MATHEMATICS MIDDLE SCHOOL

During a science experiment, Peter found the temperature of a certain liquid to be −a∘ Centigrade after he had raised the temperature by x degrees.Write an expression to represent the temperature of the liquid at the start of the experiment, before it was raised.

Answers

Answer 1

Answer: The original temperature was 'x' degrees below '-a'. That's (-a - x), or -(a+x).

Answer 2

Answer:

Answer:

Step-by-step explanation:

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What is the standard form of the equation y = (x + 2)^2 -3y = x^2 + 4x - 3
y = x^2 + 4x + 7
y = x^2 + 4x + 1
y = x^2 + 4x - 3

Answers

Answer:

y=x^2+4x+7

Step-by-step explanation:

y=(x+2)(x+2)-3

y=x^2+2x+2x+4-3

y=x^2+4x+7

Answer:

C. y = x² + 4x + 1

Step-by-step explanation:

y = (x + 2)² - 3

y = x² + 4x + 4 - 3

y = x² + 4x + 1

Is the quotient 2.7 divided by 3 greater or less than one

Answers

2.7/3=0.9
it is less than one

Less than one. Hopes this can hep you

The division of a whole number N by 13 gives a quotient of 15 and a remainder of 2. Find N

Answers

This means that N = 13 * 15 + 2
N = 197

Explain why one column in the hundredths grid is equal to 1 column in the tenths grid

Answers

Because 10 times 10 = 100 and theres 10 rows of 10 so one row is 10 and colom in tenths is 10

Final answer:

Each column in the place value system represents a value 10 times more than the column to its right. So, 1 column in the hundredths grid represents a group of 10 hundredths, which is equal to 1 tenth. Therefore, one column in the hundredths grid has a combined value that is equal to one column in the tenths grid.

Explanation:

In the place value system, each column represents a value that is 10 times more than the column to its right. So, 1 column in the tenths grid represents 10 times more than 1 column in the hundredths grid. Therefore, when we speak of 1 column in the hundredths grid, it's like talking about a group of 10 hundredths, which is mathematically equal to 1 tenth.

For example, if we have ten hundredths (0.01 x 10), this is equivalent to one-tenth (0.1). So, one column in the hundredths grid has a combined value that is equal to one column in the tenths grid.