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Serjik [45]
3 years ago
10

Find the missing side of the triangle

Mathematics
2 answers:
Flauer [41]3 years ago
7 0

Step-by-step explanation:

In a right triangle, you can find the leg of the triangle by using the Pythagorean theorem.

a^2+b^2=c^2

In this case, we have 7^2+7^2=c^2, or

c^2=98

\sqrt{98}≅9.9

stepan [7]3 years ago
3 0

Answer:

x = 7\sqrt{2}

Step-by-step explanation:

Pytago:

7^2 + 7^2 = x^2\\x = \sqrt{7^2 + 7^2} \\x = 7\sqrt{2}

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Yuri [45]

20 + 5 + 2 + 3 + 1 minus 1 =30

4 0
2 years ago
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How can exponential and logarithmic functions be combined
natulia [17]
Well.. .not exactly what you're asking, but the relationship of them is 
{
log_{{  a}}{{  b}}=y \iff {{  a}}^y={{  b}}\qquad\qquad 
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4 0
3 years ago
The perimeter of a rectangle is (10x2).if it's width is (2x-1),which expression represents the length
alexandr402 [8]

Answer: b. 3x + 2

Step-by-step explanation:

2l + 2w = p

2l + 2(2x - 1) = 10x + 2

2l + 4x - 2 = 10x + 2

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4 0
3 years ago
The manufacturer of Pepsi claims that its 2-liter bottles contain, on average, no more than 250 calories. A sample of 20 2-liter
Stels [109]

Answer:

Yes, Sample information does indicate that a 2-liter bottle of Pepsi contains more than 250 calories  

Step-by-step explanation:  

Null Hypothesis [H0] : u < 250  

Alternate Hypothesis [H1] : u > 250 {One Tail}  

t = (x' - u) / [ sd / √n ]  

= (255 - 250) / (5.6 / √20)  

5 / (5.6 /√20)  

= 3.99  

As t ie 3.99 > t value 1.65 ie for one tail 95% confidence level. So, we reject the null hypothesis & conclude that it contains more than 250 calories.  

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frutty [35]
It would take 120 minutes
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