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Shkiper50 [21]
3 years ago
13

Two students stand 1 yard apart and measure their respective angles of elevation to the top of a tree. Student A measures the an

gle to be 57°, and Student B measures the angle to be 46°.
Triangle T G A is shown. A line is drawn from point T to point A to form a second triangle. Angle T G A is a right angle, angle G A T is 57 degrees, and angle G B T is 46 degrees. The length of G T is h and the length of A B is 1 yard.

Law of sines: StartFraction sine (uppercase A) Over a EndFraction = StartFraction sine (uppercase B) Over b EndFraction = StartFraction sine (uppercase C) Over c EndFraction

What is h, the height of the tree? Use the law of sines to first find AT. Then use that measure to find the value of h.

3.0 yards
3.2 yards
3.8 yards
4.4 yards
Mathematics
2 answers:
zubka84 [21]3 years ago
6 0
The answer I believe it is 4.4 yards
tangare [24]3 years ago
5 0

Answer:

3.2 yards

Step-by-step explanation:

correct on edge

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What is the discriminant of the polynomial below? 2x^2+3x-7
Katena32 [7]

Answer:

Option C. 65

Step-by-step explanation:

we know that

The discriminant of a quadratic equation of the form ax^{2} +bx+c=0 is equal to

D=b^{2}-4ac

in this problem we have

2x^{2} +3x-7  

so

a=2\\b=3\\c=-7

substitute

D=3^{2}-4(2)*(-7)

D=9+56

D=65

7 0
3 years ago
If 20 mangoes cost 850 naira , what is the cost of 15 Mangoes​
Marianna [84]
In this math problem, we will be using rate of change.
850 naira’s / 20 mangoes
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Next, to find the cost of 15 mangoes, we will take the cost of our one mango and simply multiply it by 15.
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= 637.50 nairas
So, in conclusion, the cost of 15 mangoes is 637.50 naira.
3 0
3 years ago
Please help me (30 points) 1. A recipe calls for 2 1/3 cups of flour, 3/4 cups of white sugar, and 1/3 cups of brown sugar. The
Katena32 [7]

Lets find how much flour we need for just one serving.

2 2/3 ÷ 6

8/3 ÷ 6

8/3 * 1/6

8/18

4/9 cup of flour per serving

If we triple the recipe (6 * 3 = 18), we will have a total of 18 servings. Multiply the amount of flour we got for one serving to 18 servings.

4/9 * 18/1

72/9

8 cups of flour for 18 servings

Best of Luck!

4 0
3 years ago
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sesenic [268]
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