An electrician charges $53 per hour and his apprentice charges $22 per hour. On a job wiring a house the electrician worked four hours more than the apprentice. Together they earned a total of $624.50 for the job. How much did the election earn for the rewiring?

Answer: 2/3

Step-by-step explanation:

Slope = rise/run

Up 2 and to the right 3

Answer:

- 1 17/36

Step-by-step explanation:

Step 1:

n - 9/4 = 2n - 7/9       Equation

Step 2:

- 9/4 = n - 7/9     Subtract n on both sides

Step 3:

- 81/36 = n - 28/36     Find common denominator

Step 4:

- 53/36 = n       Add 28/36 on both sides

Answer:

n = - 1 17/36     Convert

Hope This Helps :)

Answer:

n= -53/36

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

n+ −9/4 = 2n+ −7/9

Step 2: Subtract 2n from both sides.

n+ -9/4 −2n=2n+ −7/9−2n−n+ −9/4 = −7/9

Step 3: Add 9/4 to both sides.

−n+ −9/4+9/4=−7/9+9/4   −n=53/36

Step 4: Divide both sides by -1.

−n/-1=53/36/−1n=−53/36

Answer:

15

Step-by-step explanation:

9^2+12^2=225

square root of 225 is 15

Answer:

It would take 10 downloads

Step-by-step explanation:

Answer:

32 for Dominic and 5 for Savannah

Step-by-step explanation:

You can figure this out by first determining how many downloads Dominic has to make in order to have the total price equal to what Savannah paid just to join the club.

So Savannah paid $100 to join.  Dominic only paid $25.  So Dominic can spend $75 for downloads before he even gets up to what Savannah paid.  Now you can figure out that it will take 30 downloads at $2.50 each to get to that $75.  

You could say that Dominic is now equal to Savannah with both spending $100.  Dominic would have made 30 downloads and Savannah would have 0.  But I believe they want you to go a step further.

So now you just need to look at how many more downloads Dominic would have to make to get to an even full dollar amount.  One more download would take him up to $102.50.  A second additional download would take him to $105.  Savannah would then only have 5 downloads for a total cost of $105 and Dominic would now have a total of 32 downloads for a total of $105.

Answer:

A rational expression is a ratio of two polynomials. The domain of a rational expression is all real numbers except those that make the denominator equal to zero.

Step-by-step explanation:

Answer:

2=4x+5 I am not 100% sure about this though.

Answer:

x= -b ±√b²- 4ac/2a

Step-by-step explanation:

ax2 + bx + c = 0

Dividing the quadratic equation by a gives

x2 + b/ax + c/a = 0

x2 + b/ax = - c/a

Applying the square formula

(x)^2 + 2(x) (b/2a) + (b/2a)^2= + (b/2a)^2- c/a

(x+b/2a)^2= b²/4a² - c/a

(x+b/2a)^2= b²/4a² - 4ac/4a²

(x+b/2a)^2= b²- 4ac/4a²

Taking square root of both sides gives

(x+b/2a)= ±√b²- 4ac/2a

x= -b/2a±√b²- 4ac/2a

x= -b ±√b²- 4ac/2a

This is called the quadratic formula and it can solve the value for x for the given value of a, b and c for the quadratic equation.

From this it is concluded that

Discriminant = b2 - 4ac > 0 means there will be two distinct real roots. Discriminant = b2 - 4ac = 0 means there will be only one real root. Discriminant = b2 - 4ac < 0 means there will be no real roots.

This is because a square root of a value greater than 0 is possible and gives two values for roots of x.

The square root of a value less than 0 gives a negative number and therefore the roots are an imaginary number.

The square root of a value greater equal to 0 gives a zero leaving behind only one real root.

Answer:

The top right

Step-by-step explanation:

In the top right table, every x value has only one y value.

Answer:10587

Step-by-step explanation: better than original answer

8 inches on the map. To approach this problem, just set up a proportion:

2in =10 mi x in =40 mi.

If we use that to set up an equation we get

80 =10x.

Solve that, you get 8.

Hope this helps, let me know if you need more help.

Answer:

x=2

Step-by-step explanation:

subtract 7/9x -4/9x

3/9x= 1/4 +5/12

first change 1/4 to 3/12

then add 3/12 + 5/12

3/9x = 8/12

change 3/9x to 1/3x then to 4/12x

4/12x = 8/12

then mulitiply by the reciprical 12/4 on both sides

x = 2

Answer:

10.4443

I hope this helps :D have a good day!

Answer:

5p + 42

Step-by-step explanation:

Step 1: Write expression

6(p + 6) - (p - 6)

Step 2: Distribute

6p + 36 - p + 6

Step 3: Combine like terms

5p + 42

Answer:

Let x=the smaller integer.

Let x+1+ the larger integer.

x+(x+1)=173

(x+x)+1=173

2x+1=173

2x+1-1=173-1 (substract 1 from both sides)

2x=172 (divide 2 to both sides)

2x/2=172/2

x=86

x+1=87

Step-by-step explanation:

Answer: XY= 20

Step-by-step explanation:

i took the test and got it correct

30 - 10 = 20

Answer:

x-4 = 7 , x-4 = -7

Step-by-step explanation:

IX - 4l+ 1 = 8

Subtract 1 from each side

IX - 4l = 8-1

IX - 4l = 7

Then separate into two equations, one positive and one negative

x-4 = 7      x-4 = -7

Answer:

About 24.75 minutes or 24 3/4 minutes

Step-by-step explanation:

I think is 182.205,182.105,182.0.25,182.05

Answer:

Yes they are parallel

Step-by-step explanation:

They have the same slope.

Answer:

The length of the window is 18 ft and its height is 14 ft

Step-by-step explanation:

System of Equations

Let's call:

L: Length of the window in feet

W: Width of the window in feet

According to the first condition of the problem:

[tex]L = W + 4\qquad\qquad [1][/tex]

The perimeter of the rectangle is 64 feet. The perimeter is calculated as:

P = 2L + 2W =64

Dividing by 2:

[tex]L + W = 32\qquad\qquad [2][/tex]

The system of equations [1] and [2] can be used to find the dimension of the window.

Substituting from [1]

W + 4 + W = 32

Simplifying:

2W = 32 - 4 =28

Solving:

W = 28/2 = 14

Using [1]:

L = 14 + 4 = 18

The length of the window is 18 ft and its height is 14 ft

Answer:

C is the answer

Step-by-step explanation:

Its hard to explain, but i'm 100% sure.

Answer:

All of them

Step-by-step explanation:

if you look closely at the shame and decipher each option they all come into form for that shape.

Hope Hopes^^

Barry

Answer:

dilation is the answer

x = 120

Too long to exaplin.

Just trust me

Answer:

Below in bold

Step-by-step explanation:

-3(8x - 2) = 9 - 21x

~Divide -3 to everything

8x - 2 = -3 + 7x

~Add 3 to both sides

8x + 1 = 7x

~Subtract 8x to both sides

1 = -x

~Divide -1 to both sides

-1 = x

Note that this isn't the most used way to solve equations because you would typically use distribution to simplify the left side.

Best of Luck!

Below in bold

Step-by-step explanation:

-3(8x - 2) = 9 - 21x

~Divide -3 to everything

8x - 2 = -3 + 7x

~Add 3 to both sides

8x + 1 = 7x

~Subtract 8x to both sides

1 = -x

~Divide -1 to both sides

-1 = x

Note that this isn't the most used way to solve equations because you would typically use distribution to simplify the left side.

Best of Luck!

I really hope this helps ☺️

Answer:

i  need free points, thank you

Step-by-step explanation:

Step-by-step explanation:

y varies x

y=kx

when y=5;x=6

5=6k

5/6=k

Now, when y=?;x=5

y=5\6(5)

y=25\6

y=4.17

Answer:

a) = 27

b) = 5