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malfutka [58]
3 years ago
13

The formula c = 5p + 215 relates c, the total cost in dollars of hosting a birthday party at a skating rink, to p, the number of

people attending the party.
a. solve for p
b. If Allies parents are are willing to spend $300 for her party, how many people can attend. Show your work.​
Mathematics
1 answer:
emmasim [6.3K]3 years ago
8 0

Answer: a. p = c/5 - 43        b. 17 people

Step-by-step explanation:

c= 5p + 215  

A)  a said solve for p so we will solve for p in the equation.

c= 5p + 215  First   Subtract 215 from both sides

-215     -215  

c - 215 = 5p Now divide both sides by 5.

p = c/5 - 43  

B)  If c is the total cost  of hosting a birthday party then we will input 300 into the equation for c and solve for p.

300 = 5p + 215    First subtract 215 from both sides

-215             -215

 85 = 5p      Divide both sides by 5

 p = 17  

This means  17 people can attend the meeting if Allies parents are willing to spend $300.

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3 years ago
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A 45 kg skydiver has a speed of 25 m/s at an altitude of 950 meters above the ground. Determine the
Montano1993 [528]

The kinetic energy possessed by the skydiver is 14, 062. 5 Joules

<h3>What is kinetic energy?</h3>

Kinetic energy of an object is defined as the energy possessed by an object due to its motion.

It is also described as the work that is required to accelerate a body of mass from rest to its given velocity.

The formula for calculating kinetic energy is expressed as;

Kinetic energy = 1/2 mv²

Where;

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Now, substitute the values

Kinetic energy = 1/2 (45)(25)²

Find the square

Kinetic energy = 1/2 (45)(625)

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Kinetic energy = 1/2(28125)

Find the quotient

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The area of circle can be expressed by the formula A = πr2where r is a radius of circle. express radius in terms of area of circ
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Answer:

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