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3 years ago

Can someone tell me whats 7/3 x 2/7?

Mathematics

2 answers:

Trava [24]3 years ago

6 0

Answer:

2/3

Step-by-step explanation:

You can cross simplify so you can cancel out the 7s because they are opposite of one another.

Romashka-Z-Leto [24]3 years ago

4 0

Answer: 8 1/6

Hope this helps!

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Divide 130 in the ratio 6:7

Lilit [14]

60:70 That is the answer

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3 years ago

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Riding a proportion of 15 is 1 and a half percent of what number

skad [1K]

Answer:

1000

Explanation:

15=1.5%

1000=100%

10=1%

not really much of an explanation, but i hope you get what i mean by that

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3 years ago

Write the domain and rang of h using interval notation

34kurt

We can write the domain and range in interval notation, which uses values within brackets to describe a set of numbers. In interval notation, we use a square bracket [ when the set includes the endpoint and a parenthesis ( to indicate that the endpoint is either not included or the interval is unbounded.

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3 years ago

Solve for x in the equation x squared + 2 x + 1 = 17.

Papessa [141]

Answer:

$x = - 1 + \sqrt{17}\\and\\x = - 1 - \sqrt{17}\\$

Step-by-step explanation:

given equation

$x^2 +2x +1 = 17$

subtracting 17 from both sides

$x^2 +2x +1 = 17\\x^2 +2x +1 -17= 17-17\\x^2 +2x - 16 = 0\\$

the solution for quadratic equation

$ax^2 + bx + c = 0$ is given by

x = $x = -b + \sqrt{b^2 - 4ac} /2a \\\\and \ \\-b - \sqrt{b^2 - 4ac} /2a$

________________________________

in our problem

a = 1

b = 2

c = -16

$x =( -2 + \sqrt{2^2 - 4*1*-16}) /2*1 \\x =( -2 + \sqrt{4 + 64}) /2\\x =( -2 + \sqrt{68} )/2\\x = ( -2 + \sqrt{4*17} )/2\\x = ( -2 + 2\sqrt{17} )/2\\x = - 1 + \sqrt{17}\\and\\\\x = - 1 - \sqrt{17}\\$

thus value of x is

$x = - 1 + \sqrt{17}\\and\\x = - 1 - \sqrt{17}\\$

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3 years ago

Word form for 18,429,000,050,000

Westkost [7]

Eighteen trillion four hundred twenty nine billion fifty thousand

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