3 years ago

What is the name of this angle?

1 answer:

kramer3 years ago

7 0

The correct answer is A.) Obtuse.

When an angle is over 90° it is considered an obtuse angle. Any angle that measures under 90 is an acute angle.

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To measure the height of a tree, a surveyor walked a short distance from the tree and found the angle of elevation was 43.9°, th

padilas [110]

Answer:

The height of the tree is H = 77.06 m

Step-by-step explanation:

From Δ ABC

AB = height of the tree

$\tan 43.9 = \frac{AB}{BC}$

$\tan 43.9 = \frac{h}{x}$

h = 0.9623 x ------- (1)

From Δ ABD

$\tan 37.6 = \frac{h}{20+ x}$

h = 0.77 (x + 20) ----- (2)

Equating Equation 1 & 2 we get

0.9623 x = 0.77 (x + 20)

0.9623 x = 0.77 x + 15.4

x (0.1923) = 15.4

x = 80.08 m

Thus the height of the tree is given by

H = 0.9623 x

H = 0.9623 × 80.08

H = 77.06 m

Therefore the height of the tree is H = 77.06 m

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3 years ago

Read and follow the directions below. 1. Imagine a deck of 52 cards, ranging from twos through the face cards to aces, all in fo

mel-nik [20]

Answer: A) 30 cards

<u>Step-by-step explanation:</u>

1. 52 cards

2. subtract red suit cards: 52 - 26 = 26

3. add back the hearts: 26 + 13 = 39

4. remove the 3 remaining jacks, 3 remaining queens, & 3 remaining kings: 39 - 9 = 30

There are 30 cards remaining

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3 years ago

Can anyone help with this math problem?

Ne4ueva [31]

The answer is 8. You rewrite the fraction as 5.25.

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2 years ago

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The price of a dress is reduced by 50%.when the dress still does not sell, it is reduced by 50% of the reduced price. if the

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36 × 4
= $144
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Q6. Write these numbers in order of size.

ki77a [65]

Answer:

It should be <u>-5, 5 to the power of -1, 0.5, 5 to the power of 0</u> in least to greatest form.

Step-by-step explanation:

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2 years ago