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raketka [301]
3 years ago
11

The graph represents the heights of two climbers on a climbing wall over a 12-minute time period.

Mathematics
2 answers:
djverab [1.8K]3 years ago
8 0

Answer:

It is C 18 feet

Step-by-step explanation:

I promise 100% because I took the test,

PLZ MARK ME BRAINLIST  & THANK ME

Fudgin [204]3 years ago
4 0

Answer:

22

Step-by-step explanation:

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The diameter of Circle terminates on the circumference of the circle at​ (3,0) and (3,−7).. Write the equation of the circle in
Verdich [7]

Step-by-step explanation:

that means the center of the circle is exactly in the middle between the 2 points.

and since both points have the same x value (so, the diameter here is a vertical line), it is ready to get the y value of the middle : (-7 - 0) / 2 = -3.5

so, the coordinates of the center are (3, -3.5).

and that makes the standard circle equation

(x - h)² + (y - k)² = r²

to

(x - 3)² + (y + 3.5)² = 3.5² = 12.25

as h, k are the coordinates of the center, and r is the radius (half the diameter).

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2 years ago
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emmasim [6.3K]

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Step-by-step explanation:

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You are standing 40 meters from the base of a tree that leans 8o away from you. The angle of elevation from you to the top of th
Y_Kistochka [10]

Answer:

the height of the tree is <em>15.49 m</em>

<em></em>

Step-by-step explanation:

Step 1:

From the figure, we can determine ∠ATB by using the fact that the sum of all the angles in a triangle add up to 180°:

∠ ATB  = 180° - 98° - 20°

∠ ATB = 62°

Step 2:

Therefore, using the law of sines, we can determine the height of the tree.

TB / sin(20°)  = 40 / sin(62°)

TB = 40 × (sin(20°) / sin(62°))

<em>TB = 15.49 m </em>

<em></em>

Therefore, the height of the tree is <em>15.49 m</em>

3 0
3 years ago
If 4 is added to 3 times a number “a” the result is 16. What is the number?
Orlov [11]

Answer:

4

Step-by-step explanation:

4+3a=16

-4. -4

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/3. /3

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5 0
3 years ago
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P would equal negative three.
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