Mathematics College

Simplify.
-
12x^6y^4
—————
3xy^2
A-4X^6y^8
B4x^5y^2
C-4x^5y^2
D-3x^5y^2

HELP ASAP !!

Answers

Answer 1

Answer:

Step-by-step explanation:

answer is 4x^5y² answer choice b

solution 12 ÷ 3 = 4

to divide x^6 by x - subtract 6 - 1 (power of x = 1) this equals 5

and y^4 divided by y^2 = y^4-2 = y²

Related Questions

Which ratio represents to the nearest hundredth?

Answers

Answer:

157/50 is the answer

Step-by-step explanation:

do t got time to explain sorry

The answer is 157/50

Elena wants to make a scale drawing of her bedroom. In her drawing, the length of the bedroom is 10 cm and the width 6 cm. She decides on a scale of 1 to 50. What is the LENGTH of her actual bedroom

I NEED HELP NOW 70 POINTS IF YOU ANSWER RN

Answers

First, note that 1 m =100 cm.
Then
5 m = 500 cm;
3 m = 300 cm.
If Elena wants to make a scale drawing of her bedroom on a scale of 1 to 50, then
500 cm : 50 = 10 cm;
300 cm : 50 = 6 cm.
Therefore, the length of the scale drawing is 10 cm and the width of the scale drawing is 6 cm.

is the ordered pair a solution to the equation. y=-7; (-5,6)

Answers

Answer: No

To check if (-5,6) is a solution to the equation y=-7, we need to substitute -5 for x and 6 for y in the equation.

If the equation is true, then the ordered pair is a solution to the equation.

If we put (-5,6) into y=-7, we get 6=-7, which is not true.

So, (-5,6) is not a solution to the equation y=-7.

The center of the circle is shown.

Circle with radius 9.

What is the exact area of the circle?
Question 3 options:

324π

18π

9π

81π
answer fast pls

Answers

The exact area of the circle with a radius of 9 cm is 81π cm².

What are the circumference and diameter of a circle?

The circumference of a circle is the distance around the circle which is 2πr.

The diameter of a circle is the largest chord that passes through the center of a circle it is 2r.

We know, The area of a circle is πr².

Given, The radius of the circle is 9 cm.

Therefore, The area of the circle with a radius of 9 cm is,

= π(9)² cm².

= 81π cm².

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how much time will be taken by a cart to travel 0.9km if it goes 0.25metre in a second?

Answers

Answer:

225 seconds

Step-by-step explanation:

First,

1km = 1000 meter

This means,

0.9 km = 900 meter

Second, to find the time taken,

0.25 x 900 = 225

Therefore,

225 seconds

Hope this helps!!

If it is correct, please mark me brainliest :)

Can someone help me with this? Thank you so much! I mark as brainliest :))

Answers

Answer:

x = 5 root 3

y = 30

z = 10

Step-by-step explanation:

The triangle has a right angle of 90° and a 60° angle.

The third angle must have measure 30° since 180° - 90° - 60° = 30°.

We have a 30-60-90 right triangle.

In a 30-60-90 the ratio of the lengths of the sides is:

short leg : long leg : hypotenuse

1 : root 3 : 2

The long leg is root 3 times the short leg.

The hypotenuse is 2 times the short leg.

short leg: 5

long leg: 5 * root 3 = 5 root 3

long leg: 5 * 2 = 10

x = 5 root 3

y = 30

z = 10

How do you solve for incenter?

Answers

The approach for solving for incenter.

Incenter:

The incenter of a triangle is the intersection point of all the three interior angle bisectors of the triangle.

It can also be defined as the point where the internal angle bisectors of the triangle cross. This point will be equidistant from the sides of a triangle, as the central axis’s junction point is the center point of the triangle’s inscribed circle.

Formula for solving incenter:

Let (x1,y1) , (x2,y2) and (x3,y3) are three points of triangle.

and a,b,c are lengths of sides.

I = ((ax1+bx2+x3 / a+b+c , ay1+by2+cy3 / a+b+c))

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Pls help nonsence will be reported and banned offering 100 points!!! and brainiest

Answers

The inequality that determines the maximum number of speakers, x, Michael can buy is: B. $46.00 + $483.33 < $1,045.69

How to Solve Inequalities?

To determine the maximum number of speakers, x, Michael can buy without spending more money than he has in his account, we need to use the following inequality:

Total amount spent on TV and speakers ≤ amount of money in the account

We know that Michael has $1,045.69 in his account, and he will spend $483.33 on a new television. Let x be the maximum number of speakers he can buy. Each speaker costs $46.00, so the total amount spent on the speakers will be $46.00x. Thus, we can write the inequality as:

$483.33 + $46.00x ≤ $1,045.69

Simplifying this inequality, we get:

$46.00x ≤ $1,045.69 - $483.33

$46.00x ≤ $562.36

x ≤ $562.36 ÷ $46.00

x ≤ 12.20 (rounded to two decimal places)

So the maximum number of speakers Michael can buy without spending more money than he has in his account is 12.20. However, since he cannot buy a fractional number of speakers, he can only buy a maximum of 12 speakers.

Therefore, the correct inequality that determines the maximum number of speakers, x, Michael can buy without spending more money than he has in his account is:

B. $46.00 + $483.33 < $1,045.69

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jack picks 60 apples from an apple tree .He uses 12 of them to make applesauce .He places the remaining apples equally into 6 gift baskets. Wich equation can be used to determin the number of apples,a, Jack places into each gift baskets.

Answers

First you would subtract 12 from 60 which is 48. From there you use multiplication to see what numbers would make 48. 8x6 makes 48, so there would be 8 apples in 6 gift baskets! Hopes this helps have a great rest of your day!

Answer:

42 apples

Step-by-step explanation:

42 apples cuz how much Jack used

i hate school
AHHH im so depressed
;( im crying
omgggg i have a 59% in math
and a 78% in english
im gonna die
AHHHHHHHHHHHHHHHHH

Answers

its alright dude just gotta work hard and study i know you can do it

Graph the line with slope 1/3 and y-intercept −2.

Answers

The graph of the function y = 1/3x - 2 is added as an attachment

Sketching the graph of the function

From the question, we have the following parameters that can be used in our computation:

Slope = 1/3y-intercept = -2

So, the equation is

y = 1/3x - 2

The above function is a linear function that has been transformed as follows

Vertically stretched by a factor of 1/3Shifted down by 2 units

Next, we plot the graph using a graphing tool by taking note of the above transformations rules

The graph of the function is added as an attachment

Answers

isolate, variable, inverse, substitute, solution, balanced

CAN SOMEONE HELP WITH THIS QUESTION?✨

Answers

The velocity is given by; V(t) = 24t^2 + 144t + 192

The time intervals are; t = 2 and t = 4

The acceleration is; a(t) = 44t + 144

What is the acceleration of the particle?

The acceleration of a particle refers to the rate of change of its velocity over time. Mathematically, acceleration can be expressed as the derivative of velocity with respect to time, or a = dv/dt.

Where;

s(t) = 8t^3 + 72t^2 + 192t

V(t) = 24t^2 + 144t + 192

The velocity would be zero when we solve the quadratic and it gives us;

t = 2 and t = 4

The acceleration is;

a(t) = 44t + 144

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Avery is measuring two cylinders. Given the volume V and the base radius r of the first cylinder, Avery uses the formula h=(V)/(πr^2) to compute its height h to be 24 centimeters. The second cylinder has the same volume, but has 2 times the radius. What is its height?

Answers

Answer:

6cm

Step-by-step explanation:

KHAN

The height of the second cylinder will be 6 centimeters.

What is a cylinder?

A cylinder is a combination of infinite circles with the same radius and keeps one up to up.

In other meaning, a cylinder becomes a circle that extends through a finite length.

The surface area of the cylinder = πdh where h is the height of the cylinder and d is the diameter of the cylinder.

The volume of the cylinder = (π/4)d²h

Given,

The height of a cylinder is given by

h = (V)/(πr²)

Now in the second cylinder, we have double the radius so r will convert into 2r

So, the new height

h' = (V)/[π(2r)²]

h' = (1/4)(V)/(πr²)

h' = (1/4)h

So,

h' = 24/4 = 6 centimeter.

Hence, The height of the second cylinder will be 6 centimeters.

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The perimeter of any rectangle in which the length is 4 more than twice the width is P = 6 w + 8 , where w is the width. Which formula can be used to find the width given the perimeter? Multiple choice question. cross out A) w = P − 4 3 cross out B) w = 1 6 P − 8 cross out C) w = − P + 8 6 cross out D) w = P − 8 6

Answers

Answer: option D

Step-by-step explanation:

Given equation:

P = 6 w + 8 [eq1]

l=2w+4 [where l is length]

using eq1 we have:

6w=P-8

w=(P-8)/6

hence option D

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Abby is filling a 100 quart dog bath using a 2 gallon bucket. how many buckets will it take to fill the dog bath?

Answers

Answer is 12 1/2 buckets to fill the bath
( or 12.5 buckets)

Step by step

We know the bath holds 100 quarts
We know 100 quarts is equal to 25 gallons
( 4qts to 1 gallon)

If Abby is using a 2 gallon bucket, divide 25 gallons by 2

25/2 = 12 1/2 buckets to fill the bath

a sales manager for an advertising agency believes that there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. a regression analysis shows the following results:

Answers

The regression equation is Y = −12.201 + 2.195x.

In the given question,

A regression analysis shows the following results.

Coefficients Standard Error t-Stat p-value

Intercept −12.201 6.560 −1.860 0.100

Number of contacts 2.195 0.176 12.505 0.000

We have to find the regression equation.

Given that,

Coefficient of Intercept(a) = −12.201

Coefficient of Number of contacts(b) = 2.195

The regression equation is,

Y = a + bx

Y = −12.201 + 2.195x

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The right question is:

A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression analysis shows the following results.

Coefficients Standard Error t-Stat p-value

Intercept −12.201 6.560 −1.860 0.100

Number of contacts 2.195 0.176 12.505 0.000

What is the regression equation?

20% of what numbner is 100

Answers

Answer:

The number is 500.

Step-by-step explanation:

Let n be the number

Convert percent to decimal

20% = 0.20

0.20n = 100

Divide both sides of the equation by 0.20

0.20n/0.20 = 100/0.20

n = 500

round of 467532 to 100000,s

Answers

Answer:

500,000

Step-by-step explanation:

You are rounding 467,532 to the nearest hundred thousand.

So, you're rounding the 4 either to the same number or the next number up.

It would remain the same if the next number in line is equal to four or less than zero.

It would round up to the next highest number if the next number in line is greater than 4 or equal to 9.

467,532 's next number behind the hundred thousand place is 6 which is greater than 4.

So, it would round up to 500,000

the dot plots show the distributions of scores on a current events quiz for two classes of 24 students each. which of the following statements about the standard deviations of the two distributions is true?

Answers

Because the scores in Class A are more closely clustered, the standard deviation is smaller than in class B. Hence, option A is the correct answer to this question.

The average score for Class A is around 4, while the scores in Class B are evenly distributed with an average of 2.5. Because the scores in Class A are more closely clustered around the average, the standard deviation in Class A is likely to be smaller than in Class B.

The standard deviation measures the spread of the data from the mean, so if the data are more tightly clustered around the mean, the standard deviation will be smaller.

Answers

Answer:

Step-by-step explanation:

When adding a negative, just get rid of the negative and subtract.

D-d=0

Find the midpoint of segment AB if A(10, 0) and B(- 30, - 8) .

Answers

Answer:

-10,-4

Step-by-step explanation:

Use the midpoint formula also plz give brainliest

Graph the equations to solve the system.y = -2x + 1y = -x + 4Click on the correct answerone solution: (0.4)no solution: 1solutions: allnumbers on the lineone solution: (-3,7)

Answers

$\begin{gathered} y=-2x+1 \\ y=-x+4 \end{gathered}$

Therefore,

$undefined$

Solve the system of equations.- 2x + y=-43x – 2y = 1

Answers

To solve the system of equations:

$\begin{gathered} -2x+y=-4 \\ 3x-2y=1 \end{gathered}$

We solve the first equation for y:

$\begin{gathered} -2x+y=-4 \\ y=2x-4 \end{gathered}$

And plug the value in the second equation

$\begin{gathered} 3x-2(2x-4)=1 \\ 3x-4x+8=1 \\ -x=1-8 \\ -x=-7 \\ x=7 \end{gathered}$

Once we have the value of x, we plug this value in the equation of y:

$y=2(7)-4=14-4=10$

Therefore, x=7 and y=10.

five men can repair a stretch of road in 8 hrs. how many men would be needed to repair the same road in 3 1/3 hrs
also tell if its direct or inverse proportion
i just wanna check my answer, whether its correct or not

Answers

Answer: 12 men would be needed to repair the same road in 3 1/3 hrs. Inverse proportion because usually in work,food and time its inversly proportional.

8 hours --> 5 men

1 hour --> 5*8 = 40 men

3 1/3 hours --> 40/ (3 1/3) men

--> 12 men

Write out the sample space for the given experiment. Use the following letters to indicate each choice: M for mushrooms, A for asparagus, B for bacon, P for pepperoni, I for Italian, and V for vinaigrette. When deciding what you want to put into a salad for dinner at a restaurant, you will choose one of the following extra toppings: mushrooms, asparagus. Also, you will add one of following meats: bacon, pepperoni. Lastly, you will decide on one of the following dressings: Italian, vinaigrette.

Answers

Answer:

MBI, MBV, ABV, ABI, MPI, MPV, APV, API

Barrett's mom has a flower vase that is shaped like a perfect cylinder. The vase has aheight of 9 inches, and its radius is 4 inches. What is the total volume of water that theflower vase can hold (to the nearest whole number)? Use V = 3.14r2h452 in45 in50 in502 inNow help me.

Answers

SOLUTION

The formula given to us to use as the volume of a cylinder is:

$=3.14r^2h$

Given parameters

r=4inches

h=9inches

Substituting these parameters into the formula above, we will have:

$=3.14\times4^2\times9$$\begin{gathered} =3.14\times16\times9 \\ =452.16 \\ =452in^3(to\text{ the nearest whole number)} \end{gathered}$

The correct answer is the first option.

What is X?
I’m at a loss

Answers

Answer:

Step-by-step explanation:

5x-3= 2x+24

5x=2x+27

3x=27

X=9

Answer: A. 9

Step-by-step explanation:

The diagonal is bisected by the other diagonal. So the 2 parts of the diagonal are equal

5x - 3 = 2x + 24 >Bring like terms to 1 side

3x = 27 >Divide both sides by 3

x = 9

The equation of a parabola is (x−3)2=16(y+7) . What are the coordinates of the vertex and focus of the parabola? What is the equation of the directrix?

Answers

The coordinates of the vertex of the parabola are (3, -7). The focus of the parabola is located at (3, -3). The equation of the directrix is y = -11.

The given equation of the parabola is in the form (x - h)^2 = 4p(y - k), where (h, k) represents the vertex and p represents the distance between the vertex and the focus/directrix.

Comparing the given equation with the standard form, we can see that the vertex is at (3, -7).

The coefficient 4p in this case is 16, so p = 4. Since the parabola opens upward, the focus will be p units above the vertex. Therefore, the focus is located at (3, -7 + 4) = (3, -3).

To find the directrix, we need to consider the distance p below the vertex. Since the parabola opens upward, the directrix will be p units below the vertex. Hence, the equation of the directrix is y = -7 - 4 = -11.

In summary, the coordinates of the vertex are (3, -7), the focus is located at (3, -3), and the equation of the directrix is y = -11.

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y = −3x2, y = −5x2, y = −1x2

Answers

Answer:

Step-by-step explanation:

y=-6

y=-10

y=-2

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Simplify. - 12x^6y^4 ————— 3xy^2 A-4X^6y^8 B4x^5y^2 C-4x^5y^2 D-3x^5y^2 HELP ASAP !!

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Simplify.
-
12x^6y^4
—————
3xy^2
A-4X^6y^8
B4x^5y^2
C-4x^5y^2
D-3x^5y^2

HELP ASAP !!