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sladkih [1.3K]
3 years ago
14

Use a special right triangle to write tan 60° in simplest radical form.

Mathematics
2 answers:
pentagon [3]3 years ago
8 0

Answer:

√3

Step-by-step explanation:

                               opposite side         (√3)/2

tan 60 degrees = ------------------------- = ------------ = √3

                                  adjacent side          1/2

Tems11 [23]3 years ago
6 0
Tan 60 in radical for is square root of 3
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A biker moves 2.5 times faster than a walker. They started moving simultaneously in the same direction from the same point. In t
saveliy_v [14]

Answer:

The speed of the biker is 15

Step-by-step explanation:

First, you call the speed of the walker x, and the speed of the biker 2.5x.

Then you know that speed times time equals distance, so you set up and equation. You do x times 2, which is 2x, and then 2.5x times 2, which is 5x. Then, since the distance between them is 18 miles, the equation would be 5x-2x=18. You would get 3x=18, and x is 6. So 6 is the speed of the walker, and 6 times 2.5 = 15, so the speed of the biker is 15.


5 0
3 years ago
Read 2 more answers
Sam's closet contains blue and green shirts. He has eight blue shirts, and seven green shirts. Five of the blue shirts have stri
Bas_tet [7]

Answer:  The answer is 80%.


Step-by-step explanation:  Let us define the following events.

B = the event that the shirt is blue,

G = the event that the shirt is green

and

S = the event that the shirt is striped.

So, n(B) = 8,  n(G) = 7,  n(B and S) = 5, n(G and S) = 4.

n(S) = 5 + 4 = 9.

We have

n(B\cup S)=n(B)+n(S)-n(B\cap S)=8+9-5=12.

Therefore, the required probability is

p=\dfrac{n(B\cup S)}{8+7}=\dfrac{12}{15}=\dfrac{4}{5}=0.8=80\%.

Thus, the answer is 80%.


3 0
3 years ago
Can someone please help me?
larisa86 [58]

We know that a triangle equals 180 degrees in total. We also know one of the angles so we can do 180-84= 96. This means that the other two angles must be equal to 96 degrees. We then set up (x+59)+(x+51)=96 "since both of the angles must add up to 96." Then we add like terms and get 2x+110=96. Further simplification gives us x= -7. Plug this into both angles and you get that angle A is 44 degrees.

8 0
3 years ago
For what values of x will 8+x to the third power be negative
Ganezh [65]

(8+x)^3 < 0

take the cube root

8+x <0

subtract 8

x<-8

Answer x<-8

6 0
3 years ago
For each pair of jeans i will buy 3 sweaters. how many sweaters can i buy if i have $255​
Zepler [3.9K]

You can buy 85 sweaters. Plze mark me brainiest:)

7 0
3 years ago
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