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Kazeer [188]
3 years ago
14

If (x-1)/(x)=20 then x=

Mathematics
2 answers:
nadezda [96]3 years ago
6 0
D:x\neq0\\\\\frac{x-1}{x}=20\ \ \ \ |cross\ multiply\\\\20x=x-1\ \ \ \ |subtract\ x\ from\ both\ sides\\\\19x=-1\ \ \ \ \ \ |divide\ both\ sides\ by\ 19\\\\\boxed{x=-\frac{1}{19}}

Tanya [424]3 years ago
6 0
(x-1)/(x)=20

20x=x-1

20x-x=-1

19x=-1

x=-(1/19)
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3 years ago
Which of the following is equivalent to<br> (5) 3<br> O 54<br> O 54<br> 05<br> O V5
IrinaK [193]

Answer:

D. \sqrt[3]{5^7}

Step-by-step explanation:

The formula for this conversion is:

a^\frac{x}{n}=\sqrt[n]{a^x}

Substitute the values you currently have.

5^\frac{7}{3}=\sqrt[n]{a^x}

Since we know that

a = 5

x = 7

n = 3

Fill the square root with this.

5^\frac{7}{3}=\sqrt[3]{5^7}

4 0
2 years ago
- Austin is paid a salary of $350 weekly. What are his yearly earnings?
Novosadov [1.4K]

Answer:

average, he earns 16,800 dollars in 1 year

Step-by-step explanation:

he is paid 350 dollars a week

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4 0
3 years ago
Read 2 more answers
I’m thinking of a number.if you multiply it by 6 and then add 10 you will get 58.what is my number?
Anna007 [38]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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erik [133]

Answer:

Let's define all the possible forms:

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then:

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This is in point slope form.

c) y = 7x + 9

This is in slope-intercept form.

d) 8x − 9y = −2

This is in standard form.

5 0
3 years ago
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