length of each side of the nonagon. We then split up the nonagon into 9 congruent, isosceles triangles, each with base = x and height = 12. Then the area of each triangle is 1/2 • x • 12 = 6x, so the total area of the nonagon will be 9 • 6x = 54x.

To find x, we can use some facts from geometry and trigonometry.

• In any polygon, the sum of the measures of the exterior angles is 360°. So each of these exterior angles will measure 360°/9 = 40°.

• Exterior angles are supplementary to the interior angles. So each interior angle will measure 180° - 40° = 140°.

• Each of the 9 triangles are isosceles with base angles measuring half the interior angles of the nonagon, 140°/2 = 70°.

• Cut the triangle in half along the labeled inradius of the nonagon, which has length 12. In the resulting right triangle, we have

tan(70°) = 12 / (x/2)

and solving for x gives

tan(70°) = 24/x

x = 24/tan(70°)

x = 24 cot(70°) ≈ 8.7

Then the total area of the nonagon is

54x = 54 • 24 cot(70°) ≈ 471.7

4 0
2 years ago
Mike's Bikes charges an initial fee of $10 to rent a bike plus $5 per hour (h) of use. If the total cost (t) can be determined u
Juli2301 [7.4K]

Answer:

It is 3 hrs.

Step-by-step explanation:

because the ten dollars of initial fee takes off the 25 dollars, we have 15 left, and mike's bikes charges $5/hour, so 15/3+=5

6 0
3 years ago
Can you please help me with this question. ​
blondinia [14]

Answer:

<h3>a. </h3>

Step-by-step explanation:

this my answer is perfect yap

4 0
3 years ago
What is the following sum?<br> 5(3squareroot x) +9 (3squareroot x)
Volgvan

\sf{14(\sqrt[3]{x}) }

Step-by-step explanation:

5(\sqrt[3]{x})+9(\sqrt[3]{x})\\\\(5+9)(\sqrt[3]{x})\\\\14(\sqrt[3]{x})

7 0
2 years ago
What is the volume of the triangular prism?
nekit [7.7K]
12 if not just look it up on quiz lit and you’ll get it it’s on safari or use scan and solve
3 0
2 years ago
Read 2 more answers
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