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2 years ago

My son need help with math homework thanks

Mathematics

2 answers:

yan [13]2 years ago

7 0

1. is just ·
2. is ------->
3. an angle like number 4
4. is an "acute angle"
5. P and Z
6. V and M
7. A and T

vitfil [10]2 years ago

6 0

1) --------->
2) .
3)<-------------------->
4) acute
5)P,Z
6 ) m,v
7)a,t

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There are 158 students registered for American History classes. There are twice as many students registered in second period as

Margarita [4]

There are 28 students in first period and 56 students in sceond period and 74 students in third period

Solution:

Let the number of students in first period be "x"

Let the number of students in second period be "y"

Let the number of students in third period be "z"

There are 158 students registered for American History classes.

Therefore,

x + y + z = 158 ---------- eqn 1

There are twice as many students registered in second period as first period

number of students in second period = twice of number of students in first period

y = 2x ------- eqn 2

There are 10 less than three times as many students in third period as in first period

number of students in third period = 3 times number of students in first period - 10

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Substitute eqn 2 and eqn 3 in eqn 1

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Substitute x = 28 in eqn 2

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Substitute x = 28 in eqn 3

z = 3(28) - 10

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Answer:

Hope this helps!

Step-by-step explanation:

The GCF is 5

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