Please help me with this. I need to solve for x.
4ln(7x+3)+12=40

Answers

Answer 1

Answer:

[tex]x=\frac{e^7-3}{7}[/tex]

Step-by-step explanation:

4* ln(7x+3) + 12 = 40

4* ln(7x+3) + 12 - 12 = 40 - 12

4* ln(7x+3) = 28

ln(7x+3) = 28/4

ln(7x+3) = 7

e^7 = (7x + 3)

e^7 - 3 = 7x

[tex]x=\frac{e^7-3}{7}[/tex]


Related Questions

what is the area if the length is 12 in. and the width is 2 in.

Answers

Answer:

A = 24

Step-by-step explanation:

L * w = A

12 * 2 = 24

A = 24

24 inches because length x width equals area

How many ways can a cook arrange 8 of 12 spice jars on a spice rack? 495 11,880 19,958,400 479,001,600

Answers

The number of ways that a cook can arrange 8 of 12 spice jars on a spice rack is; 495 ways.

How to solve probability Combinations?

We want to find the number of ways that a cook can arrange 8 of 12 spice jars on a spice rack.

This is a Combination Problem which follows the formula;

nCr = n!/(r!(n - r)!

12C8 = 12!/(8!(12 - 8)!

Solving this gives;

12C8 = 495 ways

Thus, the number of ways that a cook can arrange 8 of 12 spice jars on a spice rack is 495 ways.

Read more about Probability Combinations at; https://brainly.com/question/24756209

#SPJ1

Answer:

The correct answer is: 19,958,400.

Step-by-step explanation:

I hope this helps! :)

Tonja is a married taxpayer who claims 2 withholding allowances. She earns
$600 per week, and pays $150 per week in childcare expenses. How much will
she save in federal income and FICA taxes if she has her childcare expenses
deducted from her check before taxes?

Answers

The amount that Tonja will save in Federal Income and FICA Taxes if she has her childcare expenses deducted from her check before taxes is: $26.17

What is Federal Income Tax?

Federal Income Tax is a tax that is levied by the Federal Government and most states in the United States of America. It comprises of 7 tax rates.

What is FICA Tax?

FICA Tax is a Federal Insurance Contributions Act Tax. This tax is levied on every payroll of employees to fund Social Security and Medicare programs. This is divided into two parts:

Social Security Tax which is 6.2% and Medicare Tax which is 1.45%. The total is 7.65%

How to calculate Tonja's Tax before deduction

Federal Tax rate first level is 10% on 0$ - $19,900.

1) Hence, the first tax is 10% on $600, which is $60

2) The next tax is FICA. This is applied to the Gross Pay of $600.

Applying both taxed under FICA we have 7.65% * $600 = $45.9

Total Tax before a deduction is:

$60 + $45.9 = $105.6

The Tax Payable if childcare expenses is deducted first will be:

10% on $450     = $45

7.65% on $450 = $34.43

Total                   = $79.43

Hence the tax savings will be:

105.6 - 79.43 = $26.17

Learn more about FICA Tax at:
https://brainly.com/question/3214345


How do I draw the circle correctly to solve the problem?

Answers

Answer:

2/4N

Step-by-step explanation:

I don't know if it's correct

Simplify the expression:
10x+10x2+2x

Answers

Answer:

[tex]10x + 10x^{2} + 2x\\= 10x + 2x + 10x^{2}\\= 12x + 10x^{2}\\= \boxed{2x(6 + 5x)}[/tex]

Given Expression,

10x + 10x² + 2x

We can also write it as,

10x² + 10x + 2x

Now, Combining the like terms,

The like terms are 10x and 2x so,

10x² + 12x

We simplified the expression.

If you want it to factorise it,

⇒10x² + 12x

⇒ 2x(5x + 6)

This is required factorised expression

Please help<3 due in 30 mins !!!!!!!!

Answers

Answer and Explanation:

Sara's sample is biased, she's only taking people that naturally would pull out their phones as they are waiting for a bus to arrive.

Sara's claim is not valid, the sample is too small and biased to be applied to her whole town.

Sarah saves $1. 5 daily while jessica saves $1 more than sarah each day. Although jessica started saving 10 days later than sarah she has now saved $12 more than sarah. How many days has sarah been saving?

Answers

109$ I think that’s right
I think that it’s 109

Write the quadratic equation in factored form. Be sure to write the entire equation.

x 2 + x - 12 = 0

Answers

The answer is (X-3)(X+4)=0

Answer: It should be this exactly: (x+4)(x-3)=0

Step-by-step explanation:

I don't understand how to do this section of this worksheet. Can someone help me understand how to get the answer? I have a test tomorrow and I can't fail it.

Answers

Answer:

see explanation

Step-by-step explanation:

There are 4 sections on the spinner so each option is 1/4

1) 4 Ds = 1/4 × 1/4 × 1/4 × 1/4 × 3/4 × 3/4 = 9/4096

the other two spins can be A, B, or C (3/4)

2) 2As = 1/4 × 1/4 × 3/4 × 3/4 × 3/4 × 3/4

the other two spins can be B, C, or D (3/4)

3) 2As = 1/4 × 1/4 = 1/16    OR means add

   3Bs = 1/4 × 1/4 × 1/4 = 1/64

1/16 + 1/64 = 5/64

4) at least 4 Cs = 1/4 × 1/4 × 1/4 × 1/4 =1/256

Scientific knowledge allows new technologies to be built, and those technologies, in turn, impact society at many levels.

options:
True
False

Answers

Answer:

true

Step-by-step explanation:

True or False
A solution to 8 = -x + 10 is 2

Answers

Answer:

[tex]\huge\underline{Answer - }[/tex]

[tex]\bold{8 = - x + 10} \\ \\ \bold{\implies \: - x = 8 - 10} \\ \\ \bold{\implies \: \cancel - x = \cancel - 2 }\\ \\ \bold{\implies x\: = 2}[/tex]

hence , the given statement is true !

hope helpful ~

Answer:

True

Step-by-step explanation:

So, Lets find out if the solution is true or not, So first let us find the value of x.

⇒ 8 = -x + 10

We can rewrite the equation as,

⇒ -x + 10 = 8

Subtracting 10 from both sides we get :

⇒ -x + 10 – 10 = 8 – 10

⇒ -x = -2

Multiplying both sides by (-1) :

⇒ -1(-x) = -1(-2)

x = 2

Therefore,

The statement "A solution to 8 = -x + 10 is 2" is true

A softball has a volume of 125/6 pie cubic inches. Find the radius of the softball

Answers

The radius of the softball is 2.5 inches

The volume of a sphere is given by

V = 4/3 pi r^3

We know the volume is 125/6 pi

Substituting in

125/6 pi = 4/3 pi r^3

Divide by pi on each side

125/6 pi/ pi = 4/3 pi/ pi r^3

125/6 = 4/3  r^3

Multiply by 3/4 on each side to isolate r

125/6 * 3/4 = 3/4 *4/3  r^3

125/8 = r^3

Take the cube root on each side

(125/8) ^ 1/3 = (r^3) ^ 1/3

5/2 = r

2.5 =r

The radius of the softball is 2.5 inches

Answer:

[tex]\huge\boxed{\sf r = 2.5 \ in.}[/tex]

Step-by-step explanation:

[tex]\sf Volume \ of \ sphere = \frac{4}{3} \pi r^3\\\\Where \ volume = \frac{125 \pi }{6 } \ in.^3\\\\Put \ in \ the \ above\ formula:\\\\\frac{125 \pi}{6} = \frac{4}{3} \pi r^3\\\\Cancel \ pi\\\\\frac{125}{6} = \frac{4}{3} r^3\\\\20.83 = 1.33 r^3\\\\Divide \ 1.33 \ to \ both \ sides\\\\20.83/1.33 = r^3\\\\15.625 =r^3\\\\Take \ cube \ root \ on \ both \ sides\\\\\sqrt[3]{15.625} = \sqrt[3]{r} \\\\2.5 = r\\\\[/tex]

[tex]\sf r = 2.5 \ in.\\\\\rule[225]{225}{2}[/tex]

100 points brainliest help asap
1 choice- left or right
2 choice- mean or median
3 choice- iqr or range the iqr
PICK ONE FROM EACH CHOICE

Answers

Answer: (not sure)

right

median

range the iqr

For the polyhedron, use Euler's Formula to find the missing number.
faces:
edges: 14
vertices: 9
The number of faces is

Answers

If the number of the edges of the polyhedron is 14 and the vertices are 9. Then the number of the faces of the polyhedron is 7.

What is a polyhedron?

A polyhedron is a solid made composed of polygons in three dimensions. It has vertices, flat faces, and straight edges.

We know the Euler's formula

F + V - E = 2,

where, F = number of faces, V = number of vertices, and E = number of edges

Edges: 14

Vertices: 9

F + 9 - 14 = 2

            F = 14 + 2 - 9

            F = 16 - 9

            F = 7

Then the number of the faces of the polyhedron is 7.

More about the polyhedron link is given below.

https://brainly.com/question/2321456

#SPJ1

A small tank has a cylindrical shape. It has a radius of 15 inches and a height of 48 inches. A can of spray paint will cover 720 square inches. How many cans of paint must be bought to completely cover the tank with one coat of paint?

HELP FAST WILL GIVE LOTS OF POINTS

Answers

Answer:

c)  9

Step-by-step explanation:

[tex]\textsf{Surface area of a cylinder}=2\pi r^2+2\pi rh[/tex]

(where r is the radius and h is the height)

Given:

r = 15 inh = 48 in

Substitute given values into the equation to find the surface area:

[tex]\begin{aligned}\implies \textsf{Surface area} & =2\pi (15)^2+2\pi (15)(48)\\ & =1890 \pi\: \sf in^2\end{aligned}[/tex]

To calculate the number of cans of paint to be bought, divide the surface area by the area one can of paint will cover:

[tex]\implies \dfrac{1890 \pi}{720}=8.246680716...[/tex]

We need to round this number up, as rounding down will mean we will not have quite enough paint to cover the surface area of the cylinder.

Therefore, the numnber of cans of paint that must be bought to completely cover the tank with one coat of paint is 9.

Which block has a volume of 90 cm3?

Answers

Answer:

The volume of c. figure is equal to 90 cm³

Step-by-step explanation:

These are the cuboids

The volume of a cuboid = b×h

A. 2×6×5

=> 60 cm³

B. 8×2×4

=> 64 cm³

C. 5×6×3

=> 90 cm³

D. 3×7×2

=> 42 cm ³

so, the volume of c. cuboid is equal to 90 cm ³

You wish to compute the 95% confidence interval for the population proportion. How large a sample should you draw to ensure that the sample proportion does not deviate from the population proportion by more than 0.06

Answers

Answer:

take 95% and 0.06 and find what is half of 95 and then multiply that by 95 and then put it in a fraction. amd circle your final answer

A website’s profit as a function of visitors is represented in the table. The function is quadratic.


Visitors (thousands) Monthly profit ($ thousands)

0 0

0. 5 -10

1 0

2 80

3 240

Select from the drop-down menu to correctly complete the sentence.


The y-intercept represents

Answers

I forgot how to do this but u can use

Answer:

the amount of profit when there are 0 visitors

please help me !!!!!!!!

Answers

Answer:

the fourth option

Step-by-step explanation:

due to the range and median the range is 4 to 17 and the median is 10

What is the perimeter of the triangle?
units

Answers

Answer:

36 units

Step-by-step explanation:

Break it into 2 right triangles with legs  6 and 8    then the hypot = 10

8 +8 + 10 + 10 =36

The interior of a building is in the form of cylinder of diameter 10m and height 8m, surmounted by a cone whose vertical angle is a right angle.
Then what will be the area of the surface and the volume of the building?​

Answers

Answer:

Surface Area = 399.4 m²Volume = 1675.5 m³

Step-by-step explanation:

Lateral Surface Area of the Cylindrical Part

2πrh2 x π x 5 x 880 x π251.3 m²

Slant height of cone

√r² + h²√25 + 64√899.43 m

Surface Area of Conical Portion

πrlπ x 5 x 9.4347.15 x π148.1 m²

Total Surface Area :

251.3 + 148.1399.4 m²

Volume

V = πr²h + 1/3πr²hV = πr²h (1 + 1/3)V = π x 25 x 8 x (4/3)V = π x 1600/3V = 1675.5 m³

Hope it helps.

If you have any query, feel free to ask.

At a food donation drive, the initial ratio of canned drinks to canned food was 3 : 7. The ratio became 5 : 7 after a donation of additional 128 canned drinks were made. How many cans of food were there?

Answers

Answer:

the cans of food are 448 in number

Answer:

448

Step-by-step explanation:

Let's assume the final answer is x

128 ÷ x +3 ÷ 7 =  5 ÷ 7

x = 448

A school has 320 students.
9 students in every 16 speak English
How many students speak English?

Answers

Answer:

180 students speak English

Step-by-step explanation:

320÷16=20

20×9=180

Solve using order of operation 2y+7= negative 7

Answers

Answer:

y = -7

Step-by-step explanation:

2y + 7 = -7

Subtract 7 from both sides.

2y + 7 - 7 = -7 - 7

2y = -14

Divide both sides by 2.

2y/2 = -14/2

y = -7

what is the y-value of the solution to the system of equations shown below? 5x+4y=12 -5x-2y=-16
A. -4
B. -2
C. 2
D. 4​

Answers

Answer:

B. -2

Step-by-step explanation:

b. -2 i’m pretty sure but i don’t know

HELP PLEASE!!

Lowes sold garden gnomes for $28. 99 each a customer signed up for a free membership card and received a 5% discount off the price. Sales tax of 5% was applied after the discount what was the final price of the garden gnome

Answers

Answer:

$28.92

Step-by-step explanation:

Find the discount

28.99 × 0.05 = 1.4495

28.99-1.4495 = 27.5405

Calculate the tax of the discounted item

27.5405 x 0.05 = 1.377

27.5405 + 1.377 = 28.9175

HELP WILL MARK BRAINLIEST
EXTRA POINTS

Answers

Answer:

Step-by-step explanation:

7x+103=180

180-103=77

77=7x

77/7=x        x=11

<W: 55-23=32

<v: 58

<x:90

Which graph represents 3x - 2y > 4?​

Answers

Answer:

It should somewhat look like the graph below...

Hope it helps!

Please help!! Will mark brainlyest.

Answers

Answer:

(-7,-3)

Step-by-step explanation:

explained in graph :)

On Monday,221 students went on a trip to the zoo.all 4 buses were filled and 5 students had to travel in cars how many students were in each bus

Answers

Answer:

54

Step-by-step explanation:

If 5 students went in cars then 216 students were in the buses (221-5=216)

There were four buses so divide 216 by 5 which is 54.

So there were 54 students in each bus

Answer:

54

Step-by-step explanation:

If you have 221 students going to the zoo and 5 that went to the zoo in cars you only need to account for the 216 travelling by bus. So you subtract 5 from 221 and divide what you have left over (216) by 4 for the 4 buses you're using.

216/4= 54

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