plz use the image below

Plz Use The Image Below

Answers

Answer 1

Part (i)

Answer:  m/n

--------------------

Explanation:

You divide the total bill over the number of people at the dinner. This leads to the quotient and the amount each person pays (each person pays the same amount).

====================================================

Part (ii)

Answer:  80 dollars

--------------------

Explanation:

Plug in m = 400 and n = 5 to get

m/n = 400/5 = 80

====================================================

Part (iii)

Answer:  m = 7x

--------------------

Explanation:

x = m/n

x = m/7

7x = m ... multiply both sides by 7

m = 7x

The total bill is 7 times of what each person paid.

====================================================

Part (iv)

Answer:  7 people

--------------------

Explanation:

x = 20 is the amount each person paid

m = 140 is the total bill

n = number of people who went to dinner

x = m/n

20 = 140/n

20n = 140 ..... multiply both sides by n

n = 140/20 ..... divide both sides by 20

n = 7

Seven friends went to do dinner, splitting a $140 bill, paying $20 each

Answer 2

Answer:

m/n; $80; 7*x; 7 friends

Step-by-step explanation:

(I) $x=$m/n

(II) $x=400/5=$80

(III) $m=7*x

(IV) n=140/20=7


Related Questions


If y varies inversely as x and y = 8 when x = 3, find the value of x when y = 12

Answers

Answer:

x = 7

Step-by-step explanation:

................Hi.....................

which expressions are equal to 3/5 × 6

a. 3 × ( 6 ÷ 5 )

b. 3 ÷ (5 × 6 )

c. ( 3 × 6 ) ÷ 5

d. 3 × 6/5

Answers

Answer:

A & C & D

Step-by-step explanation:

A & C & D both show the commutative property of multiplication and therefore is the correct answer because 3/5(6) = 18/5 and 3(6/5) is also 18/5.

3 x (6÷5) is also 18/5

(3×6)÷5 is also 18/5

Help please! I was absent the day we talked about this and im super confused.

Answers

Answer: It may be 25 or 101

Step-by-step explanation:

Given the following two points write the equation in slope intercept form: (0, -5) and (4, 3)

Answers

Answer:

[tex]y=2x-5[/tex]

Step-by-step explanation:

Let's start by finding the slope using the two points given. Use the formula for slope below:

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

Identify your values:

[tex]x_1=0\\x_2=4\\y_1=-5\\y_2=3[/tex]

Substitute:

[tex]m=\frac{3-(-5)}{4-0}[/tex]

Combine terms:

[tex]m=\frac{8}{4}[/tex]

Simplify:

[tex]m=2[/tex]

_

Let's graph these two points. As seen on the graph attached, we can see that [tex]-5[/tex] is the y-intercept. With our slope and y-intercept, we have the information needed to formulate an equation in slope-intercept form:

[tex]y=mx+b[/tex]

Identify your values:

[tex]m=2[/tex]

[tex]b=-5[/tex]

Substitute:

[tex]y=2x-5[/tex]

(f + h)(x)
given f(x)= 3x-2x+4, g(x)= 8x-2, h(x)= 3x +2

Answers

Answer:

To find the answers, all I have to do is apply the operations (plus, minus, times, and divide) that they tell me to, in the order that they tell me to.

(f + g)(x) = f (x) + g(x)

= [3x + 2] + [4 – 5x]

= 3x + 2 + 4 – 5x

= 3x – 5x + 2 + 4

= –2x + 6

(f – g)(x) = f (x) – g(x)

= [3x + 2] – [4 – 5x]

= 3x + 2 – 4 + 5x

= 3x + 5x + 2 – 4

= 8x – 2

(f  × g)(x) = [f (x)][g(x)]

= (3x + 2)(4 – 5x)

= 12x + 8 – 15x2 – 10x

= –15x2 + 2x + 8

\left(\small{\dfrac{f}{g}}\right)(x) = \small{\dfrac{f(x)}{g(x)}}(  

g

f

​  

)(x)=  

g(x)

f(x)

​  

 

= \small{\dfrac{3x+2}{4-5x}}=  

4−5x

3x+2

​  

 

My answer is the neat listing of each of my results, clearly labelled as to which is which.

( f + g ) (x) = –2x + 6

( f – g ) (x) = 8x – 2

( f  × g ) (x) = –15x2 + 2x + 8

\mathbf{\color{purple}{ \left(\small{\dfrac{\mathit{f}}{\mathit{g}}}\right)(\mathit{x}) = \small{\dfrac{3\mathit{x} + 2}{4 - 5\mathit{x}}} }}(  

g

f

​  

)(x)=  

4−5x

3x+2

Step-by-step explanation:

If fx)= 6x-4, what is fx) when x= 8"
A 2
B 16
C 44
D 52​

Answers

Since x = 8, you would need to plug in 8 into the x.

f(x) = 6x - 4

f(x) = 6(8) - 4

f(x) = 48 - 4

f(x) = 44

So, the correct answer would be C. 44

Question 9 (10 points)
Why did the Europeans decided to take African's as slaves?
They hated them
The European's knew that the African's would not die as quickly as indentured
servants because they came from a warm climate.
African tribes sold rival tribes to the European's for things, such as, radios
European's lived close to Africa

Answers

Answer:

B

Step-by-step explanation:

peepeepoopoo check

What is 3 3/8+ 5/12=_____.Plz tell me!

Answers

Answer:

3 19/24

Step-by-step explanation:


A farmer has 48 feet of fence with which to make a corral. If he arranges it into a rectangle that is twice as
long as it is wide, what are the dimensions?
The shorter side is ?
feet while the longer side is ?
feet.

Answers

Answer:

The shorter side is 8 feet

the longer side is 16 feet

Step-by-step explanation:

lets call the shorter side x.

let's call the longer side 2x (because it's twice as long as the shorter side)

you know that the perimeter is 48 feet.

the perimeter would be 2(short side) + 2(long side)

using this, you can make the following equation:

2(x) + 2(2x) = 48

open the parenthesis.

2x + 4x = 48

6x = 48

x = 8

2x = 16

A large two-topping pizza from Tony's Pizzeria has 8 slices and costs $16.00. Vivian wants to know the cost per slice. Complete the ratio of dollars to slices.
? to ?

Answers

Answer: 2 to 1

Explanation: 16 divided by 8 is 2. So 1 slice of pizza is 2 dollars.

The ratio of dollars to slices is 2 and the cost per slice is $2.

What is ratio?

In mathematics, a ratio shows how many times one number contains another.

Given is that a large two-topping pizza from Tony's Pizzeria has 8 slices and costs $16.

The ratio of dollars to slices is given as - r = 16/8 = 2The ratio of dollars to slices is given as  is also equal to cost per slice as -  r = cost per slice = $2

Therefore, the ratio of dollars to slices is 2 and the cost per slice is $2.

To solve more questions on ratios, visit the link below -

https://brainly.com/question/21138916

#SPJ2

А
А
w
B
B
B.
Pair 1
Pair 2
Pair 3
1. Which transformation takes Figure A to Figure B in Pair 1: a translation, rotation, on
reflection? [Select)
2. Which transformation takes Figure A to Figure B in Pair 2: a translation, rotation, on
reflection? (Select ]
3. Which transformation takes Figure A to Figure B in Pair 3: a translation, rotation, on
reflection? Select ]

Answers

Answer:

see below

Step-by-step explanation:

Pair 1 is a rotation since we turn figure A into figure B

Pair 2 is a reflection since we flip figure A into figure B over a horizontal line

Pair 3 is a translation since we slide figure A into figure B by moving it down

Translate the sentence into an equation.

Twice the difference of a number and 5 equals 3.

Use the variable x for the unknown number.

Answers

Answer:

I believe it's 2(x-5)=3

Please help I will mark brainliest

Solve the equation. x - 4 = -5x - 28 x =

Answers

Answer:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

x/4-(28/1)=0

Step by step solution :

STEP

1

:

28

Simplify ——

1

Equation at the end of step

1

:

x

— - 28 = 0

4

STEP

2

:

x

Simplify —

4

Equation at the end of step

2

:

x

— - 28 = 0

4

STEP

3

:

Rewriting the whole as an Equivalent Fraction

3.1 Subtracting a whole from a fraction

Rewrite the whole as a fraction using 4 as the denominator :

28 28 • 4

28 = —— = ——————

1 4

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

3.2 Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

x - (28 • 4) x - 112

———————————— = ———————

4 4

Equation at the end of step

3

:

x - 112

——————— = 0

4

STEP

4

:

When a fraction equals zero

4.1 When a fraction equals zero ...

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the denominator, Tiger multiplys both sides of the equation by the denominator.

Here's how:

x-112

————— • 4 = 0 • 4

4

Now, on the left hand side, the 4 cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :

x-112 = 0

Solving a Single Variable Equation:

4.2 Solve : x-112 = 0

Add 112 to both sides of the equation :

x = 112

One solution was found :

x = 112

Step-by-step explanation:

make me as brain liest

2/3 divided by 5 please help me I'm bad at math (it needs to be a fraction)

Answers

Answer:

The answer is 4

Step-by-step explanation: I did the work and it works out like that I hope this helps

yoo ill give brainiest doe

Answers

Answer:

2

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

Round to the nearest tenth.
4.8367

Answers

Answer:

Number = 4.8367

Rounded to the nearest tenth means, rounded to the number after the decimal point.

We will have to round down because the hundredth is less than 5

So, we get,

4.8367 becomes, 4.8

Therefore 4.8367 rounded to the nearest tenth = 4.8

If my answer helped, kindly mark me as the Brainliest!!

Thank You!

The number 4.8367, when rounded to the nearest tenth, becomes 4.8

What is rounding a number to some specific place?

Rounding some number to a specific value is making its value simpler (therefore losing accuracy), mostly done for better readability or accessibility.

Rounding to some place keeps it accurate on the left side of that place but rounded or sort of like trimmed from the right in terms of exact digits.

The digit 5 acts as a limit.

if the right sided digit to the digit where we've to round off is < 5, we keep it same and make all right sided values 0, and if the right sided digit  is > 5, then we make it increase by 1 and rest of the right sided digits become 0. If the digit on right is 5, and after it there is only zeros or no value, then we round up (increase by 1, as we did in 347500 -> 34800 ) (Well there are many detailed rules of rounding)

Rounding to the nearest tenth means rounding the first place to the right of the decimal point.

The given number is 4.8367

The digit on the right of the decimal point is 8. On the right of that, there is 3, which is < 5, so the first right digit on right of the decimal point, after rounding, will have no change,and rest of the numbers from the right first place of the decimal point will get trimmed off.

Thus, we get:

4.8367 → 4.8 (after rounding to the nearest tenth)

Thus, the number 4.8367, when rounded to the nearest tenth, becomes 4.8

Learn more about rounding numbers  here:

https://brainly.com/question/1285054

#SPJ2

The formula for the circumference of a circle is C=2πr. What is the radius of a circle with a circumference of 22 cm?

Answers

Answer:

3.5cm

Step-by-step explanation:

Does her equation make sense? If so, explain why her
equation must be true. If it is not correct, determine what is incorrect and
rewrite the equation.

Answers

Yes , the equation make sense because right angle is 90 degree. Also two angles make up 90 degree


HELP PLEASE PLEASE 10 PONITS PLEASE ASAP

Answers

Answer:

S = { }

Step-by-step explanation:

The set S has no members

18x + x = 8x - 20x
What kind of problem is this? (one solution, no solution, infinitely/many)

Answers

Answer:

no solution

Step-by-step explanation:

Answer:

its an infinitely/many

Step-by-step explanation:

Please help me ASAP, I don't have much time!

Answers

The answer to this is B

Answer:

x= - 3

Step-by-step explanation:

21x-4=-67  

21x=-63

A timber company in northern Georgia is harvesting pine trees to sell by the cord. A typical acre produces 13.85 cords of wood, and the company sells each cord for $19.20. How much money can the timber company expect to make from each acre of pine trees?

Answers

$265.92 per acre I think

− 9/ 5 v = 10 plz hurrryryryryryryryryry

Answers

Answer: v=559

Step-by-step explanation:Solve for V

by simplifying both sides of the equation, then isolating the variable.

Exact Form:

V=−509

Decimal Form:

V=−5.¯5

Mixed Number Form:

V=−559

Hope this helps!!!!!!

Who’s is a graph Line with a negative slope and positive y-intercept

Answers

Answer:

The second one

Step-by-step explanation:

this is hardddddddddd i think

Answers

-14x + 7x^2 is the answer

Answer:  7x²  - 14x

Steps: 7(-2x + x²)

Apply the distributive law [ a(b + c) = ab + ac ]:   7(-2x) + 7x²

Apply negative/positive rules:  -7 × 2x + 7x²

Simplify: 7x²  - 14x

Dina's birthday was 125 days ago. If today is Sunday, on what day of the week did her birthday fall?

Answers

Her birthday took place on a Saturday. :)

Answer:

her birthday is on Saturday

Step-by-step explanation:


A box of baseball cards is $25.00 with %15 off. What is the sale price of the box of cards? In other words, how much is it after
take the discount off)

Answers

Answer:

21.25

Step-by-step explanation:

you would multiply 25 by 0.15 to get the percent being taken off then subtract that from your original price

A bird leaves its nest and travels 15 miles per hour downwind for x hours. On the return trip, the bird travels 3 miles per hour slower and has 2 miles left after x hours.

a. What is the distance of the entire trip?

miles

b. How long does the entire trip take?

_hours
_minutes and
_seconds

Answers

Answer:

A)

10 miles.

B)

0 hours, 40 minutes, and 0 seconds.  

Step-by-step explanation:

Remember that distance is given by the formula:

[tex]d=st[/tex]

Where d is the distance, s is the speed, and t is the time.

We know that the bird leaves its nest and travels 15 miles per hour for x hours. So, let's substitute 15 for s and x for t:

[tex]d=15x[/tex]

On the return trip, the bird travels 3 miles per hour slower and has 2 miles left after x hours.

Since this is the return trip, the distance d remains the same. We know that the bird travels 3 miles per hour slower, so it's speed is 15-3 or 12 miles per hour.

However, after x hours, it still has 2 miles left until reaching the destination. So, we will subtract 2 from d. This gives us the equation:

[tex]d-2=12x[/tex]

We can solve this using substitution. Since we already know that d is 15x. Substitute:

[tex]15x-2=12x[/tex]

Solve for x. Subtract 12x from both sides:

[tex]3x-2=0[/tex]

Add 2 to both sides:

[tex]3x=2[/tex]

Divide both sides by 3:

[tex]x=2/3[/tex]

Therefore, the bird traveled for a total of 2/3 hours or 40 minutes.

And the distance the bird traveled is:

[tex]d=15x[/tex]

Substitute 2/3 for x to get:

[tex]d=15(2/3)=30/3=10\text{ miles}[/tex]

And we're done!

Jack is walking on a trail and comes to mile mark 5. If he continues walking for another mile, what is the next mile marker he will come to"? This problem has to possible solutions. ​

Answers

Answer:

I would say 6 or 4, if we don't know which direction he is walking

Solve for x. −4≤11−3x

Answers

Answer: x ≤ 5

Explanation: −4 ≤ 11 − 3x = x  ≤ 5

Answer:

The answer is x ≤ 5.

Step-by-step explanation:

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