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2 years ago

Find the two solutions of x/3 -1 < 3x/4

Mathematics

1 answer:

zheka24 [161]2 years ago

5 0

$x > - 2 \frac{2}{5} \\ \\ x > - 2.4$

<h2>hope it helps! </h2><h3>#carry on learning</h3>

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What is -3 - 9n= 42 I can’t be negative

maw [93]

If you were to correctly simplify this equation, the answer would be a negative.

The answer is: n = -5

Here's how I got my answer:

Step 1: Add 3 to both sides. Which leaves us with $-9n=42+3$

Step 2: Simplify $42+3$ to 45. Which leaves us with $-9n = 45$

Step 3: Divide both sides by -9. Which leaves us with $n = -45/9$

Step 4: Simplify $-45/9$ , to get your answer, n = -5.

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4 years ago

Definition: The ___ tells how fast a line rises or falls between any two points on that line. Algebraically it is expressed as (

liraira [26]

The answer is the slope which is rise over run.

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3 years ago

Read 2 more answers

Please show me how to solve the initial value problem y'=tanx y(pi/4)=3

AlexFokin [52]

The ODE is separable, i.e. you can write

$\dfrac{\mathrm dy}{\mathrm dx}=\tan x\iff\mathrm dy=\tan x\,\mathrm dx$

Integrating both sides gives the general solution.

$\displaystyle\int\mathrm dy=\int\tan x\,\mathrm dx$
$y=-\ln|\cos x|+C$

Given that $y\left(\dfrac\pi4\right)=3$ , we have

$3=-\ln\left|\cos\dfrac\pi4\right|+C$
$3=-\ln\dfrac1{\sqrt2}+C$
$3-\ln\sqrt2=C$

and so the particular solution to the IVP is

$y=-\ln|\cos x|+3-\ln\sqrt2$
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3 years ago

-9<2x+1<5 A. -5 B. -4 C. 4>x>-3 D. 5>x>-2

Lilit [14]

Answer:

Step-by-step explanation:

- 9 < 2x + 1

- 10 < 2x

X > - 5

2x + 1 < 5

2x < 4

X < 2

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2 years ago

The point P=\left(-\frac{\sqrt{33}}{7},\,\, y\right)P=(− 7 33 ,y) lies on the unit circle shown below. What is the value of

kifflom [539]

Answer:

y = √-1040/7

Step-by-step explanation:

The equation of a unit circle is expressed as;

x²+y² = 1

Given the coordinate of P = (-33/7, y)

Substitute the coordinate into the give expression and find y;

(-33/7)²+y² = 1

Expand

y² = 1-(-33/7)²

According to difference of two square

y² = (1+(-33/7))1-(-33/7))

y² = (1-33/7)(1+33/7)

y² = -26/7(40/7)

y² = -1040/49

y= √-1040/49

y = √-1040/√49

y = √-1040/7

Hence the value of y is y = √-1040/7

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3 years ago

Find the two solutions of x/3 -1 < 3x/4​

Find the two solutions of x/3 -1 < 3x/4