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3 years ago

What is 8,325 rounded to the nearest thousand

2 answers:

6 0

First we look at the thousands place. We see the number is 8. We need to look at the number next to it which is 3. If the number is 4 or lower we round down, but if the number is 5 or higher we round up. The number is 3 so we keep the 8 and the rest of the numbers turn to 0's making it round to 8,000

EleoNora [17]3 years ago

3 0

The answer will be 8,000 because 8 can't go into 3. So you will round down

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What is the value of r if r = 8?<br><br> 10r = ?

beks73 [17]

The answer to this equation is 10r=80.

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3 years ago

Scott runs 7 miles in 80 minutes. At the same rate, how many miles would he run in 64 minutes?

Alika [10]

Answer:

5.6 miles

Step-by-step explanation:

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3 years ago

The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 44 o

Cerrena [4.2K]

Answer:

a) No 95% of values will fall between (24;64); 68,27% will fall between (34;54)

b)71,83 % will fall between 34 and 64 ounces

Step-by-step explanation:

Empirical rule establishes, for a normal distribution with mean μ and σ as standard deviation:

In interval μ ± σ or ( μ + σ ; μ - σ) we should find 68.27 % of all values of the population, and by simmetry 68.27/2 = 34,14 % should be over the mean and the other half would be values below the mean

Therefore in our case

μ + σ = 44 + 10 = 54

And

μ - σ = 44 - 10 = 34

a) Then 68,34 % of values will fall in this interval

We know now that value 34 is 1* σ below the mean, and is at the limit of 34,14 %

b) μ + 2*σ = 44 * 2*10 = 44 + 20 = 64

64 is the upper limit for the interval μ + 2*σ and we know that 95.45 % of all values will fall between ( μ - 2*σ ; μ + 2*σ ) and by simmetry just one side of this interval (the right side ) will have 95.45/2 = 47;73 %

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3 years ago

Which function describes this table of values?

Daniel [21]

Answer:

$y = \frac{1}{2}x +2$

Step-by-step explanation:

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For example, half of -8 = -4. If you add 2 to -4, you'd get: -4 + 2 = -2. Same applies to other x-values on the table.

Thus, an expression for the function represented by the table values can be written as,

$y = \frac{1}{2}x +2$

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3 years ago

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Ierofanga [76]

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3 years ago

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