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Ilia_Sergeevich [38]
3 years ago
11

Find the unknown angle measure by solving for the given variable.

Mathematics
1 answer:
pochemuha3 years ago
8 0

Answer:

10 1/2

Step-by-step explanation:

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Ruby wants to estimate the height of a streetlamp post on her block. She stands a certain
ira [324]

Answer: The height of street  would be 3.26 feet.

Step-by-step explanation:

Since we have given that

Angle of elevation = 71°

Distance traveled = 12 feet

Angle of elevation becomes 46°.

So, the height of the street lamp post would be

h=\dfrac{d}{\cot 46^\circ-\cot 71^\circ}\\\\h=\dfrac{12}{0.965-0.344}\\\\h=\dfrac{12}{0.620}\\\\h=3.26\ feet

Hence, the height of street  would be 3.26 feet.

6 0
3 years ago
  Can someone pleaseeee help if you’re correct I’ll give u brainlist
Ne4ueva [31]

Answer:

Just about 3.6

Step-by-step explanation:

a² + b² = c²

√(a² + b²) = c

√(2² + 3²) = c

√(4 + 9) = c

√(13) = c

3.605551275 = c

c ≈ 3.6

3 0
3 years ago
Read 2 more answers
Convert 140° from degree measure to radians
larisa86 [58]

Answer:

7pi/9

Step-by-step explanation:

140 degrees * (pi/180 degrees) = 7pi/9

3 0
3 years ago
I don't get this help ?
Svetlanka [38]
I believe it would be C) 7 1/q
4 0
3 years ago
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Kevin and Randy Muise have a jar containing 85 ​coins, all of which are either quarters or nickels. The total value of the coins
beks73 [17]
Let the number of quarter be x and that of nickels be y
total number of coins will be:
x+y=85

thus
x=85-y.........i

total amount of money will be:
0.25x+0.05y=14.25....ii

substituting i in ii we get:
0.25(85-y)+0.05y=14.25
21.25-0.25y+0.05y=14.25
7=0.2y
y=7/0.02
y=35

thus
x=85-35=50
the number of quarters was 50 and that of nickels was 35
8 0
3 years ago
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