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ivanzaharov [21]
3 years ago
14

If x to the 2nd power =20 what is the value of x

Mathematics
2 answers:
11111nata11111 [884]3 years ago
7 0
X= 4.47213595 Is the answer to the question just round to the nearest 10th
julsineya [31]3 years ago
5 0

Answer:

4.47 and -4.47 ( to nearest hundredth)

Step-by-step explanation:

x^2 = 20

x = +/- sqrt 20

=  +/- sqrt 4* 5

= +/- 2 sqrt5

= +/- 4.47  to nearest hundredth

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Last question I have ​
marta [7]
X=13

Hope this helps!
5 0
3 years ago
A square with side length 5.5 mm is increased by a factor of 11. What will be the perimeter of the square after dilation?
lions [1.4K]

Answer:

The perimeter of the square after dilation will be 242 mm

Step-by-step explanation:

5.5*11 = 66.5\\P = 4s\\P = 4(66.5mm)\\P = 242mm

3 0
3 years ago
A fish tanks dimensions are 20x30x12 in. It's filled with water to a depth of 10in. When 2L more water is added, some water over
Reptile [31]
Um I'm not sure but I think it's 2 inches
6 0
3 years ago
17. What are the three angle measures in the triangle shown below?
lianna [129]

Answer:

Option (1)

Step-by-step explanation:

By using triangle sum theorem in the given triangle,

(5x - 7)° + (11x - 4)° + (3x + 1)° = 180°

(5x + 11x + 3x) - (7 + 4 - 1) = 180

19x - 10 = 180

19x = 190

x = 10

Therefore, (3x + 1)° = 30 + 1

                                = 30°

(11x - 4)° = 110 - 4

              = 106°

(5x - 7)° = 43°

Therefore, Option (1) will be the correct option.

4 0
3 years ago
How do you do 5ln x= 35....?
sergejj [24]

That's going to depend a lot on what you want to "do" to it.

I'm going to assume that you want to find a number for 'x' that makes
the whole equation a true statement.  Here's how I would do it:

                                  <u> 5 ln(x) = 35</u>

Divide each side by  5:  ln(x) = 35/5
                                      ln(x)  =  7

Raise 'e' to the power of each side:    e^[ ln(x) ] = e⁷

But  e^[ ln(x) ] is just 'x'.  So x = e⁷ = <em>1,096.633...</em> (rounded)

That's the only number you can write in place of 'x'
and make the original equation true.


5 0
3 years ago
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