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3 years ago

Which measurement is the most precise; 2 in., 2.5 in., 2.675 in., or 2 3/4 in. ?

Mathematics

2 answers:

erica [24]3 years ago

8 0

Answer:

Step-by-step explanation:

Precision is obtained according the number of significative digits it has a measure. Significative digits refer to the total number of digits that have some value for a measure.

Among options, the second choice is the one that has more significative digits. 2.675 has four significative digits which means that this measure gives more information that other options, because the first one is equal to 2.75 (3 significative digits), third one 2 has only one significative digit, and last choice has only two.

Therefore, the right answer is 2.675 in.

Alla [95]3 years ago

3 0

Answer:

2.675

Step-by-step explanation:

The more decimal points there are, the more precise it gets.

2 = 2

2.5 = 2.5

2.675 = 2.675

2 3/4 = 2.75

Since 2.675 has three decimal places, it is the most precise.

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Which expression is equivalent to n + n - 0.18n?

horrorfan [7]

n + n - 0.18n

We can rewrite it as

2n - 0.18n

And if we solve it

(2 - 0.18)n = 1.82n

So the equivalente expression is B.

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3 years ago

Read 2 more answers

Elise and her dad are planning to attend the state fair. An adult ticket is $21.00. The price of an adult ticket is $10.00 more

belka [17]

Answer:

C)two thirds x + 10 = 21

Step-by-step explanation:

The equation for determining how much it would be paid for the student tickets is shown below:

Given that

The ticket of an adult is $21

Now let us assume the price of the student ticket be x

So two third would be 2 ÷ 3x

And for adult it would be

2 ÷ 3x + 10

Now the equation is

2 ÷ 3x + 10 = 21

So after solving this the option c is correct

And the rest of the options are wrong

6 0

3 years ago

Calculate the slope of the line (-6,-3) (-2,-3)

Vika [28.1K]

Answer:

There is no slope

Step-by-step explanation:

When finding the slope both numbers have to be positive without positive numbers you will not have a positive slope there fore no slope

4 0

3 years ago

What is the value of the expression 5x2 + 2x when x = 5?

masha68 [24]

Answer:

135

Step-by-step explanation:

Given:

$x = 5$

To determine a numerical value for the expression, simply substitute the value of "x" into the expression and simplify the expression, if necessary, to determine a specific number for the expression provided.