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Brums [2.3K]
3 years ago
11

Write a system of equations to describe the situation below, solve using substitution, and fill

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
5 0

Answer:

Revenue and Expense = $230

No. of attendees: 10

Step-by-step explanation:

Let n be the no. of attendees

Expense = 50 + 18n

Revenue = 23n

Break even when:

50 + 18n = 23n

50 = 5n

n = 10

23n = 230

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Eugene and three of his friends went out to eat. They decided to split the bill evenly. Each person paid $11. What was the total
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Answer:

Step-by-step explanation:

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8 0
1 year ago
PQ is tangent to the circle at C. In the circle, m (The figure is not drawn to scale.)
Yuri [45]

Answer:

65°

Step-by-step explanation:

From the figure we can see a circle.

It is given that, measure of arc AD = 80°  therefore m<ACD = 80/2 = 40°

Also m<D = 75°

<u>To find the measure of <DCQ</u>

We know that, an angle made by a tangent and chord is equal to the angle made by the angle made by the chord on other side of the circle.

Here m<DCQ = m<CAD

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Therefore m<DCQ = m< CAD = 65°

The correct answer is third option.

5 0
3 years ago
Find the volume of a sphere made by rotating a circle with a radius of 12 inches. Use 3.14 for π and round to nearest whole numb
nydimaria [60]
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= 4/3×3.14×12^3
= 7234.56
~ 7235
5 0
3 years ago
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