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fredd [130]
3 years ago
9

Can someone please explain how to do this i am so confused i just want to pass this class please :(

Mathematics
1 answer:
mash [69]3 years ago
7 0

Answer:

x=6√3

Step-by-step explanation:

In 30-60-90 triangles, if the hypotenuse is <em>x</em>, the longest leg is \frac{x}{2}, and the shortest leg is \frac{x\sqrt{3} }{2}.

If the longest leg is 6, then \frac{x}{2} =6

Multiply by 2,

x=12

If x=12,

\frac{12\sqrt{3} }{2}

=6\sqrt{3}

So, the shortest leg is 6√3.

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Is 10mm/1cm a converstion factor? Explain
Alchen [17]

Answer:

Multiply by 10

Step-by-step explanation:

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3 years ago
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PLEASE HELP ME! I NEED HELP ASAP! EXPLAIN THE ANSWER!! PLEASEE I WILL MARK BRAINLIEST! HELP ASAP!!
olga55 [171]
A. The formula to find the volume of a cylinder (that's what the first shape is):
pi r^2 h      So, when you plug in the numbers and calculate, you get: 24.5pi

The formula to find the volume of a rectangular prism is: length x width x height.
6 x 9 = 54   54 x 2 = 108   

V of the first pan = 24.5pi    V of the second pan = 108  The second pan has a larger volume.



3 0
3 years ago
1. (x - 2)/ 4 - (3x + 5)/7 = - 3, x = ?
Reika [66]

Answer:

  1. x = 10
  2. B.  3/7

Step-by-step explanation:

1. (x - 2)/ 4 - (3x + 5)/7 = - 3

  7(x -2) -4(3x +5) = -84 . . . . . . . multiply by 28

  7x -14 -12x -20 = -84 . . . . . . . . eliminate parentheses

  -5x -34 = -84 . . . . . . . . . . . . . . collect terms

  -5x = -50 . . . . . . . . add 34

  x = 10 . . . . . . . . . . . divide by -5

__

2. 1/(1 + 1/(1 - 1/x)) = 4

  1 = 4(1 +1/(1 -1/x)) . . . . multiply by the denominator

  -3 = 4/(1 -1/x) . . . . . . . eliminate outer parentheses, subtract 4

  -3(1 -1/x) = 4 . . . . . . . multiply by the denominator

  -3 +3/x = 4 . . . . . . . . eliminate parentheses

  3/x = 7 . . . . . . . . . . . add 3

  x = 3/7 . . . . . . . . . . . multiply by x/7

6 0
4 years ago
The table shows the height of an object, h(t), in meters after t seconds. Use your calculator to find the quadratic function. Fi
padilas [110]
My calculator models the function as
.. h(t) = -4.9t^2 +23.4t +120

The maximum height is reached at t=-23.4/(2(-4.9)) ≈ 2.39 seconds.

7 0
4 years ago
Given the parent function of f(x) = x^(4, what change will occurr when the function is changed to f((1)/(2) x))
jarptica [38.1K]

Answer:

The graph of the function f( (1/2)x ) will expand across x-axis

Step-by-step explanation:

We have been given the function:

f(x) = x⁴

If we substitute x = (1/2)x into the given equation, we get:

f((1/2)x) = ( (1/2)x )⁴

We can simplify the equation

f((1/2)x) = = (1/2)⁴ x⁴

f((1/2)x) = = (1/16) x⁴

Graph of both of the functions is shown below. We can clearly see that that the graph of the function f((1/2)x) = = (1/16) x⁴ expands horizontally on x-axis as compared to the graph of f(x) = x⁴

5 0
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