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3 years ago

What is the value of y?

Mathematics

2 answers:

belka [17]3 years ago

6 0

Answer:

Step-by-step explanation:

y=(180º-72º)/2

y=108º/2

y=54º

Tju [1.3M]3 years ago

3 0

Answer:

d. 54

Step-by-step explanation:

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Please help with this question

natita [175]

Answer:

$12\sin{(2\theta)}\cos{(\theta)}$

Step-by-step explanation:

The appropriate trig identity is ...

$\sin{a}+\sin{b}=2\sin{\left(\dfrac{a+b}{2}\right)}\cos{\left(\dfrac{a-b}{2}\right)}$

Here, you have a scale factor of 6 and a=3θ, b=θ. Filling in these values gives ...

$6\sin{3\theta}+6\sin{\theta}=12\sin{\left(\dfrac{3\theta+\theta}{2}\right)}\cos{\left(\dfrac{3\theta-\theta}{2}\right)}\\\\=12\sin{(2\theta)}\cos{(\theta)}$

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2 years ago

Help asap plzzz I NEED HELP !!!!!!!!

Vedmedyk [2.9K]

Answer:

1520.5 in^2

Step-by-step explanation:

Surface area=2*pi*r^2+2*pi*r*h=2*pi*r*(r+h)=2*pi*11*22=1520.5 in^2

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2 years ago

Can you solve the equation?

Andreas93 [3]

Answer:

x=3 and 9

Step-by-step explanation:

; x-3=0

x=3 (change side change mark)

and

$\frac{2}{3} x - 6 = 0$

$\frac{2}{3} x = 6$

$x = 6 \times \frac{3}{2}$

change side change mark.

So, x=9

If u wanna check the answer you can check by substitution x=3 and 9 in equation.

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2 years ago

Karen is taking a standardized test. The more questions she answers correctly, the greater her final test score will be.

svp [43]

Step-by-step explanation:

independent is questions answered correct

dependent is final test sore.

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3 years ago

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The photo has a width of 720 pixels. The photo has a height of 540 pixels.

jarptica [38.1K]

Answer:

<h2>Required Answer :-</h2>

Ratio = Width: Height

Ratio = 720 : 540

Cancelling 0

Ratio = 72 : 54

Cancelling by 9

Ratio = 8 : 6

Cancelling be 2

Ratio = 4 : 3

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3 years ago

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