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nordsb [41]
3 years ago
11

Use unit rate to find the unknown value. 15/45 = 6/? B Draw a bar model to find the unknown.

Mathematics
1 answer:
Anettt [7]3 years ago
7 0

Answer:a

Step-by-step explanation:did it

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5 37/40 as a decimal
Luden [163]
Well 5=5
and 37/40
hmm, try to get that 40 into an nice number that is multiplule of 10
if we divide top and bottom by 4 that would work
( \frac{37}{40})( \frac{ \frac{1}{4} }{ \frac{1}{4} })= \frac{9.25}{10}
9.25/10=92.5=100=925/1000=925 thousandths=0.925

so the decimal would be 5.925
5 0
3 years ago
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The driving distance for the top 100 golfers on the PGA tour is between 284.7 and 310.6 yards (according to GolfWeek). Assume th
Usimov [2.4K]

Answer:

a) f(x) = \frac{1}{25.9}

b) 0.2046 = 20.46% probability the driving distance for one of these golfers is less than 290 yards

Step-by-step explanation:

Uniform probability distribution:

An uniform distribution has two bounds, a and b.

The probability of finding a value of at lower than x is:

P(X < x) = \frac{x - a}{b - a}

The probability of finding a value between c and d is:

P(c \leq X \leq d) = \frac{d - c}{b - a}

The probability of finding a value above x is:

P(X > x) = \frac{b - x}{b - a}

The probability density function of the uniform distribution is:

f(x) = \frac{1}{b-a}

The driving distance for the top 100 golfers on the PGA tour is between 284.7 and 310.6 yards.

This means that a = 284.7, b = 310.6.

a. Give a mathematical expression for the probability density function of driving distance.

f(x) = \frac{1}{b-a} = \frac{1}{310.6-284.7} = \frac{1}{25.9}

b. What is the probability the driving distance for one of these golfers is less than 290 yards?

P(X < 290) = \frac{290 - 284.7}{310.6-284.7} = 0.2046

0.2046 = 20.46% probability the driving distance for one of these golfers is less than 290 yards

3 0
2 years ago
The ratio of the number of tests Jed passed this year to the number of tests he failed is 13:3. What percent of all tests Jed to
saul85 [17]

Answer:

18.75%

Step-by-step explanation:

Altogether he took 16 tests he failed 3 so we need to find 3 is what percent of 16.

5 0
3 years ago
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the strition family had a meal catered for a wessing rehearsal dinner. the costof the dinner was $476. there was a 5% sales tax
irakobra [83]
476*1.05*1.15=574.77
The Striton family paid a total of $574.77 on their meal.
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3 years ago
If Carbon 12 is named 12 because it has 6 protons
tester [92]

Answer:

6

Step-by-step explanation:

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