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Mazyrski [523]
3 years ago
8

Can u help me please i dont get it please

Mathematics
1 answer:
mojhsa [17]3 years ago
7 0

16. 54.

17. 840

18. 70

19. 30

20. 3

21. 2

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24 minutes

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5 less than the square of a number
yanalaym [24]

x^2 - 5 this will be the equation formed.

<h3>What is exponents?</h3>

An exponent is the number of times a number is multiplied by itself. For example, 2 to the third (written as 23) means: 2 x 2 x 2 = 8. 23 is not the same as 2 x 3 = 6. Remember that a number raised to the power of one is itself.

<h3>Calculation </h3>

let the number be x

x^2 - 5 this will be the equation formed

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0.4(5x – 12) + 0.5x = 15.2
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<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em> </em><em>⤴</em>

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For the following right triangle, find the side length x. Round your answer to the nearest hundredth.
tia_tia [17]
<h3>Answer:  6.93</h3>

Work Shown:

Use the pythagorean theorem to find x

a^2 + b^2 = c^2

x^2 + 11^2 = 13^2

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x^2 = 169 - 121

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One of two complementary angles measures 30 degrees more than three times the other. Find each angle.
Leviafan [203]

The two complementary angles are:

95° and 15°

Step-by-step explanation:

Let x be one angle

then the other angle will be 90-x

As the sum of complementary angles is 90

So,

then according to statement

x = 3(90-x)+30\\x = 270-3x +30\\x = 300-3x\\x+3x = 300\\4x = 300\\x = \frac{300}[4}\\x = 75\\and\\90 -x = 90 - 75 = 15

The two complementary angles are:

95° and 15°

Keywords: Angles, triangles

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