3 years ago

8 A television show uses 15 minutes of every hour for commercials, leaving

1 answer:

8 0

C 1:3

15:45 can be simplified by dividing by 15 to give you a ratio of 1minute if commercials for every 3 minutes of the actual show

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Find the measure of each interior angle in a regular 18-gon

EastWind [94]

Answer:

A polygon with 18 sides has 18 interior angles. Therefore, to find the measure of one of these angles, divide the sum by 18. Answer: Each angle is 160 degrees.

Step-by-step explanation:

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3 years ago

PLEASE HELP! A positive number is 1/3 of another number. The sum of the numbers is five less than the square of the larger numbe

antoniya [11.8K]

Answer: The numbers are 1 and 3.

Step-by-step explanation:

Let x = smaller number , y= larger number.

As per given,

$x=\dfrac{y}{3}$ ...(i)

$x+y=y^2-5$ ...(ii)

Put value of x from (i) in (ii)

$\dfrac{y}{3}+y=y^2-5\\\\\Rightarrow\ \dfrac43y=y^2-5\\\\\Rightarrow\ 3y^2-4y-15=0\\\\\Rightarrow\ 3y^2-9y+5y-15=0\\\\\Rightarrow\ 3y(y-3)+5(y-3)=0\\\\\Rightarrow\ (y-3)(3y+5)=0\\\\\Rightarrow\ y=3 \ \ or\ y=\dfrac{-5}{3}$

Since numbers are positive , so y=3 is correct.

And x will be 1 [from (i)]

Hence, the numbers are 1 and 3.

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2 years ago

5) Mrs. Bell went bowling again. Her bowling scores were 100, 172, 85, and 92. She wants

Alex73 [517]

Answer: She needs to bowl 120 or more on her next game.

Step-by-step explanation:

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3 years ago

Name the property the equation illustrates 7+(4+4)=(7+4)+4

attashe74 [19]

the associative property of addition. Try and memorize the different properties. youll need to know them later on. I hope this helped!

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3 years ago

3) What is the degree of the polynomial 5 + 4x^2 + 3^3 − 5<br> A) 1 <br> B) 2<br> C) 3 <br> D) 4

Marina86 [1]

Answer:

its B

Step-by-step explanation:

have a great day my man

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3 years ago