Which expression is equivalent?

Which Expression Is Equivalent?

Answers

Answer 1

Answer:

y⁸/x¹⁰

[tex] \\ [/tex]

Step-by-step explanation:

[tex] \sf{\large{( \frac{ {x}^{ - 4}y }{ {x}^{ - 9} {y}^{5} } ) ^{2} }}[/tex]

[tex] \large{ \sf{= \frac{ {x}^{ - 4 \times 2} {y}^{2} }{ {x}^{ - 9 \times 2} {y}^{5 \times 2} } }}[/tex]

[tex] \large{ \sf{= \frac{ {x}^{ - 8} {y}^{2} }{ {x}^{ - 18} {y}^{10} } }}[/tex]

[tex] \large{ \sf{ = {x}^{ - 8 - ( - 18)} {y}^{2 - 10} }}[/tex]

[tex] \large{ \sf{ = {x}^{ - 8 + 18} {y}^{ - 8} }}[/tex]

[tex] \large{ \sf{ = {x}^{10} {y}^{ - 8} }}[/tex]

[tex] \large{ \sf{ = \frac{ {x}^{10} }{ {y}^{8} } }} [/tex]

[tex] \large{ \sf{ = \frac{ {y}^{8} }{ {x}^{10} } }}[/tex]


Related Questions

Ch Area and Volume

Kindly Help Me To Solve These..​

Answers

Answer:

Q.1=V0LUME

Q.2=2744CM

Q.3=4913MM

Q.4=19683M

Q.5=32400CM

Q.6=540CM

Q.7=25

Q.8=584

Q.9=36

Q.10=79199.5

Q.11=1144

Step-by-step explanation:

Q.2=14×14×14=2744CM

Q.3=17×17×17=4913MM

Q.4=27×27×27=19683M

Q.5=18×120×150=324000MM then you divide by 10 to change it into CM =32400CM

Q.6=15×12×3=540CM

Q.7=15×15×15=3375

      5×5×5=125

THEN YOU DIVIDE THEM =3375÷125=25

Q.8=12×14×3.5=584

Q.9=[3×1×4]±[2×2×4]±[1×2×4]=36 THAT IS THE NUMBER OF BOXES IN A

       3×6×4=72THAT IS THE NUMBER OF BOXES IN B

TO GET HOW MANY ARE NEEDE FROM A TO FILL B WE 72-36=36

Q.10 89×71×60.5=79199.5

Q.11=13×8×11=1144

HOW I WILL GET A BRAINLIEST FROM THIS

There were 140 geese living in Larson Lake last year. It is overpopulated. A scientist has suggested a program to decrease the population of geese by 15% after 5 years. How many geese does the scientist hope will be in the lake in 5 years? Show your work.

Answers

Answer:

119

Step-by-step explanation:

Find 10% by dividing by 10, then halve it to get 5%. The answers are 14 and 7 accordingly.

Add them together to get 15%, which is now 21.

Take 21 off of 140 to get the answer, which is 119.

ALTERNATIVE METHOD - CALCULATOR

To solve the question using a calculator and with only one equation, multiply the number by 0.85 to find 85% of the number, and there's your answer.

What's two numbers that total 26 and have a difference of 6

Answers

Answer:

3?

Step-by-step explanation:

The two numbers are 10 and 16

Please solve if you know no trolls please im desparate
Please if you can answer any question or if all if you can.

8) Tayna made a mistake in her work. Identify the mistake and explain how she could fix the mistake. *

How many degrees are there in the "Department Store" angle? *

How many degrees are there in the "Gas Station" angle? *

Answers

Answer:

Department Store:

7(18.75)+8= 139.25

Gas Station:

18.75+22= 40.75

Step-by-step explanation:

The mistake is 7x+8+x+22 should not equal 90. It should equal 180 degrees because the two angles are supplementary angles. (It forms a straight line)

Correct equation and how to solve for X:

7x+8+x+22=180

8x+30= 180

8x= 150

x=18.75

Department Store:

7(18.75)+8= 139.25

Gas Station:

18.75+22= 40.75


[tex]5 \frac{5}{6} - 1 \frac{1}{4} = [/tex]

Answers

The answer is

[tex] \frac{55}{12} [/tex]

and in mix fraction it will be

[tex]4 \frac{7}{12} [/tex]

and in decimal form,

[tex]4.583333[/tex]

[tex]answer \: = 4 \frac{7}{12} [/tex]

Way to do

5⅚ - 1¼ =

35/6 - 5/4 =

140/24 - 30/24 = 110/24 = 4 14/24 = 4 7/12

Help please!! I will mark brainlest ​

Answers

Answer:

Step-by-step explanation:

My brother, they would add to 180 :D

You can see, QTS is an obtuse angle, and the PTQ is smaller, but no matter what, if you add them, they will always add up to 180

Cos pie divided by 12 in surd form

Answers

Answer:

¼(√6 + √2)

Step-by-step explanation:

We want to find cos (π/12) in surd form.

Now, cos (π/12) can be expressed as;

cos [(π/4) - (π/6)]

Now, from trig derivations we know that;

Cos (A - B) = CosACosB + sinAsinB

Thus;

cos [(π/4) - (π/6)] = cos(π/4)Cos(π/6) + sin(π/4)sin(π/6)

Now, in surd form;

cos(π/4) = sin(π/4) = (√2)/2

Cos(π/6) = (√3)/2

sin(π/6) = 1/2

Thus, Plugging in relevant values to get;

cos(π/4)Cos(π/6) + sin(π/4)sin(π/6) = ((√2)/2 × (√3)/2) + ((√2)/2 × 1/2)

This gives;

((√6)/4) + ((√2)/4) = ¼(√6 + √2)

Jesse rides his bike to school on most days. The school is 4.5 miles from his house. If it takes him 13.5 minutes to ride to school, what is his rate per mile?

Answers

Use the formula r = d/t.For example: Your rate is 24 miles divided by 2 hours, so: r = 24 miles ÷ 2 hours = 12 miles per hour. So basically devide 4.5 to 13.5

PLSSS HELP ASAPPPP I BEG
MARKI BRAINLIST AND GIVING POINTS

Answers

Answer:

b = 34

m = 5

f(t) = 5x+34

Step-by-step explanation:

f(0) = 34, so that is its y intercept.

f(t) contains (0,34) and (8,74), which can be used to find the slope:

[tex]\frac{74-34}{8-0}=\frac{40}{8}=5[/tex]

Divide. Enter your answer as a fraction in simplest form.

1/5 divided by 11/15


Answers

The answer in simplest form is 3/11.

Jasper decorates flower pots to sell in his shop.
HE knows that it takes 12 minutes to decorate a flower pot.

Jasper works from 9:30am until 12:50pm on Tuesday.
HE takes 20 minutes for a coffee break at 10:30am

How many flower pots does Jasper decorate on Tuesday?

Answers

Answer:

He works from 9:30am to 12:50pm.

He takes a brake at 10:30 for 20 mins.

Now the time he works will be

(12:50 - 9:30) - 20

3:20 - 20

3:00

NOTE: TILL HERE DONT THINK THE SIGN ':' IS USED FOR RATIO, ITS USED AS IN TIME. AND THIS MEANS THE NUMBER BEFORE ':' IS HOURS AND THE NUMBER AFTER THE ':' WILL BE MINUTES.

i.e., 3 hours.No. of pots decorated in 3 hours will be,

3 hours in minutes÷time taken to decorate one pot.

⇒ (3×60)÷12

⇒ 180÷12

⇒15

Thus he decorates 15 pots in the given time.

Jasper decorates [tex]15[/tex] pots on Tuesday.

There are [tex]60[/tex] minutes in [tex]1[/tex] hour . To convert from minutes to hours, divide the number of minutes by [tex]60[/tex].

How many flower pots does Jasper decorate on Tuesday?

He works from [tex]9:30[/tex] am to [tex]12:50[/tex] pm.

He takes a break  [tex]10:30[/tex] for [tex]20[/tex] mins.

Now the time he works will be

[tex]3:20 - 20\\3:00[/tex]

i.e., 3 hours. No. of pots decorated in 3 hours will be,

3 hours in minutes ÷time taken to decorate one pot.

⇒ (3×60)÷12

⇒ 180÷12

⇒15

Thus he decorates [tex]15[/tex] pots in the given time.

Learn more about statement questions on: https://brainly.com/question/21483483

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16,8, 4, ...
Find the 10th term.
Round to the nearest thousandth (if necessary)

Answers

the tenth term rounded to the nearest thousandth is 0.031

the terms go: 16,8,4,2,.5,.25,.125,.0625,.03125 and .03125 rounded is .031

The length of a rectangle is 5 inches longer than it is wide. If the perimeter is 38 inches, what are the dimensions of the rectangle?

The width, or shorter side is ______
inches.

The length, or longer side is _____
inches.

Answers

Answer:

shorter side = 7 in

longer side = 12 in

Step-by-step explanation:

Let w = width

then w + 5 = length

The perimeter of the rectangle = 2 widths + 2 lengths.

So, w + w + w + 5 + w + 5 = 38  or 2w +2(w + 5) = 38 are two ways to write the equation to solve the problem.

Now 4w + 10 = 38

4w = 28

w = 7

w + 5 = 7 + 5 = 12

shorter side = 7 in

longer side = 12 in

Check:  7 + 7 + 12 + 12 = 38 = perimeter


PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA POINTS*..
IM GIVING 40 POINTS !! DONT SKIP :((.

Answers

m = 1.49

b = 5.50

equation y = 1.49x + 5.50

Non-proportional

Positive Slope

I need the help right now please!!!!!!Determine the reflection across the y axis for these ordered pairs: A(-2,4), B(0,1), C(3,-3)

Answers

Answer:

B

I think

Step-by-step explanation:

y=1 ( -1,1)(0,1)(1,1)(2,1) and etc

the rule for a reflection across the y-axis is (-x,y) so A (-2,4) B (0,1) C (-3,-3)
correct me if I’m wrong. I hope this helps.

Solve pls (correctly) brainliest if correct! I, lots of points!

Answers

Answer:

5

Step-by-step explanation:

First, find the equation of the line:

put it in the form y = mx + b where m is the slope and b is the y-intercept

You already have m = 2, so y = 2x + b.

Then, since you know (1, 3) is a solution so you can plug x = 1 and y = 3 into the equation to find out what b is.

3 = 2 * 1 + b

3 = 2 + b

1 = b

This means the equation of the line is y = 2x + 1.

Then, since you're trying to find out what y is when x = 2, you can plug in x = 2 into the equation:

y = 2 * 2 + 1

y = 4 + 1

y = 5

5 is the answer

In the number 3.9928, how does the value of the 9 in the tenths place compare to the value of the 9 in the hundredths place? Drag and drop a fraction into the box to correctly complete the statement. The value of the 9 in the tenths place is Response area the value of the 9 in the hundredths place.

Answers

Answer:

the 9 in the tenths place is 10 times bigger than the one in the hundredths place

Step-by-step explanation:

The value of the 9 in the tenth place is "10 times" the value of the 9 in the hundredth place.

What is the place value strategy?

Place value strategies are defined as math strategies that use to assist you in resolving your elementary math problems, using your place values, such as tens and hundreds.

The decimal we are examining is 3.9928.

The 9 in tenth place has a value of 0.9.

The value of 9 in the hundredth place is 0.09

The fraction of the 9 in the tenth place is now the 9 in the hundredth place.

To get this, simply multiply the value of 9 in the hundredth place by the value of 9 in the tenth place.

Mathematically, that would be;

0.09/0.9 = 0.1 = 1/10

This means that the value of 9 in the hundredth place is 1/10 the value of 9 in the tenth place

So you can complete the statement by dragging and dropping "10 times" into the response area.

Learn more about the place value strategy here:

brainly.com/question/654419

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O bicicleta costa 420 de lei. Pretul ei se reduce cu 15%. Cat va costa bicicleta dupa reducere.

Answers

Answer:

The price of the bicycle after the discount is 357 lei

Step-by-step explanation:

The given question says, "The bicycle costs 420 lei. Its price is reduced by 15%. How much will the bike cost after the discount."

Cost price of the bicycle = 420 lei

Discount = 15%

We need to find the price of the bicycle after the discount. It can be calculated as follows :

[tex]P=420\times \dfrac{15}{100}\\\\=63[/tex]

Price = 420 -63

= 357 lei

Hence, the price of the bicycle after the discount is 357 lei.

in the figure below explain why line p is or isn't parallel to line q​

Answers

Answer:

Step-by-step explanation:

If the lines were parallel the angle measruing 72 and the angle measuring 109 would add up to 180 degrees(corrosponding and theroum ,sum of angles on line)

Joanna works in a marina. Boat servicing costs $70.00, plus $4.50 for each litre of oil. Joanna serviced a boat and made out a bill for $88.00. How many litres of oil did she use?(use equations)

Answers

$88.00 minus $70.00 base fee is $18.00 then you divide that by $4.50.
The answer is 4 liters.

Sarah purchased 6 tons of sand $42.88 per ton and 7 cubic yards of mulch $28.58 per cubic yard. The state sales tax was 4.5%. What was the cash register receipt total?

Answers

Answer:

$477.92

Step-by-step explanation:

42.88 x 6= 257.28

28.58 x 7= 200.06

257.28+200.06=457.34

457.34 x .045= 20.58

20.58+457.34= 477.92

please i need help with #12 and #13!!!

Answers

9514 1404 393

Answer:

  12.  median: AD; altitude: CE; midsegment: none

  13.  x = 2

Step-by-step explanation:

12. The median joins a vertex with the midpoint of the opposite side. Point D is identified as the midpoint of BC, so AD is the median.

An altitude is a segment from a vertex that is perpendicular to the opposite side. CE is an altitude of this triangle.

A midsegment joins midpoints of adjacent sides of the triangle. Only one midpoint (D) is identified in this triangle, so no midsegment can be named.

Additional comment: BF is an angle bisector. Perhaps that is what is intended in part (c). You may want to report this question to your teacher.

__

13. The base segment is twice the length of the midsegment:

  2(5x -3) = x +12

  10x -6 = x +12 . . . . . eliminate parentheses

  9x = 18 . . . . . . . . . .  add 6-x

  x = 2 . . . . . . . . . . . . .divide by 9

Please help thank you

Answers

Answer:

Pythagoras theorem states that “In a right-angled triangle, the square of the hypotenuse side is equal to the sum of squares of the other two sides“. The sides of this triangle have been named as Perpendicular, Base and Hypotenuse. Here, the hypotenuse is the longest side, as it is opposite to the angle 90°.

If a man walks at the rate of 3 feet per second, how many minutes will it take him to walk 5760 feet?

Answers

Answer:

32 minutes

Step-by-step explanation:

There are 60 seconds in a minute

That means we will need to know how many feet he walks in a minute

So we would do 3 x 60 which equals 180 so he walks 180 ft per miute

Now we need to figure out how many minutes it took for him to walk 5760 ft.

So we would do 5760 ÷ 180 which equals 32

So the aswer is 32 minutes for him to walk 5760 ft.

Hope this helps

Please help thank you ahead of time

Answers

okay so basically, i’m pretty sure you have to make them catch up with each other, if i’m correct), so if it’s 30 to each student plus 2500 then 2 students is 60 bucks, 3 students is 90 and so on so forth......then if 1 student - 60 then 2 is 120 and vice versa ya know. So keep adding on the amount due for each student plus the extra amount which doesn’t change and make them catch up with each other. Keep on adding student after student and adding the fee until they match up. Sorry it’s not the exact answer but i hope this explains it... if i’m right

Sarah and Jack go shopping Jack spends 20 percent of his money and Sarah spend 1/4 of her money how spends more ​

Answers

Answer:

Sarah, if each had the same amount of money to start with

Step-by-step explanation:

1/4=.25 or 25% 25%>20%

Please help fast!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

x² + 2x - 6

Step-by-step explanation:

= f(x) + g(x)

= (2x + 1) + (x² - 7)

= 2x + 1 + x² - 7  

= 2x - 6 + x²  

= x² + 2x - 6

good luck, i hope this helps :)

A car drives ninety-one miles on seven gallons of gas. Determine the number of miles per gallon.

Answers

1 gallon = 13 miles

2 gallons = 26 miles

3 gallons = 39 miles

4 gallons = 52 miles

5 gallons = 65 miles

6 gallons = 78 miles

7 gallons = 91 miles

17
Select the correct answer from the drop-down menu.
A whole number is 6 more than 2 times another number. The sum of the two numbers is less than 50. This can be written in an inequality as
x+2x+6 < 50, where x represents the smaller number.
From the set {13, 14, 15, 16, 17), the values of x for which the inequality holds true are
Reset
Next

Answers

Answer:

13 and 14

Step-by-step explanation:

From the inequality

x + 2 x + 6 < 50

we work out the answer for x isolating it on one side of the inequality as shown below

3 x + 6 < 50

3 x < 50 - 6

3 x < 44

x < 44/3  ≅ 14.6666...

Therefore, select from the set the numbers:  13 and 14.

Tom saves 50% of his paycheck. If his
pay is $148, how much will he save?

Answers

Answer:

triangllllllllllllllllllllllllllllllllllllleeeee

Step-by-step explanation:

Answer:

$74

Step-by-step explanation:

50% means he saves half of his paycheck

148 ÷ 2 = 74

Thus, he saves $74 from his paycheck

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