Laura spent ⅕ of her money on a new pocketbook and had $90 remaining. How much did she spend on her new pocketbook?

Answers

Answer 1

Answer:

$18

Step-by-step explanation:

90 x 1/5

90/5

18

Answer 2

Answer:

$22.50

Step-by-step explanation

90 is 80% (4/5) of what number (x)? So you do 90 times 100 = 9000 and 80 times x is 80x and then 9000 divided by 80 is 112.5 so she had 112.5 to begin with but she spent 1/5 so 112.5 divided by 5 is 22.5 so 1 fifth is 22.5


Related Questions

PLEASE HELP ME OUT AND GRAPH THEMMMM :(((

Answers

Answer:

Just use math-way or des-mos  and it will graph them for you.

Suppose 2,400 spectators attend at leas one game this soccer season. Use ther survey data to estimate the number of spectators who attended 5 or more games this season

Answers

Answer:

800 spectators

Step-by-step explanation:

Using the survey provided above, we can see that the survey population is a total of 150 spectators by adding up all of the spectators. Since only 50 spectators attended 5 or more games then that means that the percentage of the survey population that attended 5 or more games is ...

50 / 150 = 0.3333 or 33.33%

Therefore, if we are supposing that 2,400 spectators attended at least one game this season then we can multiply this population by the percentage of people who tend to attend 5 or more games in order to actually calculate the total number of people who will attend 5 or more games this season.

2,400 * 0.3333 = 800 spectators

Jane needs $150 for the hot air balloon ride. She already has $45 and she can earn the rest by working 12 hours at her job. If h represents her hourly earnings, which of the following equations can be solved to find
Jane's hourly earnings? Circle two correct equations.
150 = 12h
12 = 150 - h
150 = 45 + 12h
150 + 45 = 12h
150 = 12h + 45

Answers

Answer:

C and E

Step-by-step explanation:

C and E are the only ones that are the same and represent the excerpt

Hope this help s plz mark brainliest if correct :D

Answer:

the last answer and the 3rd one

Step-by-step explanation:

At time t=0 hours, a tank contains 3000 litres of water. Water leaks from the tank. At the end of every hour there is x% less water in the tank than at the start of the hour. The volume of water, in litres, in the tank at time t hours is Vt. Given that Vt=KtV0 V2=2881.2 work out the value of k and the value of x.

Answers

Answer:

x = 2; K = 0.98

Step-by-step explanation:

At time, t = 0, Volume of Water = 3,000 litres

After t hours , the Volume of water in the tank = Vt

At the end of every hour there is a x% less water in the tank then at the start of the hour

After 1 hour, volume of water left Vt = V1

V1 = 3,000 - 3000 × (x/100)

V1 = 3,000 - 30x

After 2 hours, Volume of water left is V2

V2 = (3,000 - 30 x) - (3,000 - 30 x) × (x/100)

V2 = (3,000 - 30 x) - (3000x - 30x²)/100

V2 = {100(3000 - 30x) - x(3000 - 30x)} /100

V2 = {(3000 - 30x)(100 - x)}/100

Recall, V2 = 2881.2

Therefore

{(3000 - 30x)(100 - x)}/100 = 2881.2

(3000 - 30x)(100 - x) = 288120

300000 - 3000 x - 3000 x + 30 x² = 288120

30 x ² - 6000 x + 11880 = 0

Dividing both sides by 30

x² - 200 x + 396=0

Factorizing:

(x -198)(x-2) = 0

x = 198 or x = 2

Since the percentage by which the water reduces cannot be greater than 100, x = 2 is chosen.

Step 2: Solving for k

Given that Vt=KtV0

K = Vt/V0

At t = 1

V1 = 3000 - 30x

V1 = 3000 - 30 × 2

V1 = 3000 - 60

V1 = 2940

K = 2940/3000

K = 0.98

what’s is the answer to (-20)-7= I’m confused

Answers

Answer:

140

Step-by-step explanation:

You just multiply them together! :)

Answer:

-27

Step-by-step explanation:

PLEASSE HELPP Match the correct graph to the story below.
A bunny rabbit has a baby bunny. A month later, each bunny has another bunny. A month later, each bunny has another bunny, etc.
x = the number of months that have passed.

y = total number bunnies.

Answers

Answer:

x- none cause bunnies live for a year or two

Step-by-step explanation:

y- 4 cause it said only one bunny so 1 each month

Answer:

x- none cause bunnies live for a year or two

Step-by-step explanation:

y- 4 cause it said only one bunny so 1 each month

Can someone help me out

Answers

I believe that the answer is j 6

Help pls!

13x - 14 = - 118
- 13x =

Answers

13x-14=-118
13x=-104
-13x=104

13x - 14 = -118

13x = -104

x = -8

Solve the equation for the given variable.
A-(r+k/4 )
f for r

Answers

Answer:

This is a really complicated variable for me. I am very good at math though.

Step-by-step explanation:

Don’t know how to simplify this need answer

Answers

Answer:

me either jvyvyhvy

Simplify
(-1+4i)(9-4i)

Answers

Answer:

B 7+40i

Step-by-step explanation:

Answer:
7+40i

I hope this helped :)

-7x - 4y = 28
What is the x and y intercept

Answers

Step-by-step explanation:

x-int

-7x=28

x=-4

(-4,0)

-4y=28. y-int

y=-7

(0,-7)

HELP ITS DUE IN 5 MINUTES ILL GIVE BRAILIST

Answers

Answer:

Answer: C

Step-by-step explanation:

Find the area of the shaded region. Round your answer to the nearest tenth. Help!! Please!!

Answers

Answer:

Area in blue = 17.38m²

Step-by-step explanation:

I think it’s 81 m but I’m probably wrong lol

sue has 18 sweets, tony also has 18 sweets, sue gives tony x sweets, sue eats 5 of her sweets, tony then eats half of his sweets. write an expression for the number of sweets sue and tony now have

Answers

Answer:

s(18 - x)-5 t(18x/2) is initial

they now have;

t( 9x) s(13-x)

Step-by-step explanation:

Please help I don’t get it show work and I will give you brainliest

Answers

Answer:

wait are you like clicking on answer? or explaning it

Step-by-step explanation:

find the measure of angle in the circle

Answers

Answer:

x = 5 which mean that if you replace 5 with the x you will get 90 as your answer.

Step-by-step explanation:

Answer:

x=5

Step-by-step explanation:

∠17x+5≅∠18x

17x-18x=-5

-x=-5

x=5

17x5+5=90°

18x=90°

Question 8 of 10
What is the solution to the inequality?
15 < 4 + x

Answers

Answer:

11<x

x>11

first u subtract 4 on both sides

which leaves u with 11 on the left and x on the right

I think It's 11 I'm not sure

In a right triangle the shortest rib is 4cm and the largest 8 cm .Find the perimetre​

Answers

Answer:

24 cm

Step-by-step explanation:

(4+4) + (8+8)

Find from first principles the derivative of cos x​

Answers

Answer:

Please see the explanation.

Step-by-step explanation:

Let

[tex]f\left(x\right)=cosx[/tex]

By the first principle

[tex]f\:'\left(x\right)=\lim _{h\to 0}\left(\frac{f\left(x+h\right)-f\left(x\right)}{h}\right)[/tex]

          [tex]=\lim _{h\to 0}\left(\frac{cos\:\left(x+h\right)-cos\:x}{h}\right)[/tex]

           [tex]=\lim _{h\to 0}\left[\frac{cos\:x\:cos\:h-sin\:x\:sin\:h\:-\:cos\:x}{h}\right][/tex]

           [tex]=\lim _{h\to 0}\left[\frac{-cos\:x\left(1-cos\:h\right)-sin\:x\:sin\:h\:}{h}\right][/tex]

           [tex]=\lim _{h\to 0}\left[\frac{-cos\:x\left(1-cos\:h\right)\:}{h}-\frac{sin\:x\:sin\:h}{h}\right][/tex]

           [tex]=-cosx\:\left(\lim \:_{h\to \:0\:}\frac{1-cos\:h}{h}\right)-sin\:x\:\lim \:\:_{h\to \:\:0}\:\left(\frac{sin\:h}{h}\right)[/tex]

           [tex]=-cosx\:\left(0\right)-sinx\left(1\right)[/tex]

            [tex]=-sin\:x[/tex]

Can someone help and explain how you got the answer? Thanks^^

Answers

Answer:

C) (0,5)

Step-by-step explanation:

f(x) is y and x is x

The table is providing you with points

y-y over x-x gives you a slope of -5

Use the points and turn it into a point-slope equation and convert to y-intercept equation

y-15=-5(x+2)

y-15=-5x-10

y=-5x+5

So the y-intercept is 5 or (0,5)

what is the answer to this
3a+2b-a-3b

Answers

Answer:

Step-by-step explanation:2a-b

Answer:

2a-b

Step-by-step explanation:

We can start by grouping our A's and B's, while making sure to keep their individual signs.

For our A's, we get 3a-a and for our B's, we get 2b-3b.

When we simplify our A's, we get 2a and when we simplify our B's, we get -b.

After grouping them back together, you end up with 2a-b.

Find the slope of the line that passes through the points M(0,2) and N (1,7)
A. 1
B.-1
C.5
D.-5

Answers

Answer:

Hi... Your answer is... C=5

(-3/4)(-1 3/4)
evaluate ​

Answers

Answer:

5 1/4

Step-by-step explanation:

Translate the word phrase into a math expression.

12 meters longer than his throw.


t−12

t ÷ 12

t + 12

12 × t
answer right and get brainliest

Answers

Answer:

t+12

Step-by-step explanation:

brainliest por favor ❤❤

Answer:

t+12

Step-by-step explanation:

12 meters longer means that you're adding meters onto the throw. Hope that helps :)

minimum possible interior angle in a regular polygon is A. 70⁰ B. 60⁰ C. 90⁰​

Answers

Answer: B.60°

Step-by-step explanation:

2.3×10⁹=(1×10³)(2.3×10^n)​

Answers

Answer:

n = 6

Step-by-step explanation:

2.3 × [tex]10^{9}[/tex] = (1 × 10³)(2.3 × [tex]10^{n}[/tex] )

(1 × 10³)(2.3 × [tex]10^{n}[/tex] ) = (1)(2.3) × (10³)( [tex]10^{n}[/tex] ) = 2.3 × [tex]10^{3+n}[/tex]

2.3 × [tex]10^{3+n}[/tex] = 2.3 × [tex]10^{9}[/tex] ⇒ 3 + n = 9 ⇒ n = 6

Which type of work is an electrical engineer most likely to do?

Answers

Answer:

wiring probably.

Step-by-step explanation:

I need help! Thank you :)

Answers

Answer:

parallel

Step-by-step explanation:

Answer:

Parallel

Step-by-step explanation:

If you graph these on a graph the beginning part is the same however the second part (the 2 and 30) are different which would just show how far to space the lines because those are  the y-intercept and the fraction part is the slope

Apply the distributive property to factor out the greatest common factor 12 + 80

Answers

Answer:

gcf is 4

Step-by-step explanation:

Answer:

4(3+20)

Step-by-step explanation:

the 4 is the greatest common factor so i pulled it out and divided 12 and 80 to simplify

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