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Aleonysh [2.5K]
2 years ago
15

A Question 2 (1 point) Retake question

Mathematics
1 answer:
forsale [732]2 years ago
4 0

Consider the provided phrase.

Four times the sum of five and a number

Let the number is n and the sum of five and a number can be written as:

n+5

Thus, four times the sum of five and a number can be written as:

4(n+5)

Hence, the required expression is 4(n+5).

What is phrase in math?

In mathematics, we may use a phrase to describe an expression. When we describe an expression in words that incorporates a variable, we are doing so by using an algebraic expression. An example of this may be the phrase "greater than" (an expression with a variable).

run the numbers. to conduct a rational analysis of an issue. You can do the math because I was the last person to depart yesterday night and the first person to arrive this morning, and since only the overweight security guy was present. on April 7, 2005, by Dave L. Flag.

Learn more about phrase brainly.com/question/7484425

#SPJ9

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vivado [14]

Answer:

A ≈ 9.0 ft²

Step-by-step explanation:

70° = 7π/18 radians

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A = ½(7π/18)8² = 12⁴/₉π ft² = 39.09537 ft²

As the triangle is isosceles, the other two angles are (180 - 70) / 2 = 55°

law of sines 8 / sin55 = L / sin 70  L = 9.17722

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7 0
3 years ago
The right triangle above has height h centimeters and hypotenuse t centimeters. What is the area, in square centimeters, of the
White raven [17]

Answer:

A = \frac{h\sqrt{t^{2} - h^{2}}}{2}

Step-by-step explanation:

Right triangle:

height h, width w, hypotenuse h

Area is: A = \frac{h*w}{2}

Pytagoras theorem: h^{2} + w^{2} = t^{2}

In this question:

To find the area, in terms of h and t, we have to write w as a function of h and t. So

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w^{2} = t^{2} - h^{2}

w = \sqrt{t^{2} - h^{2}}

So the area is:

A = \frac{h*w}{2}

A = \frac{h\sqrt{t^{2} - h^{2}}}{2}

8 0
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