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koban [17]
3 years ago
10

A flagpole cast a shadow 25ft, near by a person of 5.5ft casting a shadow of 7ft.

Mathematics
2 answers:
Nutka1998 [239]3 years ago
5 0
19.64 u just need to set them up proportionally
noname [10]3 years ago
4 0

Answer:

I got x= 19.6

Step-by-step explanation:

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Simplify 6days to 4weeks to it lowest term in ratio
FromTheMoon [43]
4 weeks = 28 days,
ratio = 6:28,

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8 0
3 years ago
We want to determine if the probability that a student enrolled in an accelerated math pathway is independent of whether the stu
Molodets [167]

Answer:

The correct option is (c).

Step-by-step explanation:

The complete question is:

The data for the student enrollment at a college in Southern California is:

                    Traditional          Accelerated            Total

                  Math-pathway     Math-pathway

Female              1244                       116                   1360

Male                  1054                       54                    1108

Total                  2298                     170                  2468

We want to determine if the probability that a student enrolled in an accelerated math pathway is independent of whether the student is female. Which of the following pairs of probabilities is not a useful comparison?

a. 1360/2468 and 116/170

b. 170/2468 and 116/1360

c. 1360/2468 and 170/2468

Solution:

If two events <em>A</em> and <em>B</em> are independent then:

P(A|B)=P(A)\\\\\&\\\\P(B|A)=P(B)

In this case we need to determine whether a student enrolled in an accelerated math pathway is independent of the student being a female.

Consider the following probabilities:

P (F|A) = \farc{116}{170}\\\\P(A|F)=\frac{116}{1360}\\\\P(A)=\frac{170}{2468}\\\\P(F)=\frac{1360}{2468}

If the two events are independent then:

P (F|A) = P(F)

&

P (A|F) = P (A)

But what would not be a valid comparison is:

P (A) = P(F)

Thus, the correct option is (c).

4 0
3 years ago
The vertex angle of an isosceles triangle measures 42°. A base angle in the triangle has a measure given by
Dmitry_Shevchenko [17]

Answer:

x=33

Each base angle measures 69 degrees

Step-by-step explanation:

the 2  base angles are equal so  the measure of 1 base angle = (180 - 42) / 2

=  69 degrees

2x + 3 = 69

2x = 66

x = 33

5 0
3 years ago
What is the approximate circumference of the circle shown below 14.8cm
Harman [31]

Answer:

r≈2.36cm

Step-by-step explanation:

5 0
3 years ago
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Harry's spell casting class lasts 5/6 of an hour each day. Today, he has been in the class for 2/5 of an hour so far. How much m
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30 minutes are left in the class.
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