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Alchen [17]
3 years ago
10

Keisha is planning a barbecue for her family. there will be 9 people in attendance at the barbecue. Each person can eat 3/4 of a

pound of steak.How many pound of steak will she need? between what two whole numbers the amount of steak she needs lie? T_bome steaks are $4.99 per pound including the bone.Sirloin steak is $:5.49 per pound and is boneless. Bone is 1/10 the Wright of steak. To assure that there is plenty of meat to eat and for leftover, Keisha decides to cook 10 pounds of steak, not counting the bone. which steak is the better buy?
Mathematics
2 answers:
disa [49]3 years ago
5 0
T_Bone steak because it cost less
Svetlanka [38]3 years ago
4 0
T bone i think but you may want to check it.
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I have 8 slices of pizza in a box, all 8 are triangle shaped, my perimeter is 43.98 Octagon with each edge 5.49 inches. So, I ne
kondor19780726 [428]

Answer:

1) The area of the circle pizza is approximately 161.64 in.²

2) The area of the octagon shaped pizza is approximately 145.52 square inches

Step-by-step explanation:

The 8 slices of pizza combine to form the composite octagon

The parameters of the pizza are;

The perimeter of the octagon = 43.98 inches

The length of each (outer) edge of the octagon = 5.49 inches

The outer edge of the octagon = The base of the triangle shaped pizza

Let θ represent the vertex angle of the triangle shaped pizza

Therefore, we have;

θ = (The angle at the center point of the pizza)/8 = 360°/8 = 45°

The vertex angle of the triangle shaped pizza, θ = 45°

We note that a triangle shaped pizza is isosceles shaped, therefore, the base angles are given as follows;

The base angles of a piece of pizza = (180° - (angle at vertex))/2

∴ The base angles of a piece of pizza = (180° - 45°)/2 = 67.5°

The length, 'l', of the other sides of the triangle shaped pizza is given by sine rule as follows;

l/(sin 67.5°) = 5.49/(sin(45°)

∴ l = (sin 67.5°) × 5.49/(sin(45°)

l = (sin 67.5°) × 5.49/(sin(45°) ≈ 7.173

The length of the other sides of the triangle shaped pizza, l ≈ 7.173 inches

1) The length of the other sides of the triangle shaped pizza, l = The radius of the circle, r

The area of the circle = π·l²

∴ The area of the circle ≈ π × (7.173 in.)² ≈ 161.64 in.²

2) The area of each triangle piece of pizza is given as follows;

The area of a triangle, A = 1/2×l·b·sin(C)

∴ A = 1/2× 5.49 × 7.173 × sin(67.5°) ≈ 18.19

The area of each triangle piece of pizza, A ≈ 18.19 inches²

The total area of 8 slices of octagon shaped pizza, TA ≈ 8 × A

∴ TA ≈ 8 × 18.19 inches² ≈ 145.52 inches²

The total area of 8 slices of octagon shaped pizza, TA ≈ 145.52 inches²

4 0
2 years ago
Find the quotient. -10d 4e3f 5 ÷ 15d 2e 2f
ruslelena [56]
<span>2/3d2ef5 i believe, hope it helps

</span>
8 0
3 years ago
Please help me idk this
Murljashka [212]

Answer:

5/7

Step-by-step explanation:

we find the greatest number that can be multiplied to get each number. it is 11. 11 goes into 55 5 times, and into 77 7 times therefore giving us 5/7

7 0
3 years ago
What is the slope of the line segment AB? (5 points) A.2 B.−2 C.−1 over 2 D.1 over 2
Katen [24]
The slope should be one over two.
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3 years ago
A parking garage charges $5.50 to park for 4 hours and $7.75 to park for 7 hours. If the cost is a linear function of the number
Veseljchak [2.6K]
Given:
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4                 5.50
7                 7.75

7 - 4 = 3 hours
7.75 - 5.50 = 2.25

2.25 / 3 = 0.75

0.75 is the change in amount for every hour spent. It is the variable unit rate

4 hours is 5.50.

Cost of parking for 3 hours is: 5.50 - 0.75 = 4.75

0.75 x 4 hours = 3 
5.50 - 3 = 2.5 fixed charge.

total parking charge:  y = 2.50 + 0.75x
5 0
3 years ago
Read 2 more answers
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