MATHEMATICS HIGH SCHOOL

2/3 / (-9/4)

2/3 divided by (-9/4)

Answers

Answer 1
Answer:

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(2)/(3) / ( - (9)/(4) ) = \n

(2)/(3) *( - (4)/(9)) = \n

- (2 * 4)/(3 * 9) = - (8)/(27) = - ({ (2)/(3) })^(3) \n

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Related Questions

Substitution and elimination are two symbolic techniques used to solve linear equations. For example, if it is easy to set up an equation for substitution where 1 variable is on 1 side, then use that; For example, 4y=16+4x, you can easily divide by 4, get y=4+x (or y=x+4), and plug that into the other equation. In other cases where it may not be so easyFractions/decimals, etc., then you would probably rather use elimination.1) The substitution method. This method is best utilized when one of the variables in one of the equations has a coefficient of 1 or -1, otherwise you will introduce fractions. Substitution can also be used for nonlinear systems of equations.(2) Linear combinations also called the elimination method, multiplication and addition method, etc... My personal favorite as it can be done efficiently. It generalizes well to larger systems and is the underpinning of various other solution methods.As the name implies it requires the equations to be linear.You need to know both and be comfortable switching between them.Can we get one for the elimination method too?Also, can you solve the same problem using either of the two techniques?
Three scenarios are given in parts a through c below. For each​ scenario, determine the sampling method used by the managers. ​a) The managers select a single branch at random and survey every employee of that branch. A. The managers used a systematic sample. B. The managers used a multistage sample. C. The managers used a cluster sample. D. The managers used a stratified sample. E. The managers used a simple random sample. ​b) The managers use the company​ e-mail directory to contact every 3030th employee on the list. Choose the correct sampling method below. A. The managers used a cluster sample. B. The managers used a multistage sample. C. The managers used a stratified sample. D. The managers used a systematic sample. E. The managers used a simple random sample. ​c) The managers split the company into​ divisions, with each division containing employees that have similar jobs. Within each​ division, they select a SRS of employees to contact. Choose the correct sampling
The costa Family hiked a trial that was two miles in one direction How many feet was the hike round trip?
Factorise 3(x+2)^2-10(x+2)+3
A ceiling fan has 20-inch blades (so the radius of the circular fan is 20inches). Suppose the linear speed of the tip of a blade is 10feet per second.

The bases of a circular cylinder are two ___ circles.

Answers

Well,

A cylinder is actually a special type of prism.  A prism is a 3-D figure made by taking a simple closed plane curve and translating it across space in a certain direction and for a given distance and then connecting the preimage and the image.  A cylinder is just a prism made with a circle.

We know from translations that the image is congruent to the preimage.  Thus, the bases of a (circular) cylinder are two congruent circles.
I'd say symmetric? Are there any options?

Solve for x. 3x^2-4x-2=0

Enter your simplified answers, as exact values, in the boxes

Answers

ANSWER

x=\frac{2-√(10)} {3}

or

x=\frac{√(10)+2} {3}

We have

3x^2-4x-2=0

Since we cannot factor easily, we complete the square.

Adding 2 to both sides give,

3x^2-4x=2

Dividing through by 3 gives

x^2-(4)/(3)x= (2)/(3)

Adding (-(2)/(3))^2 to both sides gives

x^2-(4)/(3)x+(-(2)/(3))^2= (2)/(3)+(-(2)/(3))^2

The expression on the Left Hand side is a perfect square.

(x-(2)/(3))^2= (2)/(3)+(4)/(9)

\Rightarrow (x-(2)/(3))^2= (10)/(9)

\Rightarrow (x-(2)/(3))=\pm \sqrt{(10)/(9)}

\Rightarrow (x)=(2)/(3) \pm {(√(10))/(3)

Splitting the plus or minus sign gives

x=\frac{2- √(10)} {3}

or

x=\frac{√(10)+2} {3}

Answer:

x = (2)/(3) + (√(10) )/(3) , x = (2)/(3) - (√(10) )/(3)

Step-by-step explanation:

Multiplying the coefficient of x by the constant to get:

3 x (-2) = -6

Find factors of -6 that equal the middle term -4.

Since, no such factors can be found so we can solve the equation by completing the square.

To complete the square, divide the equation by the coefficient of x^2 which is 3 to get:

x^(2) - (4)/(3) x - (2)/(3) = 0

x^(2) - (4)/(3) x = (2)/(3)

Now divide the coefficient of x by 2 and add the square of the result to both sides of the equation:

x^(2) - (4)/(3) x + (-(2)/(3) )^(2) = (2)/(3) +  (-(2)/(3) )^(2)

(x - (2)/(3) )^2 = (2)/(3) + (4)/(9)

(x - (2)/(3) )^2 = (4)/(9)

\sqrt{(x - (2)/(3) )^2} = \sqrt{(4)/(9) }

x - (2)/(3) = \sqrt{(10)/(9) } , x - (2)/(3) = -\sqrt{(10)/(9) }

x = (2)/(3) + (√(10) )/(3) , x = (2)/(3) - (√(10) )/(3)

How do you round 3,962 to the nearest hundred

Answers

Since the hundred number is 9 its a high enough number to round up to 4,000
3= thousand 9=hundred 6=ten 2=one
the answer is 4,000 9 is greater than 5 so round up

Determine the slope and the y-intercept. 
y = 5x + 6

Answers

When that equation is graphed, it produces a straiught line.  The slope
of the line is 5, and the line intersects the y-axis at y=6.
All function of type:  y = ax + b

a = slope     b = intersept

So:

slope = 5
intersept = 6

An earthquake with a rating of 7.6 isknown to be a great earthquake that can
cause damage that extends several
hundred kilometers.
Math

Answers

Mathematically, the rating of an earthquake typically refers to its magnitude on the Richter scale.

The Richter scale is a logarithmic scale that measures the amplitude of seismic waves produced by an earthquake. Each increase of one unit on the Richter scale represents a tenfold increase in the amplitude of the seismic waves and approximately 31.6 times more energy released.

A rating of 7.6 on the Richter scale indicates a significant and powerful earthquake. It is considered a "great" earthquake and can cause widespread damage over an extensive area. The extent of the damage can depend on various factors, including the depth of the earthquake, the distance from populated areas, and the local building infrastructure.

It's important to note that while the magnitude of an earthquake provides a measure of its energy release, it doesn't directly indicate the extent of the damage or the specific geographical area affected. The effects of an earthquake can vary depending on factors such as local geology, distance from the epicenter, and the population density of the area.

Mathematically, the Richter scale provides a standardized way to quantify and compare the magnitude of earthquakes, aiding in the understanding and analysis of seismic events.

To know more about Richter scale. here

brainly.com/question/24037139

#SPJ2

Answer:

39,810,717.06

Step-by-step explanation:

Question:

What is the value of x when the richter scale rating is 7.6? Round your answer to the nearest hundreth.

Evaluate ∫ e3x cosh 2x dx A. 1/2e5x + 1/2ex + C B. 1/10e5x + 1/5 x + C C. 1/10e5x + 1/2ex + C D. 1/4e3x + 1/2 x + C

Answers

∫ e^(3x)*(cosh(2x)dx

= ∫ [e^(3x)*(e^(2x)+e^(-2x))/2]dx

= ∫ [(e^(5x)+e^x)/2]dx

=e^(5x)/10+e^x/2+C

=(1/10)(e^(5x)+5e^x)+C
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