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zmey [24]
3 years ago
13

Rewrite as a simplified fraction 1.6 <-- repeating=?

Mathematics
1 answer:
Norma-Jean [14]3 years ago
6 0
1.6666...=1.\overline{6}=1.(6)\\\\x=1.6666...\ \ \ |multiply\ both\ sides\ by\ 10\\10x=16.6666...\\\\10x-x=16.6666...-1.6666...\\9x=15\ \ \ \ |divide\ both\ sides\ by\ 9\\\\x=\frac{15}{9}\\\\\boxed{x=1\frac{6}{9}}\\\\simplify\\\\x=1\frac{6:3}{9:3}=\boxed{1\frac{2}{3}}
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MATH HELP PLEASE!!!! WILL MARK BRAINLIEST
Ierofanga [76]

Answer:

Prime:  x^2 + 17x - 30.

Difference of 2 squares:  256x^4 - 49x^2.

GCF:  4x^2 - 24x + 144.

Perfect Square trinomial:  4a^6 - 28a^3 + 49

Factoring Trinomial: b^2 + 5b - 36.

Step-by-step explanation:

1.  x^2 + 17x - 30 will not factor.

2.  256x^4 - 49x^2 = (16x^2 + 7x)(16x^2 - 7x)

3.   4x^2 - 24x + 144 = 4(x^2 - 6x + 36).

4.   4a^6 - 28a^3 + 49 = (2a^3 - 7)^2.

5.    b^2 + 5b - 36 = (b + 9)(b - 4).

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3 years ago
How do you spell 57 in word form
bagirrra123 [75]

fifty-seven is how you spell 57 in word form.
6 0
3 years ago
Read 2 more answers
Each leg of a 45-45-90 triangle has a length of 6 units. What is the length of its hypotenuse?
andreyandreev [35.5K]
Use the Pythagorean theorem:
(\hbox{one leg})^2+(\hbox{the other leg})^2=(\hbox{hypotenuse})^2 \\&#10;6^2+6^2=x^2 \\&#10;6^2 \times 2=x^2 \\&#10;\sqrt{6^2 \times 2}=x \\ \sqrt{6^2} \times \sqrt{2}=x \\ 6\sqrt{2}=x&#10;
 
The length of the hypotenuse is 6√2 units.
5 0
3 years ago
-10x + 3(8 + 8) = -6(x -4)
Tpy6a [65]
-10x + 48 = -6x+24
48 - 24 = -6x + 10x
24 = 4x
x = 24/4
x = 6
7 0
4 years ago
1
Dafna1 [17]
Your problem is too spaced out too understand! Next time make sure he spacing is more understandable and readable! sorry
5 0
3 years ago
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