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padilas [110]
3 years ago
12

PLEASE HELPPP!!! QUESTION AND ANSWERS IN PICTURE !!!

Mathematics
2 answers:
Mamont248 [21]3 years ago
6 0
The answer is most definitely is D. I’m very positive
Maurinko [17]3 years ago
5 0

Answer:option D is the correct answer

Step-by-step explanation:

The given triangle is a right angle triangle.

From the given right angle triangle,

The hypotenuse of the right angle triangle is 8

With m∠60 as the reference angle,

The adjacent side of the right angle triangle is 4

The opposite side of the right angle triangle is 4√3

To determine Cos 60, we would apply

the cosine trigonometric ratio.

Cos θ = adjacent side/hypotenuse. Therefore,

Cos 60 = 4/8 = 1/2

To determine Tan 60, we would apply the Tangent trigonometric ratio.

Tan θ = opposite side/adjacent side. Therefore,

Tan 60 = 4√3/4

Tan 60 = √3

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PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER
pishuonlain [190]

Answer:

3-i

Step-by-step explanation:

1-5i + 2 +4i

We add the real parts

1+2 =3

We add the imaginary parts

-5i + 4i = -1i

The complex number is

3-i

6 0
3 years ago
State whether or not the following triangles are similar. If not, explain why not. If so, write a similarity statement
valentinak56 [21]

9514 1404 393

Answer:

  a) ∆RLG ~ ∆NCP; SF: 3/2 (smaller to larger)

  b) no; different angles

Step-by-step explanation:

a) The triangles will be similar if their angles are congruent. The scale factor will be the ratio of any side to its corresponding side.

The third angle in ∆RLG is 180° -79° -67° = 34°. So, the two angles 34° and 67° in ∆RLG match the corresponding angles in ∆NCP. The triangles are similar by the AA postulate.

Working clockwise around each figure, the sequence of angles from lower left is 34°, 79°, 67°. So, we can write the similarity statement by naming the vertices in the same order: ∆RLG ~ ∆NCP.

The scale factor relating the second triangle to the first is ...

  NC/RL = 45/30 = 3/2

__

b) In order for the angles of one triangle to be congruent to the angles of the other triangle, at least one member of a list of two of the angles must match for the two triangles. Neither of the numbers 57°, 85° match either of the numbers 38°, 54°, so we know the two triangles have different angle measures. They cannot be similar.

7 0
3 years ago
How many integers between 360 and 630 are there such that they have odd number of divisors?
Kryger [21]

Answer:

7

Step-by-step explanation:

Concept to Know: "A number is a perfect square if and only if it has odd number of positive divisors "

Find all the squared values that lies between 360 and 630

360< 19², 20², 21², 22², 23², 24², 25² < 630

19², 20², 21², 22², 23², 24², and 25² are all the squared values that lies between 360 and 630. There are seven of those squared numbers so the answer is 7.

6 0
3 years ago
Mr. Bennett owns 4 restaurants. The mean number of tables is 30. Which number line shows what could happen to the mean if he buy
expeople1 [14]
Number of tables al four restaurants have;
= 4 * 30
=120 tables
Two new restaurants + 4
=6 restaurants
(120+15+9)= 144 tables
Mean = total # of tables/ total # of restaurants;
144/6
=24
This is the mean so it decreases. I hope this helps even though you didn’t actually post the number line
7 0
4 years ago
Read 2 more answers
Publix sells apples and oranges for $0.79 per pound. Marc puts 1.2 pounds of oranges in his cart then adds some apples. The tota
finlep [7]

Answer:

D

Step-by-step explanation:

you have to multiply .79 to both a and 1.2. A is wrong because it's saying we need to multiply .79 to 1.2lb. which is the weight of oranges and the total cost of apples and oranges which is 6.27.

4 0
3 years ago
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