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faust18 [17]
3 years ago
15

Trig with picture included

Mathematics
1 answer:
Arada [10]3 years ago
4 0

Answer:

1st Option

Step-by-step explanation:

When we draw out our triangle, we see that the height leg is 17 m and the horizontal leg is 100 m with our unknown angle of elevation <em>x</em>:

tanx° = 17/100

x = tan^{-1}(\frac{17}{100})

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An isosceles triangle ABC has legs of length 24 and a vertex angle that measures 36º . Determine the length of its base, BC , to
iris [78.8K]

Answer: BC=14.8

Step-by-step explanation:

By definition, an Isosceles triangle has two equal sides and its opposite angles are congruent.

Observe the figure attached, where the isosceles triangle is divided into two equal right triangles.

So, in this case you need to use the following Trigonometric Identity:

sin\alpha =\frac{opposite}{hypotenuse}

In this case, you can identify that:

\alpha =\angle BAD=\angle CAD=18\°\\\\opposite=BD=CD=x\\\\hypotenuse=AB=AC=24

Substituting values, and solving for "x", you get:

sin(18\°)=\frac{x}{24}\\\\24*sin(18\°)=x\\\\x=7.416

Therefore, the length of BC rounded to nearest tenth, is:

BC=2(7.416)=14.8

6 0
3 years ago
Brad earns a base monthly salary of $2,200 plus $1.1% commission on his total sales. Let s be Brad's total sales.
Lelechka [254]
I think it’s like that but u shld wait for someone else to answer, cuz i’m not sure if im correct cuz the ans is so big

3 0
2 years ago
The residents of a city voted on whether to raise property taxes. The ratio of yes votes to no votes was 3 to 5. If there were 7
Zinaida [17]

Answer:

2967 yes votes

Step-by-step explanation:

Welcome to Brainly!

One way of doing this problem follows:

Find the ratio, r, mentioned in the problem statement.  To do this,

write the equation 3r + 5r = 7912 and solve this for r:

8r = 7912, so that r = 989.

Then the number of yes votes was 3(989), or 2967, and the number of no votes was 5(989), or 4947.

check:  Does the ratio 2967/4947 equal 3/5?  yes.

There were 2967 yes votes.

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Using the information in the table, how many feet are in 6 yards?
Goryan [66]

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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Dur rn help pls ))))))))))
Vadim26 [7]

Answer:

A is correct good luck bud

Step-by-step explanation:

3 0
2 years ago
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