The domain of the function f:f(x) =7

Answers

Answer 1

Answer:

Answer:

all real numbers

Step-by-step explanation:

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.

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Selma hypothesizes that the mass of a sample of water will not change if it is frozen. She conducts an experiment to test her hypothesis. Her experimental steps are as follows:1. Fill a beaker with 500 mL of water.
2.
3. Place the beaker in the freezer.
4. After the water freezes, place the beaker on the balance and measure its mass.

Which of the following steps is missing from Selma's experiment?

Place the beaker on the balance and measure its mass.
Run the water through a filter to make sure there are no impurities in it.
Set a timer for 2 hours.
Use a thermometer to measure the water's temperature.

Answers

place a beaker on a balance and measure the mass

Answer:

place the beaker on the balance and measure its mass.

Step-by-step explanation:

In order to see if the mass of the water changed, Selma first needs to find out what the mass of the liquid water is in order to compare it to the mass of the frozen water.

What is 365.25 in expanded form

Answers

The mathematical expression of 365.25 can be expressed in in expanded form as $300 + 60 + 5 + 0.2 + 0.05$

How can the value be expanded?

A number can be expressed in expanded form as the sum of its digits' place values. In the expanded form, a number is divided into units based on the place values of the digits, then expanded to show the value of each unit. The division of numbers into groups according to place value, such as ones, tens, hundreds, thousands, ten thousand, and so forth, results in the expanded form of the number.

The given value can be expressed as;

$300 + 60 + 5 + 0.2 + 0.05 = 365.25$