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Mathematics

1 answer:

kobusy [5.1K]2 years ago

8 0

Answer: -279

Step-by-step explanation:

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What is the value of tan(60°)? 를 12 1300 B 600

tankabanditka [31]

Answer:

Step-by-step explanation:

tan (60)=(sin 60)/cos 60=(√3/2)/(1/2)=√3≈1.732

5 0

2 years ago

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snow_lady [41]

Our equation is:

(x/-4)+11=5; we need to get x by itself in order to solve. Let's subtract 11 from both sides. (x/-4)=-6; let's now multiply both sides by -4. x=24; let's check to see if x is 24 by plugging it in.

24/-4=-6+11=5

So, x=24.

4 0

2 years ago

8. On a number line, which is closest to zero:

kari74 [83]

B 0.17 is closest to 0

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2 years ago

den301095 [7]

X+2y
Plug in the variables
4+2(7)
4+14
x+2y=18

8 0

2 years ago

Plzzzzzzzz! A suitcase lock has a code 4 symbols long. The symbols on the lock are a star, a square, a circle, a triangle, a lin

34kurt

Answer:

$\dfrac{1}{30}$

Step-by-step explanation:

6 symbols and 4-symbol code so number of combinations wich doesn't contain the same symbol twice would be:

6•5•4•3 = 360

If code starts with a star followed by triangle that means only one posibility for first two symbols and code doesn't containing the same symbol twice means that left 4 symbols for next two.

So number of combinations of code starting with a star followed by triangle and doesn't containing the same symbol twice will be:

1•1•4•3 = 12

The probability that a randomly chosen code starts with a star followed by triangle and doesn't contain the same symbol twice:

$\dfrac{1\cdot1\cdot4\cdot3}{6\cdot5\cdot4\cdot3}=\dfrac{1\cdot1}{6\cdot5}=\dfrac{1}{30}$

7 0

3 years ago