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____ [38]
3 years ago
15

A 10 feet flag stands. Point A is the top of flag, point B is End of the flag’s shadow and point C is the bottom of flag. The di

stance from point A to Point B is a total of 15 feet. What is the length of the distance from point B to C?
Mathematics
1 answer:
deff fn [24]3 years ago
3 0
the answer is 18.0277563773 feet
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They cross the y axis
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Evaluate "four dollars less than the cost<br> of a sweater" if a sweater costs $22<br> a<br> a
AleksAgata [21]
  • The actual cost of the sweater is $18

The question says to evaluate the cost of four dollars less than the cost of a sweater.

To do this, what we have to do is to create a mathematical equation of it.

Less than always insinuates that we are to subtract, and as such, we are going to subtract four dollars from the cost of the sweater to get our final answer.

Four dollars less than the cost of a sweater that costs $22 is

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Learn more about evaluating cost here brainly.com/question/14315509

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2 years ago
The domain and range of 5x squared plus 10x what is the domain and range of f of x equals 5x squared plus 10x
liberstina [14]

Answer:

Domain:  set of all real numbers

Range:  y \geq  -5

Step-by-step explanation:

We have to find the domain and range of the function:

f(x) =5x^2+10x

This is a quadratic function, shape of a "U", that's called a parabola.

The domain is the set of x values for which the function is defined.

The range is the set of y values for which the function is defined.

Normally, any parabola in the form  ax^2+bx+c  has domain as "all real numbers". This is the case for this problem as well, thus,

Domain = set of all real numbers

Now, for the range, we have to look at the minimum value of the function. So, the range would be y values greater than or equal to the minimum number. Lets find the minimum value of this function.

We have to find the value of x for which the minimum occurs by using the formula:

x=\frac{-b}{2a} =\frac{-10}{2(5)} =-1

<em><u>Note: value of a is "5" and b is "10"</u></em>

Now, we plug this into the function to find the minimum value:

f(x)=5x^2+10x\\f(-1)=5(-1)^2 +10(-1)\\f(-1)=-5

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julsineya [31]

Answer:

12 times a day.

Step-by-step explanation:

The minute hand will pass 6 on a clock from midnight to noon each day for 12 times a day.

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3 years ago
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Best estimate for 1kg =1,000g
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I think the answer is 1g

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3 years ago
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