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r-ruslan [8.4K]
3 years ago
11

I only need 6-10 pleaseeeeswws

Mathematics
1 answer:
Genrish500 [490]3 years ago
3 0
6) 381/100
7) 231/1000
8) -303//25
9) 9/1000
10) -227/50
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Please help thank you and show all work.
Daniel [21]
Question 1:

Look at the first attached image.

We want to solve for the height of the smaller building. Let's start by making a right triangle with angle of 15 degrees and adjacent side of 51 m.

Let's solve for the other leg. Multiply the tangent with 51 m to get the length of the other leg.

51*tan(15)
\approx 14

Now, subtract that from 207 to get the height of the smaller building.

207-14=193

That's your answer.

Question 2:

The angle of elevation is congruent to the angle of depression because they are alternate interior angles.

Thus, you can choose the 1st and 4th choices as your answer.

Question 3:

Look at the second attached image.

Angle E is congruent to angle D for the same reasons mentioned in the last question.
We can create an equation.

3x+1=2(x+8)

Distributive property

3x+1=2x+16

Subtract both sides by 1 and 2x

x=15

Since E and D are congruent, just plug this value into one of the equations for E or D. You get 46.

The third choice is your answer. Hope this helps! :)

6 0
3 years ago
Select the two values of x that are roots of this equation.
VMariaS [17]

Answer:

x = 2, -3

Step-by-step explanation:

x^2 + 2x- 6 = 0\\=>x^2 +3x - 2x- 6 = 0\\=>x(x+3) - 2(x +3) = 0\\=> (x-2)(x+3) = 0\\\\

(x-2)  = 0     or (x+3) = 0

x = 2  or x = -3

Thus, two values of x are x = 2, -3

Note: The options given are incorrect.

4 0
3 years ago
F(x) = 9x2 - 4<br><br> Find the zeros of the function
Delvig [45]

Answer:

I believe that the answer is 14.

Step-by-step explanation:

hope it helped

4 0
3 years ago
Analyze the student’s work. Is the answer correct? Explain.<br><br> Ik its not B
neonofarm [45]

Answer:

im not 100 percent sure but i think he right

Step-by-step explanation:

6 0
3 years ago
10x10x10x10x10x10x10 in word form
Vsevolod [243]

Answer:

10,000,000

Step-by-step explanation:

ten million

5 0
3 years ago
Read 2 more answers
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