3 years ago

What is the purpose of properties? for math 20 points HELP ASAP!!!!!!!!

1 answer:

6 0

Answer:

Remembering the properties of numbers is important because you use them consistently in pre-calculus. The properties aren't often used by name in pre-calculus, but you're supposed to know when you need to utilize them.

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A dress regularly sells for $130. The sale price is $84. Find the percent decrease of the sale price from the regular price.

MaRussiya [10]

Answer:

46%

Step-by-step explanation:

idk in just guessing sorry

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4 years ago

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3 years ago

Write a linear function f with the given values.

Goshia [24]

Answer:

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3 years ago

terry opened a savings account in December with $132 and saved $27 each month beginning in January the value of terrys account i

liq [111]

Let S be the amount in a savings account.
Let m be the number of months.

General equation
S = 132 + 27m

Specific question
July is the 7th month of the year including both January and July.
S = 132 + 7*27
S = 132 + 189
S = 321

Reasonableness?
Good question. You could estimate an answer.
Start with 150 dollars and say that you add 25 a month.
7 * 25 = 175
S = 150 + 175 = 325 All of this was done in my head. Since the exact answer obtained using the formula is 321, I think that's pretty reasonable using my estimate is a guide.

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3 years ago

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Triss [41]

Answer:

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Step-by-step explanation:

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3 years ago