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ivann1987 [24]
3 years ago
9

What is the value of cosine (StartFraction 4 pi Over 3 EndFraction)? cos(4pi/3)

Mathematics
2 answers:
Dominik [7]3 years ago
8 0
The answer is 1/2.....
marin [14]3 years ago
3 0

Answer:

-square root 1/2 . It is a no c. if the answer is correct plz thank

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What is 71,781 divided by 8​
Mashutka [201]
The answer is 8,972.625
7 0
3 years ago
If $a$, $b$, $c$, and $d$ are replaced by four distinct digits from $1$ to $9$, inclusive, then what's the largest possible valu
Alexxx [7]

Answer:

70

Step-by-step explanation:

  • for the value of difference to be largest, the minuend should be maximum(most possibly) and the subtrahend should be minimum

[in A-B=X, A is minuend and B is subtrahend ]

  • so, $a.b should be maximum. as there is a condition that 4 digits should be distinct, the product will be maximum if we choose 2 maximum valued numbers from the given numbers. so, one of them should be 9 and the other should be 8.

therefore, $a.b=9*8=72

  • as mentioned above, c.d$ should be minimum. this will be possible only when we choose  2 minimum valued numbers from the given numbers. so, one of them should be 1 and the other should be 2.

therefore, c.d$ = 1*2 = 2

  • hence, the difference = 72-2 = 70
  • thus,  the largest possible value of the difference $a.b - c.d$ = 70
7 0
3 years ago
Explain, with a test, why the two triangles in each figure are similar. Find the
frutty [35]

Answer:

x = 3, y = 6

Step-by-step explanation:

In the figure attached,

If ΔADE and ΔABC are similar triangles, their corresponding sides will be in the same ratio.

By this property,

\frac{AB}{AD}=\frac{AC}{AE}=\frac{BC}{DE}

\frac{AB}{AD}=\frac{AC}{AE}

\frac{AD+BD}{AD}=\frac{AE+EC}{AE}

\frac{3}{2}=\frac{x+1.5}{x}

3x = 2x + 3

3x - 2x = 3

x = 3

Similarly, \frac{AB}{AD}=\frac{BC}{DE}

\frac{3}{2}=\frac{y}{4}

y = \frac{3\times 4}{2}

y = 6

7 0
3 years ago
What is the digit in 913 and where's the digit in the tens place and the value of the digit tens someone answer for my homework
lorasvet [3.4K]
4. Period with the digits 913 is called thousands period.
5. The digit in the ten thousand place is 1.
6. The value of 9 is hundred thousands.

Hope it will help you :)
3 0
3 years ago
Read 2 more answers
9. John bought a used truck for $4,500. He made an agreement with the dealer to put $1,500 down and make payments of $350 for th
kirza4 [7]

Answer:

11.111111111111111...%

6 0
3 years ago
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