2 years ago

Evaluate the expression x - 9, if x = 12. 21 17 4 3

Mathematics

1 answer:

Elenna [48]2 years ago

4 0

Answer:

Step-by-step explanation:

x - 9

12 - 9

= 3

The answer is 3.

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What is the perimeter of a rectangle is 154 feet. the length of the rectangle is 55 feet. what is the width of the rectangle? th

velikii [3]

Perimeter= (2 x Length) + (2 x width)
Do to find width:
Width= perimeter - (2 x length)
So now substitute in an equation
W= 154 - (55 x 2)
W= 154-110= 44
Remember 44 would equal the width when it is multiplied by 2. Now you have to divide by 2 to get the original.

Answer is 22

5 0

3 years ago

What is the value of the underlined digit in the following number 2983,785

lubasha [3.4K]

What underlined digit nothing is underlined

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4 years ago

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Which answer, to the correct number of significant figures, is closest to the true value of the expression: (9.1 x 104 )(1.1 x 1

DIA [1.3K]

Answer : The correct answer is, -13000 g

Explanation :

Significant figures : The figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.

The rule apply for the multiplication and division is :

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.

The given expression is:

$(9.1\times 10^4)(1.1\times 10^{-5})(\log 10^{-13})(1000)g$