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Papessa [141]
3 years ago
6

During the afternoon, and 18 foot tall tree casts a shadow 25 feet long. What is the approximate andle of elevation from the end

of the shadow to the top of the tree with respect to the ground?
Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
6 0

a tree casts a 25-foot shadow on sunny day. If the angle of elevation from the tip of the shadow to the top of the tree is 32 degree, what is the height of the tree to the nearest tenth of a foot?

 

Tan(32)=H/25

0.624869=H/25

H=.624869 X 25

H=15.6 feet-Height of the tree.

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irina [24]

9514 1404 393

Answer:

  (a, b, c) = (30, 50, 55)

Step-by-step explanation:

If we rewrite the ratio of A to B so it has the same number of ratio units as in the ratio of A to C, we have ...

  A : B = 3 : 5 = 6 : 10

  A : C = 6 : 11

so ...

  A : B : C = 6 : 10 : 11

The total number of ratio units is 27. They stand for 135 real units, so each one stands for 135/27 = 5 real units.

Multiplying the last ratio statement by 5, we find the lengths of each of the sides.

  A : B : C = 6 : 10 : 11 = 30 : 50 : 55

The side lengths are (a, b, c) = (30, 50, 55).

5 0
3 years ago
Tiana has $70 in an account. The interest rate is 5% compounded annually.
Alekssandra [29.7K]

Answer:

73 dollars and 50 cents

Step-by-step explanation:

Initial Deposit:

70

Years to Save:

1

Estimated Rate of Return

5

Compound Frequency:

Annually

Earned Interest

$3.50

Total Balance

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Hope this helps!

8 0
2 years ago
A pen costs $.59. How much would a dozen pens cost?
irinina [24]
Y= $0.59(x)
y= $0.59(12)
y=?

y is the total
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so you multiply the cost of each pen with the amount of pens
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8 0
3 years ago
Read 2 more answers
a triangle has an area of 54 m2 and a height of 9m how long is the base of the triangle entered your answer in the box
Delvig [45]
Answer:
base of the triangle = 12 m

Explanation:
Area of the triangle = 1/2 * base * height
We are given that:
area = 54 m^2
height = 9 m

Substitute in the equation to get the base as follows:
Area of the triangle = 1/2 * base * height
54 = 1/2 * base * 9
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Hope this helps :)
7 0
3 years ago
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Which number should replace the question mark in the number grid below?
-Dominant- [34]
B. 5

Each row across (left to right) adds up to 43
4 0
3 years ago
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