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Sveta_85 [38]
3 years ago
8

What is 9 x 9 divided by 7. Please show your work :D

Mathematics
2 answers:
Andru [333]3 years ago
6 0
9x9+81

81/7= 81 over 7, or 11.6
madreJ [45]3 years ago
4 0
9x9=81
81 divided by 7=11.5714286
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From the diagram below, if the tree is 34 ft. tall, and the angle of elevation from point B to the top of the tree is 26 °, find
lana66690 [7]

Given the height of the tree and the angle of elevation from point B, the distance between the tree is from point B is approximately 70ft.

<h3>What is the distance between the tree and point B?</h3>

Given the data in the question;

  • Height of tree opposite angle of elevation = 34ft
  • Angle of elevation θ = 26°
  • Distance between tree and point B| Adjacent = ?

Since the scenario form a right angle triangle, we use trig ratio.

tanθ = Opposite / Adjacent

tan( 26° ) = 34ft / x

We solve for x
x = 34ft / tan( 26° )

x = 34ft / 0.4877

x = 70ft

Given the height of the tree and the angle of elevation from point B, the distance between the tree is from point B is approximately 70ft.

Learn more about trigonometric ratio here: brainly.com/question/28038732

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3 0
1 year ago
The coordinate grid shows points A through K. What point is a solution to the system of inequalities? y ≤ −2x + 10 y &gt; 1 over
vlabodo [156]

Answer:

A, C, D and K

Step-by-step explanation:

First, plot the solution set to the system of two inequalities.

The inequality y\le -2x+10 determines solid line and bottom shaded region under this line.

The inequality y>\dfrac{1}{2}x-2 determines dotted line and top shaded region under this line.

The intersection of these two regions is the solution set to the system of two inequalities.

Points A, C, D and K belong to this region.

4 0
3 years ago
Solve the following equation
Eva8 [605]

-4y + 8 = 8y -8 + 32 - 16y
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4y + 8 -8= 24
4y = 16
Y = 4
7 0
3 years ago
In the figure, two poles are 25 m and 35 m high. A cable 23 m long Joins the tops of the poles. Find the distance between the po
sukhopar [10]

Answer: 20.71 m

Step-by-step explanation:

Given

the length of the poles are 25m and 35 m

The length of the cable is 23 m

Suppose the distance between them is x

From the figure, apply Pythagoras theorem

\Rightarrow 23^=x^2+10^2\\\Rightarrow 529-100=x^2\\\Rightarrow x^2=429\\\\\Rightarrow x=\sqrt{429}=20.71\ m

Distance between Poles is 20.71 m

6 0
3 years ago
What is the slope of the line that passes through (-1,-2) and (-1,-3)
jok3333 [9.3K]
Slope: (y2-y1)/(x2-x1)
(-3+2)/(-1+1) = -1/0 = undefined
The slope is undefined
7 0
3 years ago
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