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Mariana [72]
3 years ago
15

Find the value of x. round the lengths to the nearest tenth

Mathematics
2 answers:
Sladkaya [172]3 years ago
7 0
X= 85 in this equation !!!!!!!!!!!
hammer [34]3 years ago
4 0

Answer:

Step-by-step explanation:

SOH CAH TOA

use the trigonometry mnemonic (new monic)  to help remember how sin cos and tan fit on the triangle

since you know the angle and you want to know the side opposite of that angle... and you know the side adjacent ( next to) the angle... use Tan

use the mnemonic to help

Tan(Ф)= Opp/ Adj  ( we know two of these things and we want the 3rd :P )

Adj * Tan(25) = Opp

250 * Tan(25) = Opp

116.5769.... = Opp

x = 116.6  ft. approx. in the picture

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The sum of two numbers is 39 . The larger number is 19 more than the smaller number. What are the numbers?
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When Rafael emptied his pockets, e found he had a total of $3.50 in quarters and nickels. If he had 8 more quarters that nickels
jasenka [17]
You can use systems of equations for this one.

We are going to use 'q' as the number of quarters Rafael had,
and 'n' as the number of nickels Rafael had.


You can write the first equation like this:
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This says that however many 5 cent nickels he had, and however many
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Our second equation is this:
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This says that Rafael had 8 more nickels that he had quarters.

We can now use substitution to solve our system.

We can rewrite our first equation from:
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to:
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From here, simply solve using PEMDAS.

3.50=0.05n+0.25(n+8)     --Distribute 0.25 to the n and the 8
3.50=0.05n+0.25n+2     --Subtract 2 from both sides
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We now know how many nickels he has, but the question is asking us
how many quarters he has.

Simply substitute our now-known value of n into either of our previous
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We now know that Rafael had 13 quarters.

To check, just substitute our known values for our variables and solve.
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Happy math-ing :)
5 0
3 years ago
kayla is drawing a picture of her favorite building in her city, the height of the building on her drawing is 3 inches tall, the
Stolb23 [73]

Answer:

1/12

Step-by-step explanation:

3/36 can easily be simplified into 1/12 you're welcome :)

4 0
3 years ago
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