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3 years ago

10

A shadow 16 meters long is cast by a fir tree that is 30 meters tall. What is the length of the shadow cast by a nearby sailboat

mast that that is 15 meters tall?

1 answer:

sveticcg [70]3 years ago

6 0

The sailboats shadow will be 8 meters tall

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There are 60 balloons. 4/12 are black and 3/12 are white. The rest are red. How many are red?

nordsb [41]

Answer:

25

Step-by-step explanation:

4/12+3/12=7/12

1-7/12=5/12 are red

5/12 of 60=25

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2 years ago

What is a rational expression R(x)

kiruha [24]

An irrational number cannot be expressed as a ratio between two numbers and it cannot be written as a simple fraction because there is not a finite number of numbers when written as a decimal. Instead, the numbers in the decimal would go on forever, without repeating.

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2 years ago

Identify the vertex of the graph. Tell whether it is a minimum or maximum.

kolezko [41]

Answer: (-2, -2) minimum

Step-by-step explanation: since the graph is going upwards and the arch of the graph is the lowest point in the graph, it will be a minimum point. to find this minimum point, look at what point the lowest point of the graph (for this graph, it is (-2, -2) )

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1 year ago

Brandon rolls a six sided die twenty times, and records the result in the table below. how many times did brandon roll above the

Radda [10]

The average is the arithmetic mean of all the observations of a set of numbers. The number of times Brandon rolls above the average is 7.

<h3>What is average?</h3>

The average is the arithmetic mean of all the observations of a set of numbers. it is found by dividing the sum of all the observations of the set by the number of observations in the set.

$\rm{Average=\dfrac{Sum\ of\ observations}{Number\ of\ observations}$

In order to know the number of times Brandon rolls the dice above the average, we first need to calculate the average of the twenty rolls.

The average of the 20 times dice rolls,

$\rm Average = \dfrac{6+1+3+4+4+4+6+5+5+3+6+4+4+5+2+3+5+4+4+2}{20}$

$\rm Average = \dfrac{80}{20} = 4$

Thus, the average of the 20 rolls of the dice is 4.

Now, the number of times the result of the dice roll is above 4(x>4) is 7.

Hence, the number of times Brandon rolls above the average is 7.

Learn more about Average:

brainly.com/question/2426692

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2 years ago

The image below is a triangle drawn inside a circle with center O:Which of the following expressions shows the area, in square i

zaharov [31]

The Area of a circle =π.R² (R=radius). & π 3.14

Since you didn't give the length of the Radius, then the area of the circle=3.14R²

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3 years ago