Joe had $100. He bought m books for n dollars each. How much money does he have left?

Answers

Answer 1

Answer:

100-mn

Step-by-step explanation:


Related Questions

Help fast plz 100 points!

Answers

Answer:

Answer is D, simplify the expression and solve.

Answer:

D

Step-by-step explanation:

To carry a bag of 50kg rice at the distance of 4
km a porter charges Rs.75. How much does the
porter charge at the same rate to carry a bag of
80kg rice to the distance of 10km?
b. 500
d. 700
a. 400
c. 600

Answers

Answer:

The porter charges Rs 300 at this rate.

Step-by-step explanation:

We solve this question by proportions, using rule of three.

75 Rs - 4 km - 50 kg

x Rs - 10 km - 80 kg

Relationship between the variables:

As the distance, or the weight increase, the rate will increase. This means that:

[tex]\frac{75}{x} = \frac{4*50}{10*80}[/tex]

[tex]\frac{75}{x} = \frac{200}{800}[/tex]

[tex]\frac{75}{x} = \frac{2}{8}[/tex]

[tex]x = \frac{75*8}{2} = 75*4 = 300[/tex]

The porter charges Rs 300 at this rate.

Find the volume. Round your answer to the nearest tenth.
DO NOT LABEL! Just type the number, rounded to 1 decimal place.

Answers

Answer:

523.6

Step-by-step explanation:

523.599 cm.

523.6 cm.

Please can I get help with this question?

Answers

Answer:

x = 18

Step-by-step explanation:

When two parallel lines are intersected by a transversal, then same-side exterior angles are supplementary, meaning their angle measures add up 180 degrees. Applying this knowledge here, one can state that;

( 6x - 3 ) + 75 = 180

Simplify,

6x - 3 + 75 = 180

6x + 72 = 180

Inverse operations,

6x + 72 = 180

     -72      -72

6x = 108

/6     /6

x = 18

Sheldon is a
long distance runner. He can run a mile
at a Consistent
pace of 6 4/5 minutes. How many
miles can be run in 30 minutes,.If he keeps that pace?​

Answers

Answer:

the answer would be 2.15

Step-by-step explanation:

first you would have to divded 64/5 by 30 and you get 2.15

It would be 4.4 miles 30/ 6.8= 4.4

(x-2) is a factor of 2x^3+ax^2+bx-2, and when the expression is divided (x-3) the remainder is -50. find a and b and the remaining factors. state the root of the equation 2x^3+ax^2+bx-2=0​

Answers

X=Mx+b
I looked it up

Please help, and please explain how you got the answer
A. 68 square units

B. 70 square units

C. 72 square units

D. 80 square units

Answers

Answer: i think it is D

Step-by-step explanation:

If the ratio of markers to erasers is 5:2. How many
markers would you have to have if there were 32
erasers?
Plz give me an explanation

Answers

Answer:

80 markers

Step-by-step explanation:

Set it up as an equation.

markers/erasers 5/2=x/32

Cross multiply to get 160=2x

x=80

Without graphing, determine whether the function represents exponential growth or exponential decay. y=12(17/10)^x

Answers

Answer:

exponential growth

Step-by-step explanation:

b- 17/10 is > 1 so it is growth

How many gallons will you get if you mix 3 pints, 6 quarts, and 2 cups

Answers

Answer:

2 liquid gallons

Step-by-step explanation:

3x+ 2X+15x =
[tex]3 x + 2 x + 15 x =[/tex]

Answers

Step-by-step explanation:

3x+2x+15x=20x

hope it helps.

Answer:

9° Or 20x

Step-by-step explanation:

2x+3x+15x = 180°

20x = 180°

x = 180°÷20

x = 9°

Or,

2x+3x+15x = 20x

A shirt originally priced at $45 was marked down 15%. After a week, the shirt was marked down another 15% off the sale price. What is the percent of change from the original price to the final sale price? Write as decimal percent.

Answers

27.76% I believe. infinite decimal.

Answer: 27.75 decrease

Step-by-step explanation:

45 times .85 (100-15(perecent)= 85) is a
a times .85 is b
(b-45)/45 is -0.2775 which is 27.75% which is -27.75

"What is Limit of h (x) as x approaches 10 plus?"

Answers

As x → 10 from above, h(x) is steadily approaching 18.5.

According to the table, the limit of h (x) as x approaches 10 plus is 18.5

How to determine the limit value?

From the table, the value of the function at x = 10 is:

h(10) = undefined

As x exceeds x = 10, the function values become:

h(x+) = 18.5......

When approximated, we have:

h(x+) = 18.5

Hence, the limit of h (x) as x approaches 10 plus is 18.5

Read more about limits at:

https://brainly.com/question/10434858

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3 and 1/3 + 4 and 5/7 =

please I need this answer ASAP I'll give you 27 points if you can solve this and I'll give you the brainleist crown!!! today!!!

Answers

The answer is 8 and 1/21 in fixed fraction.

and decimal form it would be 8.047619

A table consists of the following ordered pairs: ( 1, 11)( 2, 22)( 3, 33)( 5, 55)
What is the equation for this table?

Answers

Answer:

X coordinate times 11 :)

Step-by-step explanation:

Use the expression 28b - 4c. Part B: What is the value of the expression when b = -4 and c = 1? Show your work or explain.

Answers

Answer:

The value of the expression is -116

Step-by-step explanation:

Given

[tex]Expression: 28b - 4c[/tex]

Required

Solve when b = -4 and c = 1

[tex]Expression: 28b - 4c[/tex]

Substitute -4 for b and 1 for c

[tex]Expression: 28*-4 - 4*1[/tex]

[tex]Expression = -28*4 - 4[/tex]

[tex]Expression = =112 - 4[/tex]

[tex]Expression: -116[/tex]

The value of the expression is -116

Help me answer this PLEASE!

Answers

Answer:

B

Step-by-step explanation:

35 percent answer the quiz correctly

how many times someone would land on a number less than or equal to 5 if they rolled a die 90 times.

Answers

Answer:

75 times

Step-by-step explanation:

If they rolled each number 15 times, they would roll 5 or lower 75 times.

One gallon of paint covers about 450 square feet. How many square feet will 1.5 gallons of paint cover?
300 sqft
900 sq ft
675 sq ft
451.5 sq ft
please answer !!

Answers

Answer:

Option A: 300 square feet.

Step-by-step explanation:

In this question, all you do is divide! What is 450 / 1.5? 300. And don't forget to add your unit.

Answer:

675 sq ft

Step-by-step explanation:

If one gallon covers 450 sq ft, then 1.5 gallons covers 450 sq ft + 50% of 450.

So...

Divide 450 by 2

450 / 2 =

225

Then Add

450 + 225 =

675 sq ft

Which system of equations does not have the
same solution as the system below?
4x + 3y = 10
-6x - 5y = -16
1) -12x - 9y = -30
12x + 10y = 32
2) 20x + 15y = 50
-18x -15y = -48
3) 24x + 18y = 60
-24x - 20y = -64
4) 40x + 30y = 100
36x + 30y = -96

Answers

As per linear equation, except for the option(4), all system of equations have same solution.

What is a linear equation?

"A linear equation is an equation in which the highest power of the variable is always 1. It is also known as a one-degree equation. The standard form of a linear equation in one variable is of the form Ax + B = 0. Here, x is a variable, 'A' is a coefficient and 'B' is constant".

Given system equations:

4x + 3y = 10                                (equation 1)

-6x - 5y = -16    

⇒ (6x + 5y) = 16                          (equation 2)

Option. 1: - 12x - 9y = - 30

⇒ - 3(4x + 3y) = - 3

⇒ (4x + 3y) = 10                          (equation 3)

Again, 12x + 10y = 32

⇒ 2(6x + 5y) = 16

⇒ (6x + 5y) = 16                         (equation 4)

Option. 2: 20x + 15y = 50

⇒ 5(4x + 3y) = 50

⇒ (4x + 3y) = 10                          (equation 5)

Again, -18x -15y = -48

⇒ - 3(6x + 5y) = - 48

⇒ (6x + 5y) = 16                         (equation 6)

Option. 3: 24x + 18y = 60

⇒ 6(4x + 3y) = 60

⇒ (4x + 3y) = 10                         (equation 7)

-24x - 20y = -64

⇒ - 4(6x + 5y) = - 64

⇒ (6x + 5y) = 16                         (equation 8)

Option. 4: 40x + 30y = 100

⇒ 10(4x + 3y) = 100

⇒ (4x + 3y) = 10                           (equation 9)

Again, 36x + 30y = -96

⇒ 6(6x + 5y) = -96

⇒ (6x + 5y) = -16                           (equation 10)

Therefore, except for the option(4), all system of equations have same solution.

Learn more about a linear equation here: https://brainly.com/question/13997560

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if the area of the base of a cylinder is 36 square inches, and the height is 12 inches, then which expression represents
he volume of the cylinder?

Answers

The volume of the cylinder you find my adding so it would be 500

Write a division expression with a quotient that is: a. greater than 8÷0.001 b. less than 8÷0.001 c. between 8÷0.001 and 8÷ 1 10

Answers

9÷0.001 is greater than 8÷0.001.
7÷0.001 is less than 8÷0.001.
8÷0.002 lie between 8÷0.001 and 8÷110.

calcula el área de cada figura y con el resultado colorea el dibujo .Recuerda para obtener el área de un trapecio es (B+b)×a\2 para el romboide = b×a

necesito una respuesta por fa​

Answers

Necesitamos las figuras... ;)

Tyheem ran a total of 3 (4/5) miles on Saturday and Sunday. He ran 1 (5/8) miles on Saturday. How many miles did Tyheem run on Sunday?

Answers

Answer:

87/40

Step-by-step explanation:

change the fractions to improper form so it will be 19/5 in total and 13/8 on sat .

now subtract total and the sat one

19/5- 13/8

get the same denominator

152/40 - 65/40

87/40

Determine the total number of roots of each polynomial function using the factored form.

f (x) = (x - 6)2(x + 2)2

Answers

Answer:

x=6 or x= -2

Step-by-step explanation:

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

'.

..

13x + 2 = 41
a. List the steps to form 13x +2.
b. List the steps to solve 13x + 2 = 41.

Answers

Answer:

Step-by-step explanation:

There isn't an exact answer for the first one since there are no like terms. But the steps to get 13x + 2= 41.

You'd have to find x.

In order to find x, you'll need to subtract 2 on both sides

13x + 2 = 41

      - 2 = - 2

You'll end up with:

13x = 41

Next step is to divide 13 on both sides.

13x/ 13 = 41/ 13

So, x = 41/ 13

Or simplified to 3.153

Hope this helped !!

First person gets brainliest 2

Answers

Answer:

Heyyyyy

Step-by-step explanation:

Answer:

yess

Step-by-step explanation:

Which of the following Expressions is equivalent to 25+6x-10(x+2)

Answers

Answer:

bxbdbdbdbhd

Step-by-step explanation:

$2200jfjfjffjfodod/month

You purchase 5 tickets to a football game from an Internet
ticket agency. In addition to the cost per ticket, the agency charges
a convenience charge of $2.50 per ticket. You choose to pay for rush
delivery, which costs $15. The total cost of your order is $352.50. What is
the price per ticket not including the convenience charge?

Answers

Answer:

The price per ticket, excluding the convenience charge, is of $65.

Step-by-step explanation:

You choose to pay for rush delivery, which costs $15. The total cost of your order is $352.50.

So, only for the 5 tickets, you pay 352.50 - 15 = $337.50.

In addition to the cost per ticket, the agency charges a convenience charge of $2.50 per ticket.

Excluding the convenience charge per ticket, you will pay:

337.50 - 5*2.50 = 325.

What is the price per ticket not including the convenience charge?

$325 for 5 tickets.

325/5 = 65

The price per ticket, excluding the convenience charge, is of $65.

A line parallel to one side of a triangle divides the other two sides proportionally true or false?

Answers

Answer:

true

Step-by-step explanation:

Triangle Proportionality Theorem - 'If a line is parallel to one side of a triangle and intersects the other two sides, then it divides the other two sides proportionally'. Hence, the given statement is true

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