3 years ago

10% for infomercials in a 24 got day, how many hours of infomercials are there

Mathematics

1 answer:

Free_Kalibri [48]3 years ago

8 0

Answer:

40 yes it is i got 100 on this

Step-by-step explanation:

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The standard deviation of the set is 5.2

To find standard deviation, we take the square root of the variance.

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3 years ago

A standard six sided dice is rolled. What is te probability of rolling a 3 OR a 5

Vikki [24]

Answer:

1/3

Step-by-step explanation:

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P(3 or 5) = number of 3 or 5's / total

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3 years ago

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PLEEEASE HELLLLP!!!!!!! If x+7=2y and y=2x−1, what is the value of y?

viktelen [127]

Answer:

Step-by-step explanation:

We can add 1 to both sides of the second equation and divide by 2 to get

x = (y-1)/2

We can then substitute x in the first equation to get

(y-1)/2 + 7 = 2y

Multiply by 2

y-1 + 14 = 2y

Subtract y and combine like terms

y = 13

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3 years ago

In the parallelogram shown, AE = p − 8, CE = 2p − 58, and DE = p + 15.

Advocard [28]

What is the name of the parelellogram

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3 years ago

A square has a diagonal length of 10 ft. Draw a diagram and determine the perimeter of the square.

denpristay [2]

The perimeter of the square is: $20\sqrt2$ ft

Step-by-step explanation:

The picture is attached with the answer.

the diagonal of a square divides it into two right angled-triangles.

We can use one of the triangle to find the length of side as the diagonal will be the hypotenuse of the triangle

Let a be the side of the square, then according to Pythagoras theorem

$d^2=a^2+a^2\\(10)^2 = 2a^2\\2a^2=100$

Dividing both sides by 2

$\frac{2a^2}{2}=\frac{100}{2}\\a^2=50$

Taking Square root on both sides

$\sqrt{a^2}=\sqrt{50}\\a=\sqrt{25*2}\\a=\sqrt{5^2 * 2}\\a=5\sqrt{2}\ ft$

Now,

$P = 4a\\P = 4 * 5\sqrt{2}\\=20\sqrt{2}\ ft$

Hence,

The perimeter of the square is: $20\sqrt2$ ft

Keywords: Perimeter, Pythagoras Theorem

Learn more about Square at:

#learnwithBrainly

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3 years ago

10% for infomercials in a 24 got day, how many hours of infomercials are there​

10% for infomercials in a 24 got day, how many hours of infomercials are there