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myrzilka [38]
3 years ago
9

Maggie is x years old.Her brother Demarco is 4 years older than her.Anna is 3 times as old as Demarco.Write and simplify an expr

ession that represents Annas age.EXPLAIN
Mathematics
2 answers:
kicyunya [14]3 years ago
4 0
Anna=12x because you multiply x by the 4years and then multiply that by three to get Abbas age
nordsb [41]3 years ago
3 0
Anna=12x because Demarco is 4x and Anna is 3 times older than 4x
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Answer:

12

Step-by-step explanation:

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2 years ago
Can someone please help??
Vsevolod [243]

Answer:

let the number of cows = x

let the number of chickens = y

since there are 42 heads:

x + y = 42

and since a cow has 4 legs, and a chicken has 2

4x + 2y = 144

from first equation:

x + y  = 42

x = 42 - y (now, we will substitute this in the second equation)

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now, we know the number of chickens. we will replace y with 12 in the first equation since it is more simpler

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Brainly it if you find the answer helpful

5 0
2 years ago
Eli left his house one afternoon to study at the library. The graph shows his distance, in miles, away from his house as a funct
jeka94

A graph is a way to represent a lot of data in such a visual format that it is easy for the user to understand the complete information in one go. The correct option is C.

<h3>What is a graph?</h3>

A graph is a way to represent a lot of data in such a visual format that it is easy for the user to understand the complete information in one go. Usually, the line of the graph is a function that follows the graph.

The graph for the given question is attached below.

As it can be seen that the y-axis shown the distance between Eli's location and his home, since the distance is starting to decrease when the time is 120 seconds, therefore, it can be concluded that Eli rode his bicycle home from the library.

Hence, the correct option is C.

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kramer
14.80+5%=15.54 and to get to that answer we have to add 8.41 and 7.13 and you will get 15.54.
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3 years ago
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