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2 years ago

What fraction of a group of 1/4 is left

Mathematics

1 answer:

aleksandrvk [35]2 years ago

3 0

Answer:

1/2

Step-by-step explanation:

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2 years ago

Is 3/4 more or less than 2/3

koban [17]

Answer:

3/4 is more than 2/3

Step-by-step explanation:

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2 years ago

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Y+2=-3(x-2) solve for y

luda_lava [24]

Your answer will be y=-3x+4

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QUESTION 6 What is the mean of the following set of data? Round your answer to two decimal places. 78, 82, 91, 100, 78, 92, 82,

guajiro [1.7K]

Mean is the average number. To find mean, add all the numbers and divide by how many numbers there are.

$78 + 82 + 91 + 100 + 78 + 92 + 82 + 77 + 80 = 760$

There are 9 numbers. Divide by 9

$760 \div 9 = 84.44$

Question 6 ⇒ C. 84.44

Median is the middle number when ordered from least to greatest. First order the numbers.

$4, 5, 6, 9, 10, 11, 12, 13, 15, 16$

The 2 middle numbers are 10 and 11. Add them together and divide by 2

$10 + 11 = 21 \\ 21 \div 2 = 10.5$

Question 7 ⇒ D. 10.5

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2 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:

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

As we know that,

$\log 10^{-13}=-13$

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

$\Rightarrow -13013g$

True value means, the rounding off the number. So,

$\Rightarrow -13000g$

Therefore, the correct answer is, -13000 g

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2 years ago