4 years ago

What number should be added to both sides of the equation to complete the square?

Mathematics

1 answer:

Bingel [31]4 years ago

5 0

Answer:10

Step-by-step explanation: The coefficient of X will be added to the both sides of the equation.

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In an auditorium, the first row of seats has 30 seats. each row behind the first row has 4 more seats then the row in front of i

Alexeev081 [22]

Answer:

126

Step-by-step explanation:

Row 1: 30+0*4

Row 2: 30+1*4

Row 3: 30+2*4

...

The list goes on. Do you see a pattern here? If we call the row number as r, the formula is 30+(r-1)*4. In the 25th row, the r is 25. So in the formula, it is 30+(25-1)*4=30+24*4=126.

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Step-by-step explanation:

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3 years ago

Raina ran for president of the chess club, and she received 76 votes. There were 80 members in the club. What percentage of the

lesantik [10]

Answer:

vr = 95%

Step-by-step explanation:

We have a total of 80 members of a club that represents 100%, now we want to know what percentage represent the 76 members who voted for raina (vr)

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What math do high schoolers learn? Do they only learn trigonometry, geometry and equations?

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Answer:

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Step-by-step explanation:

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