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miss Akunina [59]
2 years ago
14

Joe has 45 minutes to go to soccer practice. He spent 20 minutes eating a snack and the rest of the time doing Homework. Write a

n equation to express how long Joe spent doing homework
Mathematics
1 answer:
Hatshy [7]2 years ago
7 0

Answer:

Step-by-step explanation:

Total amount of time that Joe has before going to soccer practice is 45 minutes. He spent 20 minutes eating a snack. This means that amount of time left after eating the snack is total amount of time that he has - the amount of time he spent on eating the snack. This becomes

45 - 20 = 25 minutes

He spent the rest of the time doing Homework. This means that he spent 25 minutes doing homework.

The equation to express how long Joe spent doing homework will be

Let x = amount of time spent doing home

x = total amount of time he had - amount of time he spent eating snack

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vredina [299]

Solution: 137 / 2 = 68.5

LMP is 11 degress more so 68.5 + 11 = 79.5

NMP is 11 degrees less so 68.5 - 11 = 57.5


3 0
3 years ago
How do you explain if something IS NOT a perfect square/ square number?
mariarad [96]

Answer:

A square number cannot be a perfect number. 0, 1, 5, 14, 30, 55, 91, 140, 204, 285, 385, 506, 650, 819, 1015, 1240, 1496, 1785, 2109, 2470, 2870, 3311, 3795, 4324, 4900, 5525, 6201... The sum of the first odd integers, beginning with one, is a perfect square: 1, 1 + 3, 1 + 3 + 5, 1 + 3 + 5 + 7, etc.

Step-by-step explanation:

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2 years ago
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3 years ago
The given term is 6n-38,<br> can u find the first four terms in the sequence
Hunter-Best [27]

Answer:

- 32, - 26, - 20, - 14

Step-by-step explanation:

To find the first 4 terms , substitute n = 1, 2, 3, 4 into the rule

a₁ = 6(1) - 38 = 6 - 38 = - 32

a₂ = 6(2) - 38 = 12 - 38 = - 26

a₃ = 6(3) - 38 = 18 - 38 = - 20

a₄ = 6(4) - 38 = 24 - 38 = - 14

3 0
2 years ago
Alvin is 7 years older than Elga. The sum of their ages is 97. What is Elga's age?
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Elga's age = x

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2x + 7 = 97.

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Since x is equal to Elga's age, Elga is 45 years old

4 0
3 years ago
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