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3 years ago

Which of the following are solutions to x-1 = 5x + 2 ? Check all that apply.

Mathematics

1 answer:

Ad libitum [116K]3 years ago

5 0

Answer:

The answer is-3/4

Step-by-step explanation:

#Hope it helps uh.....

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How to subtract negative number from 1

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2 years ago

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What's the negative reciprocal of 5? Question 12 options: A) 1∕5 B) –5 C) –1∕5 D) 5

levacccp [35]

Answer:

$\huge\boxed{C)\ -\dfrac{1}{5}}$

Step-by-step explanation:

The reciprocal of 5: $\dfrac{1}{5}$

The negative reciprocal of 5: $-\dfrac{1}{5}$

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2 years ago

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Alika [10]

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3 years ago

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A positive integer is twice another.the sum of the reciprocal of the two positive integer is 3/14. Find the integers

icang [17]

Answer:

$\huge\boxed{14\ \text{and}\ 7}$

Step-by-step explanation:

$n,\ m-\text{positive integer}\\\\n=2m-\text{a positive integer is twice another}\\\\\dfrac{1}{n}+\dfrac{1}{m}=\dfrac{3}{14}-\text{the sum of the reciprocal of the two positive integer is }\ \dfrac{3}{14}\\\\\text{We have the system of equations:}\\\\\left\{\begin{array}{ccc}n=2m&(1)\\\dfrac{1}{n}+\dfrac{1}{m}=\dfrac{3}{14}&(2)\end{array}\right$

$\text{Substitute (1) to (2):}\\\\\dfrac{1}{2m}+\dfrac{1}{m}=\dfrac{3}{14}\\\\\dfrac{1}{2m}+\dfrac{1\cdot2}{m\cdot2}=\dfrac{3}{14}\\\\\dfrac{1}{2m}+\dfrac{2}{2m}=\dfrac{3}{14}\\\\\dfrac{1+2}{2m}=\dfrac{3}{14}\\\\\dfrac{3}{2m}=\dfrac{3}{14}\Rightarrow2m=14\qquad\text{divide both sides by 2}\\\\\dfrac{2m}{2}=\dfrac{14}{2}\\\\\boxed{m=7}$

$\text{Substitute it to (1):}\\\\n=2\cdot7\\\\\boxed{n=14}$

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3 years ago

What is the gradient of the graph shown ? Give your answer in its simplest form

Sedbober [7]

Answer:

-2

Step-by-step explanation:

choose any point on the graph

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2 years ago