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Evgen [1.6K]
2 years ago
15

Rachel is 1.55 m tall. Her friend, Pita, is 132 cm tall. Who is taller, and by how much?

Mathematics
1 answer:
anygoal [31]2 years ago
4 0
Rachel is taller, she is taller by 23 cm
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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
How do you do the expression
strojnjashka [21]
L x (times) w ( length times width) 9x4=36 I think.
3 0
3 years ago
PLEASE HELP ME!?!?  
Ymorist [56]

Answer:

i think its C but not sure

Step-by-step explanation:

3 0
3 years ago
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Find the equation for the line that passes through the point (1,−4) and that is parallel to the line with the equation y=4.
diamong [38]

Answer:

y = -4.

Step-by-step explanation:

The line with equation y = 4 is a horizontal line on the coordinate plane which passes through the y-axis at y = the point (0, 4).

The other line parallel to this must also be horizontal and , as it passes through the point (1 , -4), must also pass through the y-axis at  ( 0, -4). The equation of this line is y = -4.

6 0
3 years ago
An engineer is building a bridge that should be able to hold a maximum weight of 1 ton. He builds a model of the bridge that is
Sedaia [141]

Answer:

the bridge holds one ton. on Edgunuity

Step-by-step explanation:     <3

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