A mechanic charges $60 to inspect your heater, plus $70 per hour to work on it. You owe the mechanic a total of $410. Write and solve an equation to find the amount of time h (in hours) the mechanic works on your heater.

Answers

Answer 1

Answer:

($410 - $60) / $70 = 5

After subtracting the $60 base fee, you can just divide the hours paid for by the hourly wage and find out how many hours were worked. Hope this helps!


Related Questions

Help me with this I’ll mark you brainliest

Answers

Answer:

The answer is B

Step-by-step explanation:

The school zone in front of your school has a posted speed limit of 25mi/h which is about 11 m/s. Let’s examine the stopping of car is several different situations. The crossing guard holds up her stop sign, and the driver is paying attention as well. The car moves at a constant velocity of 11 m/s for 2.3 second while the driver reacts, then slows down at a constant rate or -4.5 m/s. What is the stopping distance for the car in this situation?

Answers

Answer:

x=13.4

Step-by-step explanation:

x=v_i(t)+1/2(at^2 )

x=11(23)+12(-4.5)(2.3)^2

x=25.3-11.9

x=13.4

The stopping distance for the car in this situation will be x = 13.4 meters.

What is an equation of motion?

Equations of motion are used to describe how a physical system behaves in terms of how its motion changes over time.

The behavior of a physical system is described in more detail by the equations of motion as a collection of mathematical functions expressed in terms of dynamic variables.

Given that the school zone in front of your school has a posted speed limit of 25mi/h which is about 11 m/s. The car moves at a constant velocity of 11 m/s for 2.3 seconds while the driver reacts, then slows down at a constant rate of -4.5 m/s.

The distance will be calculated as below:-

x=v(t)+1/2(at² )

x=11(23)+12(-4.5)(2.3)²

x=25.3-11.9

x=13.4 meters

Therefore, the stopping distance for the car in this situation will be x = 13.4 meters.

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fred pays 6% of his monthly salary for social security. how much does he pay each month for social security?

Answers

Why is Fred only paying 6%? What are you going to do about the rest Fred?!?!

Answer:

129

Step-by-step explanation:

2150

x.06

=129

What is the area of the figure?

Answers

Answer:

a.  58 in²

Step-by-step explanation:

dived the figure into 3 areas (see attached image)

1. area of a triangle = 1/2 b h   where b=6 , h=3

A1 = 1/2 (6) 3 = 9

2. area of  trapezoid = a + b * (h/2)  here a = 4, b = 6, h = 5

A2 = (4 + 6 ) * 5/2  =  25

3. area of a triangle = 1/2 b h   where b=8 , h=6

A3 = 1/2 (8) 6  =  24

total  area = 9 + 25 + 24

                 = 58 in²

Write an equation of the line that passes through the point P(0,0) and is perpendicular to the line y=-5x+3

Answers

Answer:

[tex]y=\frac{1}{5}x[/tex]

Step-by-step explanation:

We want to write an equation of a line that passes through the point P(0, 0) and is perpendicular to the line y=-5x+3.

First, let's figure out the slope of our new line. Remember that slopes of perpendicular lines are negative reciprocals of each other.

So, to find our new slope, we need to flip our old slope and multiply by -1. So, our new slope is:

[tex]-5[/tex]

Flip:

[tex]-\frac{1}{5}[/tex]

Multiply by a negative:

[tex]=\frac{1}{5}[/tex]

So, the slope of our new line is 1/5.

To find our equation, we can use the slope-intercept form:

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

Where m is the slope and b is the y-intercept.

As previously determined, our slope is 1/5.

Note that (0, 0) is our y-intercept (and also our x-intercept). So, substitute 0 for b. Therefore, our new equation is:

[tex]y=\frac{1}{5}x+0[/tex]

Simplify:

[tex]y=\frac{1}{5}x[/tex]

And we're done!

Which could be used to evaluate the expression
O (-6)(4)+(-6) ()
O (-6)(4)x(+6)
O (+6+4)(8+3)
O (+8+4)(-0,3

Answers

The more useful could be option 3

work out the area of a circle with the diameter of 14cm

Answers

Answer:

153.94

Step-by-step explanation:

Given the function below, if h(x)=−4, find x. h(x)=−6x+20

Answers

Answer:

x=4

Step-by-step explanation:

-4=-6x+20

-20      -20

-24=-6x

x=4

50 divided by 2 + 5 multiplied by 10 divided by 2 + 7

Answers

Answer:

62

Step-by-step explanation:

Step 1:

50 ÷ 2 + 5 × 10 ÷ 2 + 7  Equation

Step 2:

25 + 5 + 50 ÷ 2 + 7   Divide 50 by 2 and Multiply 10 by 5

Step 3:

25 + 5 + 25 + 7   Divide 50 by 2

Step 4:

30 + 25 + 7  Add

Step 5:

55 + 7 Add

Answer:

62

Hope This Helps :)

evaluate 16^1/2 x 2^-3
Give your answer as a fraction in its simplest form.

Answers

Your answer would be 1/2

The evaluation of the given term in fraction is [tex]1/2[/tex]

Multiplication can be regarded as an elementary mathematical operations involving arithmetic, It involves finding the products of two or more number whether in fraction or in whole number.

Given:

[tex]16^1/2 * 2^{-3}[/tex]

this can be written simply as

[tex]\sqrt{16} *1/2^3[/tex]

= 4*1/8

Then if we simplify further by dividing both the numerator and denominator by factor of 4, we have

[tex]=1/2[/tex]

Therefore, the product of the terms expressed in fraction is  [tex]\frac{1}{2}[/tex]

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please helpppp please I’ll give 20 points please it’s my last work page for the week pleaseeeee

Answers

Answer:

its the way it goes from minus 4

I can only do one rn but you use the Pythagorean’s theorem and the first one is 100 I believe

1. What is the value of x in the equation 4x – 2(x + 3) = 8? (LT 1a)
a. x = 1 b. x = 2.5
C. X = 3.5
d. x = 7

Answers

Answer:

D

Step-by-step explanation:

4x - 2(x + 3) = 8

Use distributive property

4x -2x - 6 = 8

2x - 6 = 8

2x = 8 + 6

2x = 14

x = 14 ÷ 2

x = 7

simplify.

6x+4y-4x+5y+5

Answers

Answer:

2x + 9y + 5

Step-by-step explanation:

Combine like terms:

(6x - 4x) + (4y + 5y) + 5

2x + 9y + 5

Answer:

2, 9, 5

Step-by-step explanation:

These are the numbers to plug into this equation.

SOLVE THIS FAST THE FIRST ONE WILL BE MARKED THE BRAINLIEST PLEASE ANSWER!!!!!!!

Answers

Answer:

the answer is A. your welcome

The weights of Sarus crane chicks and hooded crane chicks H (both in grams) during the 10 days following hatching can be modeled by the functions S = –0.122t3 + 3.49t2 – 14.6t + 136 H = –0.115t3 + 3.71t2 – 20.6t + 124 where t is the number of days after hatching. According to the models, what is the difference in weight between 5-day-old Sarus crane chicks and hooded crane chicks? Round your answer to the nearest thousandth, if necessary.

Answers

Answer:

35.875 grams

Step-by-step explanation:

Given

Functions:

S(t) = –0.122t³ + 3.49t² – 14.6t + 136 H(t) = –0.115t³ + 3.71t² – 20.6t + 124  

Finding the difference between S(5) and H(5)

S(5) - H(5) = –0.122t³ + 3.49t² – 14.6t + 136  - (–0.115t³ + 3.71t² – 20.6t + 124) =(-0.122 + 0.115)*5³ + (3.49 -3.7)*5² - (14.6 -20.6)*5 + 136 - 124 = 35.875

Answer is 35.875 grams

Find the x- and y- intercepts of each line: 4y=10x-24

Answers

Answer:

[tex]x = \frac{12}{5}[/tex] or the x-intercept coordinates, [tex](\frac{12}{5},0)\\[/tex].

[tex]y = -6[/tex] or the y-intercept coordinates, [tex](0,-4)[/tex].

Solution:

Simplifying the equation into standard form:

[tex]4y = 10x - 24 \\ 4y - 10x = - 24[/tex]

Finding the x-intercept by evaluating (x,0):

[tex]4(0) - 10x = - 24 \\ - 10x = - 24 \\ x = \frac{ - 24}{ - 10} \\ x = \frac{12}{5} [/tex]

Finding the y-intercept by evaluating (0,y):

[tex]4y - 10(0) = - 24 \\ 4y = - 24 \\ y = \frac{ - 24}{4} \\ y = - 6[/tex]

i love how this website was created for people to get help with work and ask questions about it but instead people ask stupid questions or the question directly from their work. (haha just like this one)

Answers

Answer:

mk,  eee

Step-by-step explanation:

Katha walks 5 blocks east. Then she walks straight back to where she started and walks 5 blocks west.
Graph 5 on the number line to present how far Katha walked east. Then graph Katha location after she walks west. Click the number line to indenifty the location of the points

Answers

Answer:

5 is the point on the number line how far she walked east

0 is the point on the number line where she began walking

-5 is the point on the number line how far she walked west

Step-by-step explanation:

The Number line will be 5( to show east), 0( began) and -5 (to show west).

What are Integers?

Integers come in three types:

Zero (0)Positive Integers (Natural numbers)Negative Integers (Additive inverse of Natural Numbers)

Given:

Katha walks 5 blocks east.

Then she walks straight back to where she started and walks 5 blocks west.

So, 5 is the point on the number line how far she walked east

and, 0 is the point on the number line where she began walking

and, -5 is the point on the number line how far she walked west.

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Find the sum:
20°15' 18"
30° 41' 32"
+2 30' 15"
________​

Answers

Answer:

52° 86' 65"

Step-by-step explanation:

20° + 30° + 2° = 52°

15' + 41' + 30' = 86'

18" + 32" + 15" = 65"

In a geometric system, which would best describe how postulates differ from
theorems?
F.
Postulates do not require a proof and are presumed true, while theorems are
statements requiring proof.
Postulates are statements that require proof, while theorems cannot be proven.
Both postulates and theorems do not require proof and are assumed to be true.
There is no difference between postulates and theorems.
H.

Answers

Answer:

Postulates are statements that require proof, while theorems cannot be proven.

Step-by-step explanation:

In a Geometric System, describe how postulates differ from theorems. Postulates are statements that require proof, while theorems cannot be proven.

Given the parent function , which of the following is true about this graph? The parent function was translated. The parent function was reflected. The parent function was dilated. The parent function was restricted.

Answers

Answer- The parent function was reflected & The parent function was dilated

For the given graph the parent function was reflected and the parent function was dilated.

What is parent function?

A parent function in mathematics is the simplest function in a family of functions that keeps the definition of the entire family.

For the given graph the parent function was reflected and the parent function was dilated.

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x^3 - 5x^2 - x + 5 ​

Answers

Answer:

(x+1)(x-1)(x-5)

The roots are 1, -1, 5

Step-by-step explanation:

x³-5x²-x+5

(x³-5x²) - (x-5)

x²(x-5) - (x-5)

(x²-1)(x-5)

(x+1)(x-1)(x-5)

The roots are 1, -1, 5

Solve for x.
-15x + 60 ≤ 105 AND 14x + 11 ≤ -31

Answers

Answer:

x ≥ -3x ≥ -3

Step-by-step explanation:

-15x + 60 ≤ 105

-15x ≤ 45

x ≥ -3

14x + 11 ≤ -31

14x ≤ -42

x ≥ -3

Best of Luck!

Answer:

x=-3

Step-by-step explanation:

I just took it

Use elimination to solve the following system.
x+y= 10
3x + 3y = 30
A. (0, 10)
B. (10,0)
C. no solution
D. infinitely many solutions
Hurry !

Answers

Answer:

A  (0, 10)

Step-by-step explanation:

Answer:

D its

Step-by-step explanation:

Since x+y = 10-----(1)

And 3x+3y = 30----(2)

We can see from (2) that 3(x+y) =30;

Also same as saying x+y = 30/3 which is equivalent to x+y = 10.

So in this case we have many possible values

x = 0, y = 10 and vice versa

x = 1, y = 9 and vice versa

x = 2, y = 8 and so on

So the question has a lot of solutions


What is k(-4)?

K(t)=13t-2

Answers

Answer:

-54

Step-by-step explanation:

plug (-4) in for t and solve for k(t)

How to find the LCM of two numbers?

Answers

Answer:

Least common multiple

Step-by-step explanation:

Just try and see which number is divisible by both values

ex: What is the LCM of 10 and 12

Your answer would be 2 because thats the lowest number it is divisble by.  

-(1+7x) - 6(-7 - x) = 26

Answers

Answer:

-(1+7x)-6(-7-x)=26

-1-7x+42+6x=26

-x+41=26

-x=26-41

-x=-15

x=15

hope it helps you!

Answer:

x=15

Step-by-step explanation:

-1 - 7x + 42 + 6x = 26

41 -7x + 6x = 26

41 - x =26

-x = 26 - 41

-x = -15

x = 15

Simplify by combining like terms, make sure answer is in standard form
a²+a+a²

Answers

A^2+A

the a^2 is the same across the board. You are not adding the exponents because you aren’t multiplying them.
A^2+8!!!!!!!!!!!!!!!

John Muir was an American naturalist born in Scotland on April 21, 1838. As one of the first advocates of the United States' wilderness preservation, Muir spent his career writing letters, essays and books about many of his experiences in the Sierra Nevada mountains, located in northern California. Muir's influence on the history of American wilderness continues to live on past his death (in the early twentieth century) as people of all ages visit and hike through the 221 miles of the John Muir Trail, named in Muir's honor. The trail begins in Yosemite National Park and concludes at Mount Whitney, which contains the highest peak of the continental United States. The following table compares Mount Whitney"s height, in meters, to other monumental peaks of the world. Mountain Location Height (in meters) of Highest Peak Mount Whitney California, United States 4,418.38 meters Mount Fuji Fuji-Hakone-Izu National Park, Japan 3,775.86 meters Mount Everest Great Himalayas of southern Asia 8,849.87 meters Mount Kilimanjaro Tanzania, Africa 5,894.83 meters Mount Olympus Mytikas, Greece 2,919.07 meters Use the data in the table to complete Parts A, B, and C. In your final answers, include your work for all estimates and calculations. Part A: Use scientific notation to estimate the following: How many times greater is Mount Everest's highest peak than Mount Olympus's? Part B: Use scientific notation to calculate the following: How many times greater is Mount Everest's highest peak than Mount Olympus's? Part C: Given the calculation in Part B comparing the highest peaks of Mount Everest and Mount Olympus, can you conclude that the estimate in Part A is reasonable? Answer in complete sentences.

Answers

Answer:

5

Step-by-step explanation:

56x678

Answer:

When you visit Yosemite National Park, be sure to identify the peak of Mount Whitney in the distance. It´s the highest peak in the continental United States. The park rangers (who work for the NPS) are helpful. Ranger T.J Smith says: "We are here to help!".

Step-by-step explanation:

Sample Answer

hallar el complemento de los siguientes angulos y utiliza el siguiente simbolo (°) x= 33°​

Answers

Answer:

boop

Step-by-step explanation:

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