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3 years ago

11

Cos(30 +x) =5/3 find x

2 answers:

masha68 [24]3 years ago

8 0

Answer:

no solution

Step-by-step explanation:

denis23 [38]3 years ago

5 0

Answer:

Step-by-step explanation:

I get no solution also (the answer is imaginary).

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(3a ^2 + 1) - ( 4+2a^2)

xz_007 [3.2K]

Answer:

a^2 - 3

Step-by-step explanation:

(3a^2 + 1) - (4 + 2a^2)

3a^2 + 1 - 4 - 2a^2

a^2 - 3

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3 years ago

When determining the volume of a shape, you should use cubic units in your final answer. true or false.

Phoenix [80]

Answer:

true

Step-by-step explanation:

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3 years ago

Micheal took his brother to the movies. Micheal paid regular price, but it cost $2 less for his brother at the child price. It c

iren [92.7K]

It cost $5 for his brother's ticket.

Step-by-step explanation:

Let,

Micheal's ticket price= x

His brother ticket price = y

According to given statement;

x+y=12 Eqn 1

y = x-2 Eqn 2

Putting value of y from Eqn 2 in Eqn 1

$x+(x-2)=12\\x+x-2=12\\2x=12+2\\2x=14\\$

Dividing both sides by 2;

$\frac{2x}{2}=\frac{14}{2}\\x=7$

Putting x=7 in Eqn 2

$y=7-2\\y=5$

It cost $5 for his brother's ticket.

Keywords: linear equation, substitution method

Learn more about linear equations at:

#LearnwithBrainly

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4 years ago

There were 3995 more hits on the school's website in January than February. February had 9854 hits. How many hits did the school

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