### Answered by answersmine:

There is no difference, 6rs-(-2rs) if you get rid of the parenthesis you are left with 6rs- -2rs and two negatives make a positive therefore the answer will become 8rs... I hope this helps :)

## Related questions in Mathematics

### Find the slope of a line through each pair (8,10),(-7,14)

First u have to find Y2-Y1/X2-X1 , so u will replace the number to the y and x value.

step1: subtract Y2 and Y1. then find the different of x_value, which is 14-10/-7-8

step2: after u find the differences, u will get 4/(-15) .

finally, you will get a slope. y=4/-15x+b.

step1: subtract Y2 and Y1. then find the different of x_value, which is 14-10/-7-8

step2: after u find the differences, u will get 4/(-15) .

finally, you will get a slope. y=4/-15x+b.

### Find two consecutive integers such that ten more than twice the smaller is seven less than three times the larger.

One integer should be x

and the second one should be x+1

according to the question

2x+10 = 3(x+1) - 7

2x+10 = 3x+3-7

2x +10 = 3x-4

2x-3x+10+4 = 0

-x + 14= 0

-x = -14

minus got canceled out

therefore,

x = 14 and

x+1

14+ 1

15

so the numbers are 14 and 15

and the second one should be x+1

according to the question

2x+10 = 3(x+1) - 7

2x+10 = 3x+3-7

2x +10 = 3x-4

2x-3x+10+4 = 0

-x + 14= 0

-x = -14

minus got canceled out

therefore,

x = 14 and

x+1

14+ 1

15

so the numbers are 14 and 15

### Find two consecutive even integers such that their sum is equal to the difference of three times the larger and two times the smaller.

X and x+2 are the numbers

x+(x+2)=3(x+2)-2x

2x+2=3x+6-2x

2-6=x

x=4

x+2=6

the numbers are: 4 and 6

x+(x+2)=3(x+2)-2x

2x+2=3x+6-2x

2-6=x

x=4

x+2=6

the numbers are: 4 and 6

### Im thinking of a number .the 1000s digit is lower than 4.the100s digit is 4 . the 10s digit is even .the 1s digit is 6.find eight possible number

1426, 1446, 1466, 1486, 2426, 2446, 2466, 2486, 3426, 3446, 3486, 3466

### Write to explain two ways you can find the sum of 3+4+5.

Way one: put the biggest number in your head in this case 5 then count up 4 then 3 more so you get 12

way 2: draw 3 tally marks then 4 more then 5 more then count them all together to get the sum 12

hope this helped:)

way 2: draw 3 tally marks then 4 more then 5 more then count them all together to get the sum 12

hope this helped:)

### A complex number, (a + bi), multiplied by (2 + 3i) and added to -i gives the product of (-11 + 5i) and (1 – i).a = and b =

**Answer:**

Hence, we have:

** a= 3 and b= 4**

**Step-by-step explanation:**

It is given that:

A complex number, (a + bi), multiplied by (2 + 3i) and added to -i gives the product of (-11 + 5i) and (1 – i).

i.e.

Since, we know that :

Hence, we have:

i.e. we have:

and

On multiplying equation (1) by 2 and equation (2) by 3 we get:

on putting the value of a into equation (1) we get:

### EXERCISE A one-year membership to a gym costs $725. The registration fee is $125, and the remaining amount is paid monthly. Define a variable. Then write and solve an equation to find how much new members pay each month.

I would say the variable is the # of months. if a member joined for 6 months they would pay the 125 registration fee and then $60.42/ month.

### Find a number between 364 and 384 which is multiple of 3 and7

378 is the number since it is found to be divisible by not only 7 but also 3.

### A square field is to be ploughed ramu gets it ploughed in rupees 34560 at the rate of 15 perm sq find the side of square field.

I think the answer is 2,304

### F(x)=√(10-3x) find the formula

Let y=f(x)

y=sqrt(10-3x)

you want to make x the subject

square both sides

y²=10-3x

3x=10-y²

x=(10-y²)/3

now replace y with x

f^-1(x)=(10-x²)/3

y=sqrt(10-3x)

you want to make x the subject

square both sides

y²=10-3x

3x=10-y²

x=(10-y²)/3

now replace y with x

f^-1(x)=(10-x²)/3

### Doreen schmidt is a chemist. She needs to prepare 36 ounces of a 10% shydrochloric acid solution. Find the amount of 18% solution and the amount of 9% solution she should mix to get this solution

Total = 36oz

Amount of 18% solution = x

Amount of 9% solution = 36 - x

Using the fact that (amount of solution) * (percent HCl) = amount HCl we can set up an expression for the amount HCl in a mixture of 18% and 9% solutions with a total volume of 36oz.

Amount of HCl = x*0.18 + (36 - x)*0.09

If we divide this by the amount of solution we get percent HCl, and we have a target of 10% HCl. Now we have an equation to solve,

[x*0.18 + (36 - x)*0.09]/36 = 0.1

x*0.09 + 3.24 = 3.6

.09x = 0.36

x = 4

Therefore,

4 ounces of 18% HCl solution and 32 ounces of 9% HCl solution

Check:

[(4*.18) + (.09*32)]/36 = 0.1?

0.1 = 0.1 Yes.

Amount of 18% solution = x

Amount of 9% solution = 36 - x

Using the fact that (amount of solution) * (percent HCl) = amount HCl we can set up an expression for the amount HCl in a mixture of 18% and 9% solutions with a total volume of 36oz.

Amount of HCl = x*0.18 + (36 - x)*0.09

If we divide this by the amount of solution we get percent HCl, and we have a target of 10% HCl. Now we have an equation to solve,

[x*0.18 + (36 - x)*0.09]/36 = 0.1

x*0.09 + 3.24 = 3.6

.09x = 0.36

x = 4

Therefore,

4 ounces of 18% HCl solution and 32 ounces of 9% HCl solution

Check:

[(4*.18) + (.09*32)]/36 = 0.1?

0.1 = 0.1 Yes.

### The area of rectangle is 1936m sq. if the length is 4 times its breadth. find the dimension of the rectangle.

Let the breadth be x m.

So, length = 4x m.

Area of the rectangle = 1936m sq.

So,

4x × x = 1936

4x^2 = 1936

x^2 = 1936/4

x^2 = 484

x = √484

x = √22×22

x = 22

Hence, breadth = 22m.

Length = (4×22)m = 88m.

So, length = 4x m.

Area of the rectangle = 1936m sq.

So,

4x × x = 1936

4x^2 = 1936

x^2 = 1936/4

x^2 = 484

x = √484

x = √22×22

x = 22

Hence, breadth = 22m.

Length = (4×22)m = 88m.

### Find the volume of cubical box . if the cost of painting of outer surface is rs 1440 at the rate rs 15 per mcube

Surface of a cubical box=6(side²)

1)We have to calculate the surface of this cubical box.

Rate=cost of painting / surface ⇒surface=cost of painting/rate

Data:

Rate=$15/m²

cost of painting=$1440

Surface=$1440/($15/m²)=96 m²

2)We find out the length of the side:

Surface of a cubical box=6(side²)

Data:

Surface of a cubical box=96 m2

Therefore:

96m²=6 (side²)

side²=96 m²/6

side²=16 m²

side=√(16 m²)=4 m

3) We find the volume of a cubical box.

volume=(side³)

volume=(4 m)³

volume=64 m³

1)We have to calculate the surface of this cubical box.

Rate=cost of painting / surface ⇒surface=cost of painting/rate

Data:

Rate=$15/m²

cost of painting=$1440

Surface=$1440/($15/m²)=96 m²

2)We find out the length of the side:

Surface of a cubical box=6(side²)

Data:

Surface of a cubical box=96 m2

Therefore:

96m²=6 (side²)

side²=96 m²/6

side²=16 m²

side=√(16 m²)=4 m

3) We find the volume of a cubical box.

volume=(side³)

volume=(4 m)³

volume=64 m³

**Answer: the volume of this cubical box would be 64 m³.**### Given: F(x) = 2x - 1; G(x) = 3x + 2; H(x) = x 2 Find F{G[H(2)]}

F{G[H(2)]} = F{G[2*2]} = F{G[4]} = F{3*4+2} = F{14} = 2*14-1 = 27

### How to find the positive value of x cubed, (equals 8)?

X equals 2. 2 times 2 equals 4, then you multiply it by 2 again, which equals 8. Basically you just have to find the square root of 8, which is 2.

### Evaluate the difference quotient for the given function f(x)=1/x, f(x)-f(a)/x-a

I hope this helps you

### A petting zoo has 5 lambs 11 rabbits 4 goats and 4 piglets. find the ratio of goats to the total number of animals. write the ratio in the simplest form then explain its meaning

First, add together the number of all the animals.

5+11+4+4=24

Then, find the number of goats and put that into a ratio with 24

4:24

1:6

This ratio means that for every 6 animals there is 1 goat

Hope this helps :D

5+11+4+4=24

Then, find the number of goats and put that into a ratio with 24

4:24

1:6

This ratio means that for every 6 animals there is 1 goat

Hope this helps :D

### A line in the Cartesian plane passes through the points (–2, 4) and (2, –1). What are the rise and the run of the line? A. The run is 4, the rise is 5. B. The rise is –5, the run is 4. C. The run is –5, the rise is 4. D. The rise is –4, the run is –5.

-1-4 divided by 2-(-2) or (4) your rise is Y which is -5 and your run is X which is 4

### A ladder 10 ft long rests against a vertical wall. If the bottom of the ladder slides away from the wall at a rate of 0.6 ft/s, how fast is the angle between the ladder and the ground changing when the bottom of the ladder is 6 ft from the wall? (That is, find the angle's rate of change when the bottom of the ladder is 6 ft from the wall.)

1) Set up an equation to model the situation.

cos(Ф) = x/10

2) Take the derivative/gradient in terms of time (t) to find the related rates.

d[cos(Ф)]/dt = d[x/10]/dt

-sin(Ф)*dФ/dt = (1/10)*dx/dt

dФ/dt = -(dx/dt)/(10*sin(Ф))

3) Substitute in the constants for the moment in time

Given: dx/dt = 0.6; x=6 -> Ф = cos-1(6/10) = ~0.93rad

Therefore: dФ/dt = -3/40 rad/sec

cos(Ф) = x/10

2) Take the derivative/gradient in terms of time (t) to find the related rates.

d[cos(Ф)]/dt = d[x/10]/dt

-sin(Ф)*dФ/dt = (1/10)*dx/dt

dФ/dt = -(dx/dt)/(10*sin(Ф))

3) Substitute in the constants for the moment in time

Given: dx/dt = 0.6; x=6 -> Ф = cos-1(6/10) = ~0.93rad

Therefore: dФ/dt = -3/40 rad/sec

### Find the perimeter of the polygon. 14 ft, 15 ft, 7 ft, and 11 ft.

Add the numbers together, and you'll get the answer.

### Cameras R Us buys cameras at wholesale and sells them at a 40% markup. Use the diagram to find the wholesale price of a camera the store sells for $77.

**Answer:$55**

**Step-by-step explanation:**

### Twice the difference of five and n is the same as two subtracted from negative one times n

2(5-n)=-2+(-1*n)

2(5-n)=-n-2

distribute

10-2n=-n-2

add 2n to both sides

10=n-2

add 2 to both sides

12=n

2(5-n)=-n-2

distribute

10-2n=-n-2

add 2n to both sides

10=n-2

add 2 to both sides

12=n

### Find the value of the underlined digit 380,671 with the 3 underlined

The value of the three is 300,000

### The sum of two consecutive integers is -67 . find the integers

I hope this helps you
n+n+1=-67
2n=-67-1
2n=-68
n=-34
n+1=-34+1=-33

### Twice the sum of a number and negative two is sixteen. find the number

N is the number

2(n-2)=16

divide both sides by 2

n-2=8

add 2 to both sides

n=10

the number is 10

2(n-2)=16

divide both sides by 2

n-2=8

add 2 to both sides

n=10

the number is 10