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pychu [463]
3 years ago
14

How do you turn a mixed number into an improper fraction?

Mathematics
1 answer:
givi [52]3 years ago
6 0
Multiply the denominator by the whole number, then add the numerator. That's your top number...numerator stays the same. Easiest way I learned it.

2 4/5 = 5*2=10+4=14 Answer= 14/5 (Example)
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The angle of elevation to the top of a water tower from point A on the ground is 19.9°. From point B, 50.0 feet closer to the to
zepelin [54]

Answer:

Answer in terms of a trigonometric function :

h = \frac{20tan(19.9)}{0.4-tan(19.9)}

Answer in figures

h = 190.5 feet

Step-by-step explanation:

Consider the sketch attached below to better understand the problem.

Let x be the distance between point B and the base of the water tower.

tan (19.9)=\frac{h}{50+x} ---------------equation 1\\

tan (21.8)=\frac{h}{x}----------------equation 2

From equation 2,

x =\frac{h}{tan21.8}=\frac{h}{0.4}

substituting the value of x into equation 1, we get

tan (19.9)=\frac{h}{50+(\frac{h}{0.4} )}

tan 19.9=h\times \frac{0.4}{20+h}

cross multiplying,

20\times tan(19.9) +htan(19.9)=0.4h

20tan(19.9)= h(0.4-tan(19.9))

h= \frac{20tan (19.9)}{0.4-tan (19.9)}

The height of the tower is h= \frac{20tan (19.9)}{0.4-tan (19.9)} in terms of the trig function "Tan"

The equation can simply be evaluated to get the answer in figures since the angles are given in the question

5 0
3 years ago
A runner runs a distance of 450 metres in a time of 50 seconds. What is his average speed?
vekshin1

Answer:

0.279 miles / 0.449 km

Step-by-step explanation:

convert the meters into miles/kilometers to get your answer

4 0
3 years ago
Which choices are equivalent to the fraction below? Check all that apply.<br> 20/24
laiz [17]

Answer:

5/6

Step-by-step explanation:

20 divide by 2 is 10

24 divide by 2 is 12

then have 10/12

10 divide by 2 is 5

12 divide by 2 is 6

answer is 5/6

7 0
3 years ago
Which of the following results in the expressions 0.43 times 52 ?
Mariulka [41]
The answer is 43% of 52. So D
5 0
3 years ago
Read 2 more answers
Convert 59 degrees in Fahrenheit to Celsius temperature using the formula F=9/5c+32.
nataly862011 [7]

Answer:

15° C.

Step-by-step explanation:

To do this, we will need to plug in and solve.

59 = 9/5c + 32

Isolate the variable by subtracting 32 by both sides:

27 = 9/5c.

Divide both sides by 9/5, giving you:

15° C.

3 0
3 years ago
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