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Lelechka [254]
1 year ago
13

Paula has buttons. she gives away 28 buttons. choose the expression that shows the number of buttons paula has left.

Mathematics
1 answer:
mamaluj [8]1 year ago
3 0

Answer:

y = 28 - x

Step-by-step explanation:

The variable x represents how many buttons Paula had before giving 28 away and the variable y represents how many buttons she has now.

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Silas had 3 times as much money as Raja. Silas spent $84 of his money to buy a birthday gift for his grandma while Raja was awar
Tamiku [17]

Answer:

Total amount Silas and Raja has at first = $252

Step-by-step explanation:

Let,

Amount Silas had = x

Amount Raja had = y

According to given statement;

x = 3y       Eqn 1

x-84 = y+42     Eqn 2

Putting value of x from Eqn 1 in Eqn 2

3y - 84 = y+42

3y-y = 42+84

2y = 126

Dividing both sides by 2

\frac{2y}{2}=\frac{126}{2}\\y=63

Putting y = 63 in Eqn 1

x = 63(3)

x = 189

Total amount they had = 189 + 63 = $252

Hence,

Total amount Silas and Raja has at first = $252

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Step-by-step explanation:

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In right triangle ∆ABC, ∠A=36°. Find the measure of the other acute angle: ∠B. 54° 64° 24° 36°
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126+C=180
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=54
Answer=54
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