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vfiekz [6]
3 years ago
13

the angle of elevation of a top of a tree from a certain point on the ground is 45 degree. if the tree is 15 meters high,how is

the point from the bottom of the tree.​
Mathematics
1 answer:
Sphinxa [80]3 years ago
6 0

Answer:

15m

Step-by-step explanation:

tan° = opposite/ adjacent

tan45 = 15/x

1 = 15/x

and = 15

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Five numbers that round up to 2.95
MariettaO [177]
2.949, 2.948, 2.947, 2.946, 2.945
8 0
3 years ago
A blueprint for a fence has a scale of 1:40 the fence in the blueprint is 6 in what is the actual length
pentagon [3]
We are working with completing ratios.
So we have the initial ratio 1:40.
We need to solve 6:x
What we do to one side of a ratio, we have to do to the other so it is even.
We multiplied the blueprint by 6, so we need to multiply the other side.
6×40
240
So, the actual length is 240 in (not sure if that is the unit of measurement since it is not listed).
5 0
3 years ago
Leah claims that these figures are not similar. When she compared the heights, she wrote 2/7. Then she compared the bases and 21
antiseptic1488 [7]

Answer:

The two figures are similar and hey are not solid.

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.  

<em>Leah claims that these figures are not similar. When she compared the heights, she wrote 2/7. Then she compared the bases and 21/6. Why is Leah having trouble? Explain completely</em>

(Please have a look at the attached photo)

My answer:

In the first ratio, she compared the small figure's height to the large figure's height that is: 2/7

In the second ratio, she compared the large figure's base to the small figure's base that is: 21/6

=> She is wrong in this step, the ratio must be 6/21

Hence she needs to compare bases and heights thorugh division because the ratio between heights and the ratio between bases must be equal

\frac{21}{6}=3.5\\\frac{7}{2}=3.5

The scales are equal

=> Therefore, those rectangles are congruent.

8 0
3 years ago
after being discounted 40%, weather radio sells for $35.97. find the original price (round your answer to the nearest cent)
Wittaler [7]

Answer:

$89.93

Step-by-step explanation:

Set up an equation:

Variable x = original price

40/100 = 35.97/x

Cross multiply

40 × x = 100 × 35.97

40x = 3597

Divide both sides by 40

x = 89.925

Round to the nearest cent:

5 rounds up so:

89.93

Check your work (use the original number instead of the rounded number to be more exact):

89.925 × 40%

Convert the percentage into a decimal to multiply:

89.925 × 0.40

35.97

Correct!

4 0
3 years ago
Read 2 more answers
What is the rank of Brazil. (Percentile wise)
Alina [70]

Answer:

I dont know it this is the answer u r looking for but out of everything on the list, brazil has 2.2222222222222 percent

7 0
3 years ago
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