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scoray [572]
3 years ago
11

R = and c = find the missing measurement

Mathematics
1 answer:
Mumz [18]3 years ago
3 0
Divide d by 2 to get r. use the formula C=(pi)d to get C. using this formula, C should equal approximately 12.57 in. and r=2
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A building that is 100 for tall casts a shadow that makes a 30 degree angle. Approximately how long in feet is the shadow across
skad [1K]

Answer:   173.20 ft

Step-by-step explanation:

Observe the attached image. To know how long the shadow is, we must find the length of the adjacent side in the triangle shown. Where the opposite side represents the height of the building

By definition, the function tan (x) is defined as

tan(x) = \frac{opposite}{adjacent}

So

opposite = 100\ feet\\x=30\°

adjacent = l

Then

tan(30\°) = \frac{100}{l}

l = \frac{100}{tan(30\°)}

l = 173.20\ ft

4 0
3 years ago
Read 2 more answers
PLZ HELP ASAP!!! I WILL NAME BRAINLIEST!! 65 POINTS!! (:
astra-53 [7]

Answer:

1. 44 + 3x

2. 2y - 8

3. x - 6

15. 5\frac{7}{8}

16. 6\frac{1}{3}

17. 3\frac{7}{9}

Step-by-step explanation:

1. 7² + 2² - 5 - 4 + 3x

   49 + 4 - 5 - 4 + 3x

       53 - 5 - 4 + 3x

           48 - 4 + 3x

              44 + 3x

2. - y - 5 + y + 2(2y-y) - 3

     -y - 5 + y + 4y - 2y -3

      -y - 5 + 5y - 2y - 3

          4y - 2y - 5 - 3

                2y - 8

3. 5x -3 - x - 3(x + 1²)

    5x - 3 - x - 3x - 3

      4x - 3x - 3 -3

           x - 3 -3

             x - 6

15.  7\frac{1}{4} - 1\frac{3}{8}

   = 7 \frac{2}{8} - 1\frac{3}{8}

   = \frac{58}{8} - \frac{11}{8}

   = \frac{47}{8} → 5\frac{7}{8}

16.  9 - 2\frac{2}{3}

   = \frac{54}{6} - 2\frac{4}{6}

   = \frac{54}{6} - \frac{16}{6}

   = \frac{38}{6} → 6\frac{2}{6} → 6\frac{1}{3}

17.  10\frac{1}{3}  - 6\frac{5}{9}

   =  10 \frac{3}{9} - 6\frac{5}{9}

   =    \frac{93}{9} - \frac{59}{9}

   =     \frac{34}{9} → 3\frac{7}{9}

Hope this helps.

6 0
3 years ago
Today, Joel is going to an art museum to see a special exhibit. It takes Joel 25 minutes to
Marina86 [1]

Answer:

6:55 A. M. is the latest time he can leave his house

4 0
3 years ago
The straight line L has equation y = 2x - 5
Aleksandr-060686 [28]

Answer:

slope of perpendicular line - m = -1/2

passing through (-2,3)

thus,

y-3 = -1/2 (x+2)

or y = -1/2x +2

7 0
3 years ago
What is the measure of EA? Need help ASAP!
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The measurement is 51
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