90% of what equals 81?? Please show how you got the answer!!

Answers

Answer 1
0.9x = 81
x = 81/0.9 = 90
the answer is 90
Answer 2

Answer:

90

Step-by-step explanation:

First you want to divide 81 by 90%. You do this because 81 is the number you have and 90 is the percent you have.

81/90% = 90

Doing this will get you 90. This works for all percentages too.

Also you can check your answer by reversing this.

90 × 90% = 81


Related Questions

Zx and Zy are supplementary angles. Zy measures 142º.
What is the measure of Zx?

Answers

Answer:

Supplementary angles means the sum will be 180 degrees. So since Zx = 142 degrees, allow: 180 = 142 + Zy. So, 180 - 142 = 38 degrees = Zy.

Step-by-step explanation:

find area round to nearest hundredth

Answers

Answer:

area = 693

Step-by-step explanation:

The area of a quadrilateral can be found using the formula; base * height

It is given that the height is 33, the base is 21;

Multiply the two

21 *33 = 693

Round 59.378 to the nearest hundredth.

Answers

Answer:

59.38

Step-by-step explanation:

In the number 59.378, "7" is in the hundredth place. So, we need to round it according to the 7. Anything to the left of 7 doesn't need to be rounded. If we round the thousandths place, 8, up to 7, we get 59.38

59.378 rounded to the nearest hundredth would be 59.38

Help!!!!!! Math problems

Answers

Answer:

(-3,-1)

Step-by-step explanation:

pls giv brainliest

Answer:

(-3, -1)

Step-by-step explanation:

Vertex

__________

The vertex is the highest or lowest point within a parabola. When you look at the point, you can see where it is exactly at.

Identify the vertex and
the axis of symmetry of the parabola. Identify points corresponding to P and Q.



PLS HELP TAKIN TEST RN MARKING BRANLIST

Answers

okkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk what the queston again lol I forgt

HELPPPPPP
Are these pairs a function WHY/WHY NO
(0,3)
(1,6)
(2,12)
(3,24)
(4,48)
(5,96)

Answers

Answer:

Step-by-step explanation:

Yes these pairs are a function because no two numbers are the same in any of the (x,y) pairs

I need help lol please

Answers

Answer:

Step-by-step explanation:

if we need to combine the like terms

-4p+(-6p)=-4p-6p=-10p

choice b

-39<5x+36 step by step explanation

Answers

Answer:

x > -25.

Step-by-step explanation:

-39 < 5x + 36

Subtract 36 from both sides:

-39 - 36 < 5x + 36 - 36

-75 < 5x

5x > -75

Divide both sides by 5:

x > -25.

Please help! Image attached ;'(

Answers

Answer:

Step-by-step explanation:

Sum of the angles of a triangle = 180degrees

Combine like terms

Add 41 to both sides

Divide both sides by 41

Substitute x = 13 to find m angle p

6x - 23 + 3x -1 + 8x -17 = 180

17x - 41 = 180

17x = 221

X = 13

M < P = 3x - 1 =

3(13) -1 =

39 - 1 = 38

reflect (-6, -7) in the x-axis thanks:)

Answers

(-6,7) since it’s the x axis you just change the sign of the y and keep x the same

My question is what is 69 x 420?










Once upon a time, there was a lovely princess. But she had an enchantment upon her of a fearful sort, which could only be broken by love's first kiss. She was locked away in a castle, guarded by a terrible fire-breathing dragon. Many brave knights had attempted to free her from the dreadful prison, but none prevailed. She waited in the dragon's keep, in the highest room of the tallest tower, for her true love and true love's first kiss." [Laughing] Like that's ever gonna happen.
[Paper Rustling, Toilet Flushes]
Shrek: What a load of--
[Toilet Door slams]
Shrek hops out his outhouse and his routine like taking a mud shower and farting in his pool.
[♪ All-Star By Smash Mouth Playing]
Steve Harwell: ♪ Somebody once told me the world is gonna roll me, I ain't the sharpest tool in the shed. She was lookin' kind of du mb with her finger and her thumb in the shape of an "L" on her forehead. The years start comin', and they don't stop comin', fed to the rules and I hit the ground runnin', didn't make sense not to live for fun. Your brain gets smart but your head gets du mb. So much to do, so much to see, so what's wrong with takin' the backstreets. You'll never know if you don't go, you'll never shine if you don't glow. Hey, now, you're an all-star. Get your game on, go play. Hey, now, you're a rock star. Get the show on, get paid. And all that glitters is gold, only shootin' stars break the mold. It's a cool place, and they say it gets colder, you're bundled up now, but wait till you get older. But the meteor men beg to differ judging by the hole in the satellite picture. The ice we skate is gettin' pretty thin, the water's getting warm so you might as well swim. My world's on fire, how 'bout yours? That's the way I like it and I'll never get bored. Hey, now, you're an all-star. ♪
[Shouting]
Steve Harwell: ♪ Get your game on, go play. Hey, now, you're a rock star. Get the show on, get paid. And all that glitters is gold, only shootin' stars break the mold. ♪
[Belches]
Villagers: Go! Go!
[Record Scrating]
Steve Harwell: ♪ Go. Go. Go. Hey, now, you're an all-star. Get your game on, go play. Hey, now, you're a rock star, get the show on, get paid. And all that glitters is gold, only shootin' stars break the mold. ♪
Villagers: Think it's in there? All right! Let's get it!
Villager 1: Whoa. Hold on. Do you know what that thing could do to you?
Villager 2: Yeah, it'll grind your bones for its bread.
Shrek: [Laughs] Yes, well, actually, that would be a giant. Now, ogres-- they're much worse. They'll make a suit from your freshly peeled skin.
Villager 3: No!
Shrek: They'll shave your liver. Squeeze the jelly from your eyes! Actually, it's quite good on toast.
Villager 3: Back! Back, beast! Back! I warn ya!
[Gasping]
Villager 3: Right.
[Roaring]
[Shouting]
[Roaring]
[Roaring Continues]
[Shouting Continues]
Shrek: [Whispers] This is the part where you run away.
[Gasping]
Shrek: [Laughs] [Laughing] And stay out! "Wanted. Fairy tale creatures." [Sighs]
Guard 1: All right. This one's full. Take it away!
[Gasps]
Guard 2: Move it along. Come on! Get up!
Captain of the Guards: Next!
Guard 3: Give me that! Your flying days are over.
Captain of the Guards: That's 20 pieces of silver for the witch. Next!
Guard 4: Get up!
Captain of the Guards: Twenty pieces.
Guard 5: Come on!
[Thudding]
Guard 6: Sit down there! Keep quiet!
Bear: [Crying] This cage is too small.

Answers

Answer:

28,980

Step-by-step explanation:

69 x 420 = 28,980

Beatifully written story/play!!!

Very innovative and just awesome!!!

Answer:

28980

Step-by-step explanation:

Which number has only two factors?

A: 6
B: 8
C: 9
D: 11​

Answers

Answer:

D) 11 cause it is only found form multiplying 1 and 11

PLSSS HELP SHOW WORK TOO
dis is worth 40 points bro and no steps then im deleting your response.

Elaina’s old bicycle had tires with a 12-inch diameter. Her new bicycle has tires with a 16-inch diameter. What is the difference in the circumference of the tires?

Answers

12x3.14= 37.68,
16x3.14= 50.24
The difference is 12.56

malik buys and sells car parts. he bought two tires for 45.00$

Answers

Answer: $213

Step-by-step explanation: I got this question on Algebra Nation

What is the slope for this equation in linear function y=2/3x-2

Answers

Answer:

2/3

Step-by-step explanation:

y=mx+b where m=slope and b=y-intercept.

A triangle has sides with eng sof 4 meters, 5 meters, and 7 meters.
Is it a right triangle?

Answers

Answer:

no

Step-by-step explanation:

a right triangle will have the same length on all sides

Sorry I don’t know how about going to my comment and comment ur answer

PQ=RQ what does b =

Answers

...... ....as i said,b = 17

help plssssssssssssssss

Answers

Answer:

i think C

follow me

please

Answer:

it is option B hope it help

your day will full of happiness

I NEED HELP ASAP!!!!!!

Answers

Answer:

The bottom

Step-by-step explanation: Everything's hard to see but the other answers are too low for them to be the answer.

Answer: 2/27 chance

Step-by-step explanation: 1/3 chance of science magazine x 2/9 chance of movie magazine

Factor the quadratic expression.

3x2 − 8x + 4

Answers

Answer:

(3x - 2) (x - 2)

Step-by-step explanation:

im smart

First multiply 3 and 4 to get 12. Now, we must get two numbers that multiply to 12, but also add to -8. The answer is -6 and 2.

Now rewrite this expression as “3x^2-6x+2x+4.

Now, group together each set of two terms and find the GCF of each. The GCF of 3x^2 and -6x is -3x. The GCF of 2x and 4 is 2.

Now, divide each group by the GCFs and place them next to each other. You should get -3x(x+2)+2(x+2). We know this is correct because the parentheses match.

Now, rewrite the duplicate factors as one, and group together what is outside the parentheses. The final answer is...

(-3x+2)(x+2).

To check, you can double distribute (FOIL) to see if it matches the original expression.

the first term of a geometric series is 124. The sum to infinity is 64 . Find the common ratio​

Answers

9514 1404 393

Answer:

  -15/16  

Step-by-step explanation:

The sum of a geometric series with first term a1 is ...

  S = a1/(1 -r)

Then the common ratio (r) is ...

  r = 1 -a1/S

For the given values, the ratio is ...

  r = 1 - 124/64 = -15/16

The common ratio is -15/16.

True or false: This equation is a linear function.
y= r3 + 3
O True
O False

Answers

Answer:

true

Step-by-step explanation:

....................

The answer is true, it is a linear function

At the beginning of an experiment, there are 400 grams of contaminants. Each hour, three-fourths of the contaminants are filtered out.


Use the model to calculate the number of contaminants after the third hour of the experiment.

the answer is not 168.75 cause that is how much filtered/went away. I need to know how much is left after it was filtered.

Answers

Answer:

18.75

Step-by-step explanation:

first hour: 400×(1/4) = 100

second hour: 100×(1/4) = 25

third hour: 25×(1/4) = 18.75

but i have to give credit to the first answerer, this is not my answer, though i know how to do it i dont know how to explain it properly.

which expression best represents the phrase"7 less than the quotient of 2x and 5"

Answers

Answer:

(2x/5)-7

Hope you got it!

One of the sisters decides that she isn't feeling well. She only wants a sprite and volunteers the remaining money to the others. How much do the other four sisters have to spend? There are 4 sisters each have $10.00

Answers

Answer:

First of all. On that page, theres 5 sisters. Gabby is included. so not 4, 5.

Step-by-step explanation:


What is the slope of the line through the points,
(-4,2) & (5,-1)

Answers

Answer:

-1/3

Step-by-step explanation:

[tex]m=\frac{y_2-y_1}{x_2-x_1}\\m=\frac{-1-2}{5--4}\\m=\frac{-3}{9}=-\frac{1}{3}[/tex]

Sara's office recycled a total of 12 pounds of paper over 4 weeks. How many weeks will it take Sara's office to recycle a total of 48 pounds of paper?

Answers

Answer:

16

Step-by-step explanation:

12 pounds: 4 weeks

48 pounds: 16 weeks

How many total possible outcomes are there in the sample when you are flipping 3 coins: a penny, a nickel, and a dime?
O4
O 6
08

Answers

8 because when you flip one coin there is 2 outcomes: heads and tails. Therefore if you flip 3 of them it is 2*2*2=8

Jacob went on a fishing trip. This year he caught 30 fish, which is six more than twice the number he caught last year. How many fish did Jacob catch last year?

Answers

Answer:

12 fish

Step-by-step explanation:

You need to work this problem backwards. If he caught 30 fish, which was six more than twice the number he caught last year, you would start by subtracting six, leaving you with 24. Then you'd have to divide by 2, because it was twice plus six as many fish, which would give you 12 fish.

[tex]\frac{30-6}{2}[/tex] = x

[tex]\frac{24}{2}[/tex] = x

12 = x

Question 6
Barry has a table with a diameter of 60 inches. What is the radius of the table?
PLZ HELP I HAVE TO SUMBIT IN 29 MIN

Answers

radius is half of diameter, so 30 inches
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