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3 years ago

What is the value of x? ill give brainliest!

Mathematics

2 answers:

Lyrx [107]3 years ago

8 0

Answer:

x = 120 degree

Step-by-step explanation:

Corresponding angels

Zanzabum3 years ago

7 0

Answer:

I think x is 60

Step-by-step explanation:

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Is domain of f(x,y) = 1 + (4 -y^2)^1/2 open, closed or neither is it bounded or unbounded?

omeli [17]

Answer:

Closed and Bounded.

Step-by-step explanation:

Hi there!

1) Let's start by finding the values in which the function is defined. Remember that this can be rewritten:

$f(x,y) = 1 + (4 -y^2)^{\frac{1}{2}} \:id\:est\:f(x,y)=1+\sqrt{(4 -y^2)}$

Since every quadratic root are defined for values $\geq$ 0 then, this help us to understand that we need calculate what interval this Domain is:

$4-y^{2} \geq 0\\4-y^{2}-4\geq -4\\-y^{2}\geq-4 \\y^{2}\leq4\\-2\leq y\leq 2$

$D=[-2,2]$

2) Graphically speaking, the domain is closed. For the values -2 and 2 are included, and bounded.

Bounded functions have all of their points contained by some circle origin centered. Check it out below.

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4 years ago

rob is saving to buy a new mp3 player. For every $15 he earns babysitting, he saves $7. On Saaturday, Rob erened $30 babysitting

Lapatulllka [165]

Answer:

thanks for the points

Step-by-step explanation:

7 0

3 years ago

Express the decimal as a percent 0.523 Equals ? %

Brums [2.3K]

52.3% you just move the decimal
I hope this helped!

7 0

3 years ago

Read 2 more answers

Trigonometry!!!! find y round to the nearest tenth!

LekaFEV [45]

Answer:

Step-by-step explanation:

We can use Tan 27° to find the missing side (in this case, the opposite side to the angle measuring 27°)

Tan A = (opposite side)/(adjacent side)

Tan 27° = y/350

solve for y

350(Tan 27°) = y

178.3 = y (rounded to the nearest tenth)

3 0

3 years ago

In a drama classroom, 75% of the students are chosen to perform a play. Of those choosen, 15% have singing roles. What is the pr

Nikolay [14]

Answer:

1/5 or 0.2

Step-by-step explanation:

probability=No of students with singing roles/No of people in the play
15/75=1/5 or 0.2

4 0

4 years ago