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Crazy boy [7]
3 years ago
7

Write the rational number as a decimal -1/9

Mathematics
1 answer:
jarptica [38.1K]3 years ago
8 0
-\frac{1}{9} =-0.1111111111...
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From the top of a tower, an object which is 97 m away from the base of the tower, is at a 37° angle of depression.
mario62 [17]
<h3>Answer:  73</h3>

==================================================

Work Shown:

Check out the diagram below. Note the pair of alternate interior angles that are congruent (each 37 degrees). Then focus on triangle ABC. With the reference angle being at A, this means we use the tangent function because BC = x is the opposite side and AB = 97 is the adjacent side.

tan(angle) = opposite/adjacent

tan(A) = BC/AB

tan(37) = x/97

97*tan(37) = x

x = 97*tan(37)

x = 73.094742859971

For the last step, you'll need a calculator that can handle trig functions. Make sure the calculator is in degree mode. The result here is approximate. This rounds to 73 when rounding to the nearest whole number.

7 0
3 years ago
Select the expression that makes the equation true.
svetoff [14.1K]

Answer:

a.) -18 x 10^6

Step-by-step explanation:

multiply 9 x-2

add exponents 9 and -3

4 0
3 years ago
2. What is the x-value to the solution for the system of equations y = -5x - 9 and y = 2x<br> + 5.
pav-90 [236]

Answer:

The x-value is -2

Step-by-step explanation:

U can substitute any of the equations for y

-5x + (-9) = 2x + 5

-9 = 7x + 5

-14 = 7x

-2 = x

x = 2

7 0
3 years ago
A pattern of ordered pairs is shown.
Anna007 [38]

Answer:

A. is the answer

Step-by-step explanation:

The first numbers are adding 2 and the second number is adding 3, hope this helped, plz brainiest.

8 0
2 years ago
Read 2 more answers
Type your answer in the box. <br><br> y = 10 b = 6
blondinia [14]

Answer:

The answer is -60 (I believe)

Step-by-step explanation:

3(-10)-5(6)

-30-30 = -30+-30

-30+-30= -60

The answer is -60

6 0
2 years ago
Read 2 more answers
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