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lyudmila [28]
3 years ago
12

Greta can bike 6 miles in 30 minutes. At that rate, how many miles can she bike in 45 minutes?

Mathematics
2 answers:
Nonamiya [84]3 years ago
6 0

Feet up a ratio for miles over time:

6/30 = x/45

Cross multiply:

30x = 270

Divide both sides by 30:

X = 270/30

X = 9 miles

sasho [114]3 years ago
4 0

Answer: 9 miles

Step-by-step explanation:30 divided by 6 is 5. So the was biking 1 mile every 5 minutes. 45 divided by 5 is 9.

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mauricio estimates that the first module of the project could be completed in as few as 15 days or could take as many as 25 days
4vir4ik [10]

Answer:

<em>Most likely time, </em>according to PERT (Program evaluation and review technique).

Step-by-step explanation:

PERT is "a statistical tool used in <em>project management" (Program evaluation and review technique (2020), </em>in Wikipedia), and it is commonly used with CPM <em>(Critical Path Method)</em> to manage projects.

Inside PERT, there are different defined times to accomplished an activity in a project, that is:

  • An <em>optimistic time</em> or minimum time required to accomplished an activity, i.e., if everything goes better than normal, the activity is accomplished before expected.
  • A <em>pessimistic time, </em>a time quite the opposite to optimistic time.
  • A <em>most likely time</em>, or a time required to accomplished an activity if everything goes as expected or normally.
  • An <em>expected time</em>, an statistical estimation.

Considering the question, we have that the <em>time</em> when "the first module of the project could be completed":

  • "[...] in as few as 15 days"  is the <em>optimistic time</em>.
  • "[...] or could take as many as 25 days" is the <em>pessimistic time</em>.
  • "[...] but most likely will require 20 days" is the <em>most likely time</em>.

As a result, the <em>20-day estimate</em> is called the <em>most likely time</em> in the context of the PERT/CPM techniques.

3 0
3 years ago
Solve for X.<br> X = [?]<br> 5x - 16 X + 10
Aleks [24]

\boxed{ \sf{  \color{purple}\huge Answer :}}

\:  \:

\large \tt \purple↪  \: \:  \:  \:  \:  5x - 16 = x + 10

\:  \:

\large \tt \purple↪  \: \:  \:  \:  \:5x - x = 10 + 16

\:

\large \tt \purple↪  \: \:  \:  \:  \: 4x = 26

\:

\large \tt \purple↪  \: \:  \:  \:  \: x =   \cancel\frac{26}{4}

\:  \:

\underline{ \boxed{\large  \tt  \purple↪  \red{ \:  \:  \:  \: x =  \frac{13}{2} }}}{ \large✓}

\:  \:

hope helps ~

4 0
2 years ago
3. Mrs. Brown has 9 cups of flour. Each
hodyreva [135]

Answer:

3/4 of a batch

Step-by-step explanation:

9 out of the total 12 cups is what she has. So this converts into the fraction of 3/4 when simplified so she can make 3/4 of a batch.

6 0
3 years ago
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How much meters per second did the cyclist travel from 8 a.M. To 10 a.M? (*TIP: 2 hours = 7200 seconds, 2 km= 2000 m). Give the
Mice21 [21]

Answer:

0.28 meters per second.

Step-by-step explanation:

We have that the speed formula is as follows:

v = d / t

In this case they tell us that the distance is 2 km the equivalent of 2000 meters and the time is 2 hours the equivalent of 7200 seconds, we replace and we are left with:

v = 2000/7200 = 0.28

Therefore it ran 0.28 meters per second.

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mash [69]

Answer: No

Step-by-step explanation:

Because there is more than one 3 in the following ordered pair. If you make this a table it will be easier.

4 0
3 years ago
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