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Ahat [919]
2 years ago
13

Set up the correct type of variation equation. V=r^2hkV=r^2hV=kr^2hV=k(r+h)​

Mathematics
1 answer:
Ede4ka [16]2 years ago
4 0

Answer:

V = kr²h

Step-by-step explanation:

Given that V varies jointly with r² and h, then the equation relating them is

V = kr²h ← k is the constant of variation

Note that joint variation involves the product of the joint quantities

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Interpreting composite functions in the real world The volume of air in a balloon is represented by the function v(r)=4/3 ³, whe
adoni [48]

There are two <em>true</em> statements:

  1. When the function is composed with r, the <em>composite</em> function is V(t) = (1/48) · π · t⁶.
  2. V(r(6)) shows that the volume is 972π cubic inches after 6 seconds.

<h3>How to use composition between two function</h3>

Let be <em>f</em> and <em>g</em> two functions, there is a composition of <em>f</em> with respect to <em>g</em> when the domain of <em>f</em> is equal to the range of <em>g</em>. In this question, the <em>domain</em> variable of the function V(r) is replaced by substitution.

If we know that V(r) = (4/3) · π · r³ and r(t) = (1/4) · t², then the composite function is:

V(t) = (4/3) · π · [(1/4) · t²]³

V(t) = (4/3) · π · (1/64) · t⁶

V(t) = (1/48) · π · t⁶

There are two <em>true</em> statements:

  1. When the function is composed with r, the <em>composite</em> function is V(t) = (1/48) · π · t⁶.
  2. V(r(6)) shows that the volume is 972π cubic inches after 6 seconds.

To learn on composition between functions: brainly.com/question/12007574

#SPJ1

7 0
2 years ago
HELPPPPPPPPPPPPMEEEEEEE
Alexus [3.1K]

Answer:

I'm pretty sure it is 21

4 0
3 years ago
ram bought a second hand cycle for RS.1250 and spent rs.200 on its repair. when he sold if after few days he got RS.1250. what w
Anna [14]

Answer:

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5 0
2 years ago
What is the value of x?
jeka57 [31]

Answer:

The answer is 6

Step-by-step explanation:

3 times 2 equals six

8 0
2 years ago
Read 2 more answers
How many mL of medication are needed to last 10 days if the dose of medication is 2.5 tsp TID (three times a day)?
rjkz [21]

Answer:

369.7 mL of medication

Step-by-step explanation:

How many mL of medication are needed to last 10 days if the dose of medication is 2.5 tsp TID (three times a day)?

From the above question,

The dosage of the medication =

2.5 tsp 3 times a day

= 2.5 × 3 = 7.5 tsp per day.

Since

1 day = 7.5 tsp

10 days = x tsp

Cross Multiply

x = 10 × 7.5 tsp

x = 75 tsp of medication for 10 days.

Step 2

It is important to note that:

1 tsp = 4.929 mL

75 tsp = x mL

Cross Multiply

x = 75 × 4.929 mL

x = 369.669 mL of medication

Approximately = 369.7 mL of medication

7 0
2 years ago
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