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sergij07 [2.7K]
1 year ago
9

2×3+42×2what's 2 * 3 + 4 * 2

Mathematics
1 answer:
ludmilkaskok [199]1 year ago
3 0

To know the result, we need to make first the multiplications and then the sum, So:

2 * 3 + 4 * 2

( 2 * 3) + (4 * 2)

6 + 8

14

For the following expression, the result is:

2×3 + 42×2

(2×3) + (42×2)

6 + 84

90

Answer: 14

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Find all solutions of the equation in the interval (0,2π) <br> cot theta +root 3 = 0
Alisiya [41]

Answer:

θ = 5π/6 rad and 11π/6 rad

Step-by-step explanation:

Given the expression cotθ+√3=0

Subtract √3 from both sides

cotθ+√3-√3=0-√3

cotθ = -√3

Since cotθ = 1/tanθ

1/tanθ = -√3

Reciprocate both sides:

tanθ = -1/√3

θ = tan^-1(-1/√3)

θ = -30°

Since the angle is negative, and tanθ is negative in the second and fourth quadrant.

In the second quadrant;

θ = 180-30

θ = 150°

Since 180° = πrad

150° = 150π/180

150° = 5π/6 rad

In the fourth quadrant;

θ = 360-30

θ = 330°

Since 180° = πrad

330° = 330π/180

330° = 11π/6 rad

Hence the solutions are 5π/6 rad and 11π/6 rad.

7 0
3 years ago
Please help thank you
True [87]
Hello again
Answer: 1 1\3
~hope i help~
7 0
3 years ago
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The thickness of each type of coin is shown in the table. How much thicker is a stack of a dollars worth of nickels than a dolla
il63 [147K]

Answer:

16 nickels thicker

Step-by-step explanation:

You would need 20 nickels for 1 dollar and only 4 quarters for 1 dollar.  Do 20 minus 4 and your answer is 16 nickels. The stack of nickels is 16 coins thicker. Hope this helped!

5 0
3 years ago
What’s this answer ????????
Paraphin [41]

2= f/8

Mutiply both sides by 8

(2/(8)= 16

f/8(8)= f ( crossed out 8 and 8)

Answer: f= 16

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5 0
2 years ago
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