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Dmitriy789 [7]
3 years ago
13

What is the area of the composite figure?

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
4 0
100cm2 that is the answer I got
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Okay I been on these 2 questions for about 30 min and I can't figure it out.
blsea [12.9K]
For #1 you have one leg of a right triangle measuring 4000 (the height of the mountain) and the other leg is 3000 (the distance that Mario is from Jenna). The angle of elevation is the one on the base of the triangle across from the right angle.  To find the measure of the angle, use the tangent ratio: tan(A)=4000/3000, which could be simplified to tanA = 4/3. Do that on your calculator using the inverse tangent function to get that the angle of elevation from Mario to Jenna is 53 degrees.
For #2 you have another right triangle situation where the length of the hypotenuse is 20 and the base leg is 10. You are finding again the base angle across from the right angle. Use the cosA=10/20, aka cosA=.5. Again use the inverse cos function on your calculator to find the angle in question is 60 degrees.
5 0
3 years ago
Properties in mathematics 0+14=14 is what type of property
sveta [45]
The zero propperty because you are add any thing plus zero

6 0
3 years ago
What is the value of y?
Pavel [41]
Y = (180-72)/2 = 54°
6 0
3 years ago
Read 2 more answers
Please help me with the one that says convince me !
lora16 [44]

Answer:

Cory is correct

Step-by-step explanation:

When you divide 3.9 by 0.52 the quotient is 7.5. 7.5 will round up to 8.

4 0
3 years ago
Which statement is true​
Wittaler [7]

Answer:

  • The correct answer would be <em>C</em><em> </em>
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7 0
3 years ago
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