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kumpel [21]
3 years ago
7

Sue can run 18 miles in 2 hours and can bike 60 miles in 3 hours. What percent of Sue's average biking speed is her average runn

ing speed? A. 25% B. 30% C. 45% D. 55%
Mathematics
2 answers:
natka813 [3]3 years ago
6 0
18/60 X 100 = 30%. So the correct answer is B.
Shkiper50 [21]3 years ago
3 0

Answer:

45


Step-by-step explanation:

is the answer


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D’Andra has a dentist appointment in 5 weeks. There are 7 days in a week. How many days are in 5 weeks?
Lisa [10]

Answer:

A. 35

Step-by-step explanation:

Each week has 7 days, and we have 5 weeks.

Week 1 has 7 days.

Week 2 has 7 days.

Week 3 has 7 days.

Week 4 has 7 days.

Week 5 has 7 days.

We can add all these together to get the total number of days: 7 + 7 + 7 + 7 + 7 = 7 * 5 = 35.

Thus, the answer is A.

Hope this helps!

8 0
3 years ago
Read 2 more answers
A data scientist studying a manufacturing process classifies each item produced by the process as either Poor, Acceptable, or Ex
Genrish500 [490]

Answer:

0.214 ; 0.064 ; 0.3859 ; 0.9966 ; 0.135

Step-by-step explanation:

Given the distribution :

Poor ___ Acceptable ____ Excellent

0.25 _____ 0.6 _________ 0.15

The data scientist receives three items produced by the manufacturing process.

Find the chance that:

a. all of items are Acceptable

0.6 * 0.6 * 0.6 = 0.6^3 = 0.214

b. none of the items is Acceptable

P(not acceptable) = 1 - p(acceptable) = 1 - 0.6 = 0.4

0.4 * 0.4 * 0.4 = 0.4^3 = 0.064

c. at least one of the items is Excellent

P(atleast one) = 1 - P(none)

P(not excellent) = 1 - 0.15 = 0.85

P(none is excellent) = 0.85^3 = 0.614125

Hence,

P(atleast one is excellent) = 1 - 0.614125 = 0.3859

d. not all of the items are Excellent

P(not all) = 1 - p(All)

P(all excellent) = 0.15^3 = 0.003375

P(not all are excellent) = 1 - 0.003375 = 0.9966

e. there is one item of each class:

P(poor) * p(acceptable) * p(excellent) * (number of classes)!

0.25 * 0.6 * 0.15 * 3!

= 0.135

3 0
3 years ago
What is the whole number part of the decimal 3.07?
Wewaii [24]

Answer:

The 3 is a whole number.

Step-by-step explanation:

According to rules in decimals any number behind or after the decimal point is considered as a decimal because it's less than a whole.

I hope this helps in any way.

8 0
3 years ago
Correct answers will get brainlest!! (sorry if i spelled it wrong)
Liono4ka [1.6K]

Answer:

1. $2.5

2. 2/5lb

Step-by-step explanation:

1. The blank is asking what the cost of one pound of blueberries costs and you know that two pounds costs $5, so half of 5 is 2.5. So the first blank is $2.5.

2. You know that $2.5 will get you one pound, so divide by 5 and now you know that $0.50 will get you 1/5 pound of blueberries. multiply by two and now you know that $1.00 get you 2/5 pound of berries. So the second blank is 2/5 lb.  

3 0
2 years ago
Read 2 more answers
(look at image) can i get help with this
tigry1 [53]

Answer:

  1. 7 and 1 vertically opposite angles
  2. 8 and 6 corresponding angles
  3. 1and 8 angles on a straight line
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7 0
3 years ago
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