1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Lynna [10]
2 years ago
11

-2(3x-3)=4x x= Would you please help me Solve the equation for x

Mathematics
2 answers:
Varvara68 [4.7K]2 years ago
8 0

Answer:

5(x-1)>5/4x

If you mean (5/4)x, then

Divide by 5

x-1 > (1/4)x

x-1 > x/4

Multiply by 4

4x-4 > x

Add 4

4x > x+4

Subtract x

3x > 4

Divide by 3

x > 4/3

<u>I</u><u> </u><u>hope</u><u> </u><u>its</u><u> </u><u>help</u><u> </u><u>u</u><u> </u><u>dear</u>

dem82 [27]2 years ago
8 0
Hope this helps…please mark me brainlist please please

You might be interested in
How to find out the length of slant edge?
Liula [17]
Use the Pythagorean theorem A^2 + B^2 = C^2. C is the slant length. Hope this helps.
7 0
3 years ago
Can someone thoroughly explain this implicit differentiation with a trig function. No matter how many times I try to solve this,
Anton [14]

Answer:

\frac{dy}{dx}=y'=\frac{\sec^2(x-y)(8+x^2)^2+2xy}{(8+x^2)(1+\sec^2(x-y)(8+x^2))}

Step-by-step explanation:

So we have the equation:

\tan(x-y)=\frac{y}{8+x^2}

And we want to find dy/dx.

So, let's take the derivative of both sides:

\frac{d}{dx}[\tan(x-y)]=\frac{d}{dx}[\frac{y}{8+x^2}]

Let's do each side individually.

Left Side:

We have:

\frac{d}{dx}[\tan(x-y)]

We can use the chain rule, where:

(u(v(x))'=u'(v(x))\cdot v'(x)

Let u(x) be tan(x). Then v(x) is (x-y). Remember that d/dx(tan(x)) is sec²(x). So:

=\sec^2(x-y)\cdot (\frac{d}{dx}[x-y])

Differentiate x like normally. Implicitly differentiate for y. This yields:

=\sec^2(x-y)(1-y')

Distribute:

=\sec^2(x-y)-y'\sec^2(x-y)

And that is our left side.

Right Side:

We have:

\frac{d}{dx}[\frac{y}{8+x^2}]

We can use the quotient rule, where:

\frac{d}{dx}[f/g]=\frac{f'g-fg'}{g^2}

f is y. g is (8+x²). So:

=\frac{\frac{d}{dx}[y](8+x^2)-(y)\frac{d}{dx}(8+x^2)}{(8+x^2)^2}

Differentiate:

=\frac{y'(8+x^2)-2xy}{(8+x^2)^2}

And that is our right side.

So, our entire equation is:

\sec^2(x-y)-y'\sec^2(x-y)=\frac{y'(8+x^2)-2xy}{(8+x^2)^2}

To find dy/dx, we have to solve for y'. Let's multiply both sides by the denominator on the right. So:

((8+x^2)^2)\sec^2(x-y)-y'\sec^2(x-y)=\frac{y'(8+x^2)-2xy}{(8+x^2)^2}((8+x^2)^2)

The right side cancels. Let's distribute the left:

\sec^2(x-y)(8+x^2)^2-y'\sec^2(x-y)(8+x^2)^2=y'(8+x^2)-2xy

Now, let's move all the y'-terms to one side. Add our second term from our left equation to the right. So:

\sec^2(x-y)(8+x^2)^2=y'(8+x^2)-2xy+y'\sec^2(x-y)(8+x^2)^2

Move -2xy to the left. So:

\sec^2(x-y)(8+x^2)^2+2xy=y'(8+x^2)+y'\sec^2(x-y)(8+x^2)^2

Factor out a y' from the right:

\sec^2(x-y)(8+x^2)^2+2xy=y'((8+x^2)+\sec^2(x-y)(8+x^2)^2)

Divide. Therefore, dy/dx is:

\frac{dy}{dx}=y'=\frac{\sec^2(x-y)(8+x^2)^2+2xy}{(8+x^2)+\sec^2(x-y)(8+x^2)^2}

We can factor out a (8+x²) from the denominator. So:

\frac{dy}{dx}=y'=\frac{\sec^2(x-y)(8+x^2)^2+2xy}{(8+x^2)(1+\sec^2(x-y)(8+x^2))}

And we're done!

8 0
3 years ago
Ronnie's Rentals
ZanzabumX [31]

Answer:

P = 25 + (15)n

Total amount paid by David = $100

Step-by-step explanation:

Given:

Fixed cost of renting chain saw =  $25

Variable cost of renting chain saw =  $15 per hour

Time taken = 5 hour

Find;

Total amount paid by David

Computation:

Assume;

Total amount paid by David = P

Time taken = n

So,

P = 25 + (15)n

P = 25 + (15)(5)

P = 25 + 75

P = 100

Total amount paid by David = $100

5 0
3 years ago
How old are all you?
Wewaii [24]

Answer: I do not age

Step-by-step explanation: I have magical Phoenix powers and i drink a lot of ageless potions

8 0
3 years ago
Read 2 more answers
Blank divided by six equals 14/6
natali 33 [55]

Answer:

14 is blank

Step-by-step explanation:

and its the numerator of the fraction

3 0
3 years ago
Read 2 more answers
Other questions:
  • What does a residual value of –4.5 mean in reference to the line of best fit?
    15·2 answers
  • If stuv is a rectangle and mvsu = 52, what is the value of x?
    10·2 answers
  • Eric is swimming along the surface of the sea. He uses positive numbers to represent elevations above the surface of the sea and
    12·1 answer
  • 6. Sue has 18 homework problems. She has 3 times as many problems as John. Which equation shows how many problems John has (j)?
    5·2 answers
  • Evaluate 3/4 · 1/2 .
    6·1 answer
  • Bob paid $152 to get his car repaired. The total cost for the repairs is the sum of the amount paid
    14·1 answer
  • NEED HELP ASAP, WILL GIVE BRAINLIEST
    9·1 answer
  • 4/9 x ? =1 what is the answer
    14·2 answers
  • Mrs MacGregor took a personal loan of ($)8000 over three years. She repaid ($)325 per
    10·1 answer
  • One number is 2 more than another number. The product of the numbers is 440. Find the numbers.​
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!