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RoseWind [281]
3 years ago
10

How do you write "the difference between twenty and a number and four is six" as an algebraic expression?

Mathematics
1 answer:
kicyunya [14]3 years ago
5 0
Using the variable x for the unknown number, 

20 - (x + 4) = 6

is your answer!
Hope I helped :)
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Find the angle of elevation of the sun from the ground to the top of a tree when a tree that is 10 yards tall casts a shadow 14
Hitman42 [59]

Answer:

The angle of elevation of the sun from the ground to the top of a tree is 36^{\circ}.

Step-by-step explanation:

As given

The sun from the ground to the top of a tree when a tree that is 10 yards tall casts a shadow 14 yards long.

Now by using the trignometric identity .

tan\theta =\frac{Perpendicular}{Base}

As figure is  given below .

AB =  Perpendicular = 10 yards

BC =  Base = 14 yards

Putting all the values in the trignometric identity .

tan\theta =\frac{AB}{BC}

tan\theta =\frac{10}{14}

\theta =tan^{-1}(\frac{10}{14})

\theta =36^{\circ}

Therefore the angle of elevation of the sun from the ground to the top of a tree is 36^{\circ}.

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Step-by-step explanation:

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2 years ago
700 tickets to the school play were sold by students. Meryl sold 56 tickets. What percent of the tickets did Meryl sell?
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The manager of a grocery store reports that there is a 12 percent chance that a customer buys apples during a shopping trip, a 5
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P(A) = 0.12
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Answer:

Step-by-step explanation:

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