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2 years ago

14

Angie, blake, carlos, and daisy went running. angie ran 1/3 mile, blake ran 3/5 mile, carlos ran 7/10 mile, and daisy ran 1/2 mi

le. who ran the farthest?

1 answer:

Zina [86]2 years ago

4 0

Carlos ran the farthest at 7/10 of a mile because 7/10 is the largest fraction.

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Which is greater, 4 tenths and 2 hundredths or 2 tenths and 4 hundredths

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4 tenths and 2 hundreths.

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2 years ago

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What is 3/5 + 1/2? As in fractions, I can’t figure it out!! :(

ella [17]

Step-by-step explanation:

$\frac{3}{5} + \frac{1}{2} \\ \\ = \frac{3 \times 2 + 1 \times 5}{5 \times 2} \\ \\ = \frac{6 + 5}{10} \\ \\ = \frac{11}{10} \\ \\ = 1 \frac{1}{10}$

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Which of the following is a radical equation???

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2 years ago

Suppose a research firm conducted a survey to determine the average amount of money steady smokers spend on cigarettes during a

olchik [2.2K]

Answer:

option (b) 0.0228

Step-by-step explanation:

Data provided in the question:

Sample size, n = 100

Sample mean, μ = $20

Standard deviation, s = $5

Confidence interval = between $19 and $21

Now,

Confidence interval = μ ± $z\frac{s}{\sqrt n}$

thus,

Upper limit of the Confidence interval = μ + $z\frac{s}{\sqrt n}$

or

$21 = $20 + $z\frac{5}{\sqrt{100}}$

or

z = 2

Now,

P(z = 2) = 0.02275 [From standard z vs p value table]

or

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3 0

2 years ago

Find the slope of the line that contains (-2,-2) and (-10,-9)

andrey2020 [161]

Answer:

$\huge \frac{7}{8} \\$

Step-by-step explanation:

The slope of a line given two points can be found by using the formula

$m = \frac{ y_2 - y _ 1}{x_ 2 - x_ 1} \\$

From the question we have

$m = \frac{ - 9 - - 2}{ - 10 - - 2} = \frac{ - 9 + 2}{ - 10 + 2} = \frac{ - 7}{ - 8} = \frac{7}{8} \\$

We have the final answer as

$\frac{7}{8} \\$

Hope this helps you

7 0

2 years ago