can anyone help me solve this?

Can Anyone Help Me Solve This?

Answers

Answer 1

[tex] \frac{ \sqrt{x + 8} - \sqrt{x} }{8} \times \frac{ \sqrt{x + 8} + \sqrt{x} }{ \sqrt{x + 8} + \sqrt{x} } \\[/tex]

[tex] \frac{( \sqrt{x + 8} ) {}^{2} - ( \sqrt{x}) {}^{2} }{8( \sqrt{x + 8} + \sqrt{x} ) } \\ [/tex]

[tex] \frac{( \sqrt{x + 8} ) {}^{2} - ( \sqrt{x}) {}^{2} }{8( \sqrt{x + 8} + \sqrt{x} ) } \\ \frac{x + 8 - x}{8 \sqrt{x + 8} + 8 \sqrt{x} } = \frac{8}{8 \sqrt{x + 8} + 8 \sqrt{x} } [/tex]


Related Questions


8. The probability that Ava gets promoted is 7/10. Find the odds in favor of Ava getting promoted.

Answers

Very likely to be promoted but you didnt put the actually answers

To maintain essential electricity, a gasoline generator at a Puerto Rico hospital uses 3 gallons of gasoline per hour. a) How many gallons of gas are needed to fuel the generator for 1 full day? 72 2 points b) How much co2 will be produced by running the generator for 1 full day? 2 points

Answers

The mass of the CO2 produced IS 630 Kg

What is gasoline?

Gasoline is a kind of fuel that is composed mostly of isooctane. In most engines, gasoline is widely used hence the demand for the product is high. We know that the combustion of an alkane (of which gasoline is one) would produce carbon dioxide and water according to a balanced reaction equation.

The balanced reaction equation for the combustion of gasoline is shown in the image attached to this answer.

Since  a Puerto Rico hospital uses 3 gallons of gasoline per hour, and there are 24 hours in a day, it the follows that 72 gallons of gasoline are used per day. This 72 gallons is the equivalent of 272.88 L

Now;

Given that the density of gasoline = 748.9 g/L

Mass of gasoline = 748.9 g/L * 272.88 L = 204 Kg

Number of moles of gasoline =  204 * 10^3/114 g/mol = 1789.5 moles

If 2 moles of gasoline produces 16 moles of CO2

1789.5 moles produces  1789.5 moles * 16 moles/2 moles = 14316 moles

Mass of CO2 =  14316 moles * 44 g/mol = 630 Kg

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The composite figure is made up of a parallelogram and a rectangle. Find the
area.

A. 88 sq. units
B. 64 sq. units
C. 24 sq. units
D. 120 sq. units

Answers

Answer:

A

Step-by-step explanation:

The parallelogram is the length times the height.  The height is 8 and the length is 12 - 2 - 2 or 8.

8x8 = 64

The small rectangle is 12 x 2 or 24

64 + 24 = 88

The length of line segment AG is 17 m and the line segment AD is 25 m. What is the length of line segment GD?​

Answers

Answer:

AG = 17 m

AD = 25 m

GD = ?

AD = AG + GD

GD = AD - AG

= 25 - 17

= 8 m

the answer to your question is 8m

I really need your help ASAP!

Answers

Answer:

Option 4

Step-by-step explanation:

See the attached image.

f(x)=cos(2x) and state the amplitude and period. Enter exact answers

Answers

The amplitude of function f(x)=cos(2x) is 1 and the period is 2.

Given that the function of x is f(x)=cos(2x).

We are required to find the value of amplitude and period of function f(x) which is given in the question.

Amplitude basically refers to maximum displacement from the equilibrium that an object in periodic motion show. It is a product analytics platform or term that helps businesses to track visitors with the help of collaborative analytics.

Period is basically the time interval between two waves. A function  that repeats its values at regular intervals or periods is known as periodic function.

The amplitude of f(x)=cos(2x) is 1 because the highest value that cos Θ can give 1. We can also see in graph that the value of cos 2x is going to 1 and starts decreasing again.

The period of f(x) is 2. From the graph we can say that the vertical distance between upper point and lower point is 2.

Hence the amplitude of function f(x)=cos(2x) is 1 and the period is 2.

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Find the area and the circumference of a circle with radius .
Use the value 3.14 for , and do not round your answers. Be sure to include the correct units in your answers.

Answers

The area of the circle is 78.5 square yards and the circumference of the circle is 31.4  yards

How to determine the area?

The radius of the circle is given as:

r = 5 yard

The area is calculated using

A = pi r^2

Substitute the known values in the above equation

A =3.14 * 5^2

Evaluate the exponent

A =3.14 * 25

Evaluate the product

A =78.5

Hence, the area of the circle is 78.5 square yards

How to determine the circumference?

The radius of the circle is given as:

r = 5 yard

The circumference is calculated using

C = 2pi r

Substitute the known values in the above equation

C =2 * 3.14 * 5

Evaluate the product

C = 31.4

Hence, the circumference of the circle is 31.4  yards

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PLEASE EXPLAIN!!



The ratio of my sister's age to my age is 10: 9.
The ratio of my brother's age to my age is 29 : 27.
I am over 40 years old but under 70 years old.
What is my age?

Answers

Sis : you : bro

10 : 9 : ?

? ? : 27 : 29

We can get the 9 at the top to 27, by multiplying the whole row by 3 to get:

30 : 27 :?

? : 27 : 29

Your age matches (in the ratios or relation to your sis & bro) now 27 yrs in both ratio. Creating a single ratio, whereby multiplying the top row by 3 to get you to 27 & bottom row by 1 to get you to 27. Knowing when you're 27 in both cases, you know how old your sis & bro is

So, replace the ? with the number above or below it, creating a single ratio, where you are in common with both, by being 27 in both cases.

The ratio of sis : you : bro is now -

The ratio of sis : you : bro is now - 30: 27 : 29

To find what your age is we need to increase the ratio in the same amount to find your maximum age under 70.

So, if we were to double your age to 54, by multiplying your previous age of 27 by 2. We've got to do the same for your sis & bro too, they're aging with you.

We get :

We get :60 : 54 : 58

(30 x 2) : (27 x2) : (29 x2)

Keep increasing the ratio, to the point you're not above 70 years. Now, I'll multiply all ages by 3.

30: 27 : 29

(30 x 3) : ( 27 x 3) : (29 x 3)

We get:

We get:90 : 81 : 87

Right now, you're above the age of 70.

Thus, your maximum age must be 54, where you're under 70 years, but over 40 years.

Answer : 54 years

Hope this helps!

The total mass of Faizal, John and Raju is 154.2 kg. John is 10.48 kg
heavier than Raju and 9.23 kg heavier than Faizal. Find Raju's mass.

Answers

Answer:

R = 47.49 kg

Step-by-step explanation:

To find answer, I will put things in terms of Raju's mass

J =  R + 10.48

J - 9.23  = F       or   R + 10.48   - 9.23   = F  

F                              +                 J                +   R = 154.2

(R + 10.48- 9.23)      +     (R+10.48 )            +   R  = 154.2    

3R = 142.47

R=47.49 kg

A manufacturer has a steady annual demand for 22,638 cases of sugar. It costs ​$7 to store 1 case for 1​ year, ​$33 in set up cost to produce each​ batch, and ​$15 to produce each case. Find the number of cases per batch that should be produced to minimize cost

Answers

The number of cases per batch that the manufacturer should produce to minimize cost is 462 cases per batch.

How can inventory costs be minimized?

To minimize inventory costs, especially setup and holding costs, the economic order quantity (EOQ) technique is deployed.

The EOQ model refers to the ideal order or batch quantity a company should purchase per order or produce per batch to minimize its inventory costs.

Some of a company's inventory costs include holding costs, shortage costs, setup, and ordering costs.

Using the EOQ model shows the ideal minimum units that the manufacturer should produce per batch to minimize costs.

The EOQ formula is square root of: [2(setup costs)(demand rate)] / holding costs.

Data and Calculations:

Annual demand = 22,638 cases

Storage cost per case = $7

Setup cost per batch = $33

Product unit cost = $15 per case

EOQ = square root of: [2(setup costs)(demand rate)] / holding costs.

= square root of 2 x $33 x 22,638/$7

= square root of 213,444

= 462

Number of batches = 49 (22,638/462)

Thus, the number of cases per batch that the manufacturer should produce to minimize cost is 462 cases per batch.

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Part 2 - Find the error(s) and solve the problem correctly.
Convert the polar equation to rectangular form and identify the graph. Support your answer by sketching the graph. Show and explain your work.
r = − 4 cos θ
Answer:
Cosine graph reflected over x-axis with amplitude 4

Answers

Comparing A and B we find the value of the variables as

x = radius

Centre (-2,0)

Radius 2

The sketch of the image is attached below

What is sketching the graph?

Generally, the equation for is mathematically given as

x = -4 cos -(i)

Multiply -(i) both sides by & we

x^2= -4xcos\theta

We know that and

x= x cos\theta

y = rsino

x² + y² = x² (cos²∅ + sin²∅).

x² + y² = x² ....sin² ∅ + cos 2∅=1

so, putting rates in (ii) we get

x²+y² = -4x

x²+4²  +4 + y²=4

(2 + 2)² + y² =4

The rectangular form of

x = -4cos∅  is (x + 2)² + y² = 4 ---- A

We can see that A is a graph of circles. The general equation of a circle is

= (x-h)² + (y)² = x² ----B

where (h, k) = centre

Comparing A and B we find

x = radiusCentre (-2,0)Radius 2

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finish this whole thing and ill give you five stars thanks and brainliest

Which statement is true?


The value of 8,590 − 4,586 is half the value of 2 x (8,590 − 4,586).

The value of 2,674 x 5,480 + 5 is 5 times the value of 2,674 + 5,480.

The value of 6,432 x (1,860 − 6) is 6 less than the value of 6,432 x 1,860.

The value of 2,876 x (9,280 + 8) is 8 more than the value of 2,876 x 9,280.

Answers

The value of 8,590 − 4,586 is half the value of 2 x (8,590 − 4,586).

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables. The basic operations performed on an equation are addition, subtraction, multiplication and division.

The value of 8,590 − 4,586 = 4004

Half the value of 2 x (8,590 − 4,586) = (1/2) of 2 x (8,590 − 4,586) = 4004

The value of 8,590 − 4,586 is half the value of 2 x (8,590 − 4,586).

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30% of 70 is what percent of 2000?

Answers

Answer:

1.05

Step-by-step explanation:

Because 30% of 70 is [tex]30\% \times 70 = \frac{30}{100} \times 70 = 0.3 \times 70 = 21[/tex], so the question becomes "21 is what percent of 2000?"

To answer this, we can solve for [tex]x[/tex] in the equation [tex]21 = x\% \times 2000[/tex], which is:

[tex]21 = x\% \times 2000\\21 = \frac{x}{100} \times 2000\\21 = 20x\\x=\frac{21}{20}=1.05[/tex]

So the answer is 1.05 percent.

What is the slope of a line that is parallel to y=5x+3

Answers

The slope of a line that is parallel to y=5x+3 is 5x.

Two lines must have the same slope to be parallel to each other.

1 Which is the greatest 4- digit number divisible by 6?......​
As fast as when u are running to save ur mom life

Answers

Answer:

The greatest four-digit number that is divisible by 6 is 9996

Step-by-step explanation:

9,996 / 6 = 1,666

find dy/dx when y =
[tex] \sqrt{(1 + cosx)/( 1 - cosx)} [/tex]

Answers

Answer:

cos(x)

Step-by-step explanation:

(1 + cos(x))(1 - cos(x)) = 1 - cos²(x) = sin²(x)

sqrt(sin²(x)) = sin(x)

sin'(x) = cos(x)

which line segment has the same measure as TQ

Answers

The line segment that has the same measure as TQ is TR

How to determine the line segment that has the same measure as TQ?

The figure that completes the question is added as an attachment

From the figure, we have the following properties:

Lines TQ and TR are congruentLines QS and RS are congruent

The above implies that the line segment that has the same measure as TQ is TR

Hence,  the line segment that has the same measure as TQ is TR

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Answer:

It's TR

Step-by-step explanation:

did it on edgenuidy

urgently needing help ​

Answers

Answer:

the answer is 86,016

Step-by-step explanation:

i took the test

Answer:

The answer is 4.

Step-by-step explanation:

8(-1)^4 - 3(-1) - 7

    8 + 3 - 7

      11 - 7

         4

ZAP is a right triangle, with right angle A and sin P = 3/5 What is cos Z?

Answers

The ratio of cos Z is cos Z = 3 / 5

How to find the trigonometric ratios of a right triangle?

A right triangle has one angle of the triangle as 90 degrees.

The sides of the right triangle can be found using trigonometric ratios.

Therefore,

sin ∅ = opposite / hypotenuse

sin Z = 3 / 5

Using Pythagoras theorem,

c² = a² + b²

5² - 3² = b²

b² = 25  - 9

b² = 16

b = √16

b = 4

Hence,

P + A = 90 degrees (complementary angles)

Therefore,

sin P = cos Z

cos Z = 3 / 5

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Alice placed $1,900 in a savings account which earns 2.2% interest, compounded every year. How much will she have in the account after 5 years.

Answers

She will have $2118 in her account after five years

How to determine the amount in five years?

The given parameters about the compound interest are

Principal Amount, P = $1,900

Interest Rate, R = 2.2%

Time, t = 5

Compound interests are different from simple interest, and they are calculated using the following compound interest formula

CI = P(1 + R)^t - P

To calculate the amount, we have:

A = P + CI

So, the equation becomes

A = P + P(1 + R)^t - P

Evaluate the like terms

A = P(1 + R)^t

Substitute the known values in the above equation

A = 1900 * (1 + 2.2%)^5

Express 2.2% as decimal

A = 1900 * (1 + 0.022)^5

Evaluate the sum

A = 1900 * (1.022)^5

Evaluate the exponent

A = 1900 * 1.11495

Evaluate the product

A = 2118

Hence, she will have $2118 in her account after five years

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Show Work Please Thank You

Answers

Answer:

[tex]\displaystyle{x = \dfrac{\pi}{12}, \dfrac{\pi}{6}}[/tex]

Step-by-step explanation:

We are given the trigonometric equation of:

[tex]\displaystyle{\sin 4x = \dfrac{\sqrt{3}}{2}}[/tex]

Let u = 4x then:

[tex]\displaystyle{\sin u = \dfrac{\sqrt{3}}{2}}\\\\\displaystyle{\arcsin (\sin u) = \arcsin \left(\dfrac{\sqrt{3}}{2}\right)}\\\\\displaystyle{u= \arcsin \left(\dfrac{\sqrt{3}}{2}\right)}[/tex]

Find a measurement that makes sin(u) = √3/2 true within [0, π) which are u = 60° (π/3) and u = 120° (2π/3).

[tex]\displaystyle{u = \dfrac{\pi}{3}, \dfrac{2\pi}{3}}[/tex]

Convert u-term back to 4x:

[tex]\displaystyle{4x = \dfrac{\pi}{3}, \dfrac{2\pi}{3}}[/tex]

Divide both sides by 4:

[tex]\displaystyle{x = \dfrac{\pi}{12}, \dfrac{\pi}{6}}[/tex]

The interval is given to be 0 ≤ 4x < π therefore the new interval is 0 ≤ x < π/4 and these solutions are valid since they are still in the interval.

Therefore:

[tex]\displaystyle{x = \dfrac{\pi}{12}, \dfrac{\pi}{6}}[/tex]

Show all work to write the expression in simplified radical form:
(Assume all variables are positive)
[tex]\sqrt[3]{192x^{5}y^{8}}[/tex]
(Cube root of 192 x to the fifth power y to the eighth power)

Answers

Answer:

[tex]\sqrt[3]{192} x^{\frac{3}{5} }y^{\frac{3}{8} }[/tex]

Step-by-step explanation:

You have to simplify all of the terms individually

[tex]\sqrt[3]{192} = 5.769[/tex]

Since that isn't a whole number, it doesn't simplify

Use the root to exponent rule for the variables

[tex]\sqrt[3]{x^{5} } =x^{\frac{3}{5} }[/tex]

[tex]\sqrt[3]{y^{8} } =y^{\frac{3}{8} }[/tex]

Then put them all together to get

[tex]\sqrt[3]{192} x^{\frac{3}{5} }y^{\frac{3}{8} }[/tex]

Make sure the variables aren't under the root when you give your answer

I hope this helps!

pls mark brainliest

A pitaya, or dragon fruit, is a tropical fruit with pink skin and pulp filled with tiny black
seeds. The weight of a pitaya seed is 1 x 107 ounce. What is the weight of the pitaya
seed in standard form?
Type the number in the box.
oz

Answers

The standard form the weight of a pitaya seed is 1 x 10⁷ ounces.

What is a standard form?

Any value between 1.0 and 10.0 that can be expressed as a decimal number and multiplied by a power of 10 is referred to as being in standard form. If you look closely, you will see that 1.23 is a decimal between 1.0 and 10.0, and as a result, we have the standard form of 123,000,000 as 1.23 x 10⁸.

Given that a pitaya, or dragon fruit, is a tropical fruit with pink skin and pulp filled with tiny black seeds. The weight of a pitaya seed is 1 x 10⁷ ounces.

The standard form can be written as:-

Weight = 10000000 ounces

Weight = 1 x 10⁷   ounces.

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Form a polynomial

Degree: 4

Zeros: -1, 2, & 1-2i

Answers

Answer:

(x+1)(x-2)(x-1)(x-1+2¡) multiply all together

Step-by-step explanation:

(x+1)(x-2)(x-1)(x-1+2¡)

multiply all together u have your answer

ASAP PLEASE HELPPP PLEASE

Answers

Answer:

6

Step-by-step explanation:

[tex]\frac{DC}{4}=\frac{12}{8} \\ \\ DC=6[/tex]

WILL GIVE BRAINLIEST
3. Add or subtract the following terms:

a. (10x) + (22x) =

b. (-6x) - (-6x) =

c. (-13t) + (14x) - (+13t) =

d. (-4t) + (+4t) - (-3t) =

Answers

The simplified forms of the given expressions are

a. 32x

b. 0

c. -26t + 14x

d. 3t

Simplifying an expression

From the question, we are to simplify the given expressions by adding or subtracting

a. (10x) + (22x)

= 32x

b. (-6x) - (-6x)

= -6x + 6x

= 0

c. (-13t) + (14x) - (+13t)

= -13t + 14x - 13t

Collect like terms

= -13t -13t + 14x

= -26t + 14x

d. (-4t) + (+4t) - (-3t)

= -4t + 4t + 3t

= 3t

Hence, the simplified forms of the given expressions are

a. 32x

b. 0

c. -26t + 14x

d. 3t

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Find the length of mAB using the figure below
(please see photo)

Answers

Answer:

5

Explanation:

Look at the number line and count the number of increments needed to get from point A to B.

5 (units) is the answer

Step-by-step explanation:

-2 is point A

3 is point B

Find the absolute value then add

|-2| + |3| = 5

There's our answer, 5! Or the second choice

Find the nth term of the arithmetic sequence -1, 2, 5,.. ..

Answers

Answer:

8

Step-by-step explanation:

i think it's 8 but I'm not sure i will check it for you

Find the slope of the line passing through the points (-4,-4) and (2, 5).

Answers

Answer:

the slope of the line passing through the points (-4,-4) and (2, 5) m=3/2.

Step-by-step explanation:

Hello!

To find the slope between two points use the formula

m=(y-y)/(x-x)... substitute valuesm=(5-(-4))/(2-(-4))m=9/6m=3/2

Fill in the blank with the correct response.

Twenty-one is 20% of

Answers

Answer: 105

Step-by-step explanation:

105 * .2 = 21 :)

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