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yKpoI14uk [10]
3 years ago
10

A tree cast a shadow 21 meters long. The angle of elevation of the sun is 51 degrees. What is the height of the tree?

Mathematics
1 answer:
Vesna [10]3 years ago
8 0

Answer:

64feet

Step-by-step explanation:

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Devaughn is 13 years older than Sydney. The sum of their ages is 77 . What is Sydney's age?
Tanya [424]
77-13=64....64÷2=32 the age should be 32
6 0
4 years ago
In 2011, the average daily temperature in Darrtown was 65°F. In 2012, the average daily temperature increased by 3% but then dec
snow_lady [41]

Answer:

64.025°F

I think I did it right

Step-by-step explanation:

65=100%

65/100=0.65

0.65=1%

3%=1.95

4.5%=2.925

65+1.95=66.95

66.95-2.925=64.025

5 0
3 years ago
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A person who spends 200,000 a year how much dose he spend on a monthly budget
QveST [7]
Hi,
The answer is 16,666.67

Solution: 200,000/year year=12 months
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7 0
4 years ago
Solve the equation.<br> у+ 3 = -у +9<br> Оy = 1<br> Оy= 3<br> O y=6<br> Оy= 9
Triss [41]

Answer:

y = 3

Step-by-step explanation:

Solve for y:

y + 3 = 9 - y

Add y to both sides:

y + y + 3 = (y - y) + 9

y - y = 0:

y + y + 3 = 9

y + y = 2 y:

2 y + 3 = 9

Subtract 3 from both sides:

2 y + (3 - 3) = 9 - 3

3 - 3 = 0:

2 y = 9 - 3

9 - 3 = 6:

2 y = 6

Divide both sides of 2 y = 6 by 2:

(2 y)/2 = 6/2

2/2 = 1:

y = 6/2

The gcd of 6 and 2 is 2, so 6/2 = (2×3)/(2×1) = 2/2×3 = 3:

Answer:  y = 3

5 0
4 years ago
Read 2 more answers
In ∆ASR, W, E and N are midpoints. Determine the lengths of each segment using the number bank.
NikAS [45]

9514 1404 393

Answer:

  A)  AS = 60

  B)  WE = 20

  C)  EN = 25

  D)  AR+RS-AS = 30

Step-by-step explanation:

Each midsegment is half the length of the parallel side. Each side is twice the length of the parallel midsegment.

A) AS = 2(WN) = 2(30) = 60

B) WE = RS/2 = 40/2 = 20

C) EN = AR/2 = 50/2 = 25

D) AR +RS -AS = 50 +40 -60 = 30

5 0
3 years ago
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