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3 years ago

What is the sum of the degrees of the interior angles of a 19-gon?

1 answer:

7 0

Sum of interior angles formula = (n-2) x 180
where n = number of sides

so,
( 19-2 ) x 180
= 17 x 180
= 3060

ans : A

hope it helps :)

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(b) Write the ratio 12:30 in the form 1:n

kari74 [83]

answer:

1 : 2.5

explanation:

given ratio: 12 : 30

divide by 12:

$\frac{12}{12}$ : $\frac{30}{12}$

1 : 2.5

n = 2.5

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1 year ago

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vlabodo [156]

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Step-by-step explanation:

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2 years ago

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20.5 is the IQR of the given set of numbers.

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2 years ago

What is the equation?

zavuch27 [327]

Answer:

$\displaystyle 5x + 6y = 72\:or\:y = -\frac{5}{6}x + 12$

Step-by-step explanation:

Perpendicular equations have OPPOCITE MULTIPLICATIVE INVERCE RATE OF CHANGES [SLOPES], so 1⅕ becomes −⅚, and we move forward with plugging the information into the Slope-Intercept formula:

$\displaystyle -8 = -\frac{5}{6}[24] + b \hookrightarrow -8 = -20 + b; 12 = b \\ \\ \boxed{y = -\frac{5}{6}x + 12}$

To write this in Linear Standard Form, perfourm he following:

y = −⅚x + 12

+ ⅚x + ⅚x

___________

⅚x + y = 12 [We cannot leave the equation this way, so multiply the equation by the denominatour to eradicate the fraction.]

6[⅚x + y = 12]

$\displaystyle \boxed{5x + 6y = 72}$

I am joyous to assist you at any time.

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1 year ago

Complete the table of values for

Andreyy89

Answer:

Step-by-step explanation:

Plug each value of x into the equation and solve for the corresponding y value.

When x = -1, y = (-1)²-2(-1) = 3

When x = 0, y = 0² - 2(0) = 0

You can finish from here.

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2 years ago