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MrMuchimi
2 years ago
7

Una persona observa un pájaro que esta en la copa de un árbol de 2 m de altura y un gato que esta en el pie del mismo árbol a la

espera de atrapar el pájaro. y si la persona esta a 3 m del árbol.
a)¿ que medidas aproximadas tienen los ángulos de depresión y de elevación e esta situación?
b) ¿de que dependerá que los ángulos de elevación y de deprecio cambien en este estilo d análisis?
c)¿es posible que alguno de los ángulos(el de elevación o el de deprecio) sean mayores o iguales a 99º? explica tu respuesta

Mathematics
1 answer:
alex41 [277]2 years ago
7 0

Answer:

a)  About 40° and 5 °; b) the height of the person; c) none

Step-by-step explanation:

(a) Angles of depression and elevation

The angle of depression is about 40°.

The angle of elevation is about 5°.

(b) Dependence of angles

The angles of elevation and depression depend on the height of the person.

The taller the person, the smaller the angle of elevation and the larger the angle of depression.

(c) Limitations of angles

There is no chance that either angle could be greater than or equal to 99°.

Each is part of a right triangle.

If one angle is a right angle, each of the other two angles must be less than 90°.

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2 years ago
Hans spent three days baking 224 cookies. On the second day, he baked twice as many as he did on the first day. On the third day
sergeinik [125]

Answer:

222 im my answer

Step-by-step explanation:

7 0
2 years ago
Jennifer has a square bedroom. The area of her room is 144 ft2. What is the length of one side of Jennifer’s room?
Jobisdone [24]

Answer:

Option B. 12\ ft

Step-by-step explanation:

we know that

The area of a square is equal to

A=x^{2}

where

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A=144\ ft^{2}

substitute and solve for x

144=x^{2}

suqre root both sides

x=12\ ft

7 0
2 years ago
The daily energy requirement, E (kilojoules), for a person of mass m ( kilograms) is calculated using the rule E=9m+8100
Wewaii [24]
For this case we have the following equation:
 E = 9m + 8100
 Substituting E = 8865 we have:
 8865 = 9m + 8100
 Clearing m we have:
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8 0
2 years ago
△XYZ was reflected over a vertical line, then dilated by a scale factor of , resulting in △X'Y'Z'. Which must be true of the two
Igoryamba

Answer:

correct option is △XYZ ~ △X'Y'Z'.

Step-by-step explanation:

since ΔXYZ is dilated by some scale factor so, the resulting triangle can not be congruent to the ΔXYZ. so option 2 is wrong.

as we have explained that the two triangles are not congruent then it's sides and angles also can't be congruent so, option 3 is also incorrect.

As we don't know by what factor the triangle XYZ is dilated so we can't say anything about correctness of option 4 and 5.

ΔXYZ  was reflected over a vertical line and then dilated so the resulting ΔX'Y'Z' is similar to ΔXYZ.

i.e., △XYZ ~ △X'Y'Z'.

5 0
2 years ago
Read 2 more answers
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