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hram777 [196]
2 years ago
10

HELP ASAP PLSSSSSSS

Mathematics
2 answers:
Mekhanik [1.2K]2 years ago
8 0

Group B


Group B has a higher number of students with lower ages than Group A. Group A also has more older students than Group B. Based on that information Group B would be expected to have a lower mean age.

Delvig [45]2 years ago
3 0

Answer:

group b

Step-by-step explanation:

Group B has a higher number of students with lower ages than Group A. Group A also has more older students than Group B. Based on that information Group B would be expected to have a lower mean age.

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A dolphin swims 665,280 feet in 3 hours. Use the formula dart, where d represents distance, r represents rate, and t represents
barxatty [35]

Step-by-step explanation:

a) r=d/t ( same as formula of speed)

b) r= 665280/3=221760 feet/hr

c) distance in miles = 665280/5280= 126

so r=126/3 = 42 miles/hr

d) i think using miles makes more sense cz using feet will result in greater number of values so there is a greater chance of human error

5 0
3 years ago
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how many 1/2 foot unit cubes can be added to fill the prism completely use what you know about unit cubes or the side lengths of
Dima020 [189]

Answer:The volume of the cube is 1/2 x 1/2 x 1/2 = 1/8

2646/(1/8) = 21168

Step-by-step explanation:

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3 years ago
Express as a trinomial.<br> (3x+5)(2x+9)
Mashutka [201]
The answer is 6x2+37x+45
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3 years ago
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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
What is the GCF of 24,48m
Phoenix [80]
24
It goes into 24 once and into 48 twice
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3 years ago
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