A plumber charges $75 for a service call, plus a $40 per hour. If the plumber's bill was $235, then how many hours was he there?

Answers

Answer 1

Answer:

4 hours

Step-by-step explanation:

235-75 one time fee, so subtract = 160

160/40 = 4

Answer 2

Answer:

4 Hours

40x - 75 = 235

         -75    -75

40x  = 160

40x/40 = 160/40

x = 4


Related Questions

.
+ 1687 – 1575 - 287 = 4808

Answers

Answer:

 google

Step-by-step explain

Google is key

find the area of parallelogram .
I need to know how to solve this. can someone please explain it I'm trying to help my son out. this one is tricky it has a fraction.​

Answers

Answer:

894

Step-by-step explanation:

You'll just multiply 37 1/4 x 24... remember that the 32 mi doesn't count because it is not perpendicular to the base, if it's not perpendicular to the base than you will not multiply with it.

I learned this and also got this question!

Good Luck with the test!

Answer:

cvfbb

Step-by-step explanation:

What is the value of 6(82)? Use place value and the distributive property. 6(82) = 6(80 + 2) = ? 432 482 492 552

Answers

Answer:

492

Step-by-step explanation:

6x82

Answer:

the answer is 492 the person above me is correct!!

Step-by-step explanation:

Which of these statements is correct?
A
A solution to the equation x2=4 is x=16.

B
A solution to the equation x2=64 is x=4.

C
A solution to the equation x3=8 is x=24.

D
A solution to the equation x3=125 is x=5.

Answers

my opinion answer c solution to the equation X3 equals to 8 is X = 24

Answer:

D

Step-by-step explanation:

it is correct cause x^3 power is 125 and x is 5

Find the directions in which the function increases and decreases most rapidly at P0. Then find the derivatives of the function in those directions.

Answers

Answer and Step-by-step explanation:

SOLUTION:

Given function:

h (x, y, z) = ln (x2 + y2 – 1) + y +6z,  p0(1, 1, 0)

Derivatives of the function:

∂h / ∂x = (1 / x2 + y2 -1). (2x)

          = 2x / x2 + y2 -1

∂h/∂y = (1 / x2 + y2 – 1) (2y + 1)

          = (2y / x2 + y2 -1) + 1

∂h / ∂z = 6

Now compute the partial derivatives:

∂h (1, 1, 0) / ∂x = 2(1) / 1 +1 -1

                            = 2

∂h(1, 1, 0) / ∂y =( 2(1) / 1 +1 -1) + 1

                           = 3

∂h (1, 1, 0) / ∂z = 6

Δh (1,1,0) = ( 2, 3, 6)

The definition of gradient is:

Δf (x, y, z) = (∂f / ∂x , ∂f / ∂y)

Put the coordinate values to arrive at solution:

Umax = Δh (1,1,0) / | Δh (1,1,0) |

      = (2, 3, 6) / |2, 3, 6|

     = (2, 3, 6) / √(22+33+62)

   = (2, 3, 6) / √49

    = (2, 3, 6) / 7

= (2/7 , 3/7, 6/7)

Umin = - U max = ( -2/7, -3/7, -6/7)

Compute direction by finding unit vector:

Du h max = Δh (1,1,0)  . u max

                 = (2, 3, 6) . (2/7, 3/7, 6/7)

                 = 2(2/7) + 3(3/7) + 6(6/7)

                 = 4/7 +  9/7 +36/ 7

                  = 49 / 7

                  = 7

Du h min = -Du h max

                = -7

P=$4130,r=?,t=155 days, I=$115.58

Answers

Answer:

r = 6.5902%

Step-by-step explanation:

I = Prt

since the time is in days, it needs to be converted to years.

t = 155/365 = 0.424658

115.58 = (4130) r (0.424658)

115.58 = 1753.8045 r

115.58/1753.8054 = r

0.065902 = r

then, converting  r decimal to a percentage

r = 0.065902 x 100 = 6.5902 %

Celia writes the addition problem shown.she says she can tell which sum will be greater without adding.how does she know?

Answers

which is the problem

The sum of 5157 + 519 will be greater because she knows that 519 > 364.

What is summation?

A summation, also abbreviated as a sum, is the outcome of adding two or more numbers or quantities. Here are always an integer number of terms in a summation. There could be only two terms, but there could be one hundred, thousand, or a million. There are summations with an infinite set of parameters.

In another word, the summation is to add or subtract any two or more terms by doing that operation we will get a new result which could be big or small depending upon the number.

Let's say two sum

x + y and x + z

If we want to calculate which is bigger then we need to look to y and z since x is common in both.

If y > z then x + y will be bigger and if z > y then x + z will be bigger.

Given the sum,

8157 + 364 and 8157 + 519

Now since 519 > 364 so (8157 + 519 ) > (8157 + 364)

Hence "The sum of 5157 + 519 will be greater because she knows that 519 > 364".

For more information about summation,

brainly.com/question/10777222

#SPJ6

The given question doesn't have a numeric value, The numeric values are

8157 + 364 and 8157 + 519

Evaluate x^2 y for x = -5 and y = 3.
-75
-15
75

Answers

[tex]x = - 5[/tex]

[tex]y = 3[/tex]

_________________________________

[tex] {x}^{2} \times y = ({ - 5})^{2} \times 3 = 25 \times 3 = 75 \\ [/tex]

Done♥️♥️♥️♥️♥️

find the area of a circle with the following dimension, diameter=20cm

Answers

Answer:

314.16cm²

Step-by-step explanation:

On a certain day, the temperature in Seattle was -1ºC and the temperature in Houston was 18ºC. How many degrees lower was the temperature in Seattle?

Answers

Answer:

19.C

Step-by-step explanation:

You must subtract -1 -18.C then you would get your answer, 19.C

SHOW WORK ILL MARK BRAINLIST !!!!

Answers

Answer:

8x-16

Step-by-step explanation:

2 + 3x-9 + 1 -10 +5x

-16 + 8x so 8x-16 is your answer

Which types of parent function have the end behavior f(x) - infinity as x - infinity

A. a parent even-degree power function
B. a parent odd-degree power function
C. a parent even-degree root function
D. a parent odd-degree root function
E. a parent exponential function with a base greater than 1
F. a parent exponential function with a base between 0 and 1
G. a parent logarithmic function with a base greater than 1
H. a parent logarithmic function with a base between 0 and 1

Answers

Answer:

B. a parent odd-degree power function

and

D. a parent odd-degree root function

The parent function is simply the base function of a function family.

The true statements are:

B. a parent odd-degree power function D. a parent odd-degree root function

The end behavior is given as:

[tex]\mathbf{f(x) \to \infty, x \to \infty}[/tex]

The above means that:

As x approaches infinity, the function also approaches infinity

From the list of given options, the functions with these end behaviors are:

(b) and (d)

Hence, the functions with the end behavior [tex]\mathbf{f(x) \to \infty, x \to \infty}[/tex] are:

A odd-degree power function  and a odd-degree root function

Read more about end behaviors at:

https://brainly.com/question/22723521

can someone please help me

Answers

Answer:

the triangle is 10 the rest are 3

Triangle is 7, diamond is 0, and square is 6

I WILL GIVE BRAINLIEST!!!

Answers

Answer:

it should be C

Step-by-step explanation:

Find g (a + 1 ), if g(x)=5x-3 ​

Answers

Answer:

g(a+1)=5a+2

Step-by-step explanation:

so (a+1) is the value of x

you can write it like this:

x=a+1

using substitution, we can swap out all 'x's for 'a+1's. like so;

g(a+1)=5(a+1)-3  -- given

        =5a+5-3   --  distribute

        =5a+2      --  simplify!

Hope i helped! have a great day! please mark brainliest!!

The first four multiples of 5 are

Answers

Answer:

5, 10, 15 , 20

Step-by-step explanation:

A vending machine operator has determined that the number of candy bars sold per week by a certain machine is a random variable with mean 109 and standard deviation 11. His profit on each bar sold is $0.12, and it costs him $10 per week to maintain the machine and rent the space for it. What are the mean and standard deviation for Y= the profit he earns from this machine in a randomly selected week?​

Answers

Answer:

10

Step-by-step explanation:

You spend $4.50 on 5 pounds of apples. What is the unit rate in dollars per pound?

Answers

Answer:

$0.90/pound

Step-by-step explanation:

4.5$ ÷ 5 pounds = $0.90 / pound

Sara ate 314 of a cup of grapes at breakfast and 213 of a cup of fruit salad a
lunch. Later she ate 314 of a cup of orange slices. Did Sara eat more than 2 cups
of fruit in total? *
yes
no

Answers

Answer:

yes because when you add the fractions together you get 8 5/6

hellllllllllllllllllllllllllllllllllpppppppppppppppppppppppp whats the x

Answers

Easy buddy....

[tex]2 x + 68 = 180[/tex]

Subtract the sides of the equation minus 68

[tex]2x = 180 - 68[/tex]

[tex]2x = 112[/tex]

Divided the sides of the equation by 2

[tex]x = \frac{112}{2} = 56 \\ [/tex]

So ;

[tex]x = 56 \: degreees[/tex]

_________________________________

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

The short answer please

Answers

Answer:

4) 1

5) 13/0, ND

6) -4

7) 5/3

8) 0

9) -1/7

all ans r correct....

pls vote n rate if u found it useful ....

Grayson wrote 1.47 divided by 7 = 2.1.
Why is his thinking incorrect?

Answers

Answer: he needs to put the decimal in front of the 2 so it can be 0.21

Step-by-step explanation:

Answer:

he has to put the decimal point in front of the 2

hope this helps

Plot the image of point A under a dilation about point P with a scale factor of 3.

Answers

Answer:

THere is no image do da

Step-by-step explanation:

9/5 ÷ 2/5 Show your work.

Answers

Answer:

9.4

Step-by-step explanation:

9/5 / 2/5=9.4

1 4/5 / 2/5 = 9.4

Answer: 9/2

Step-by-step explanation:

9/5 divided by 2/5  

you keep 9/5 you change the divide sing into a  times then you flip 2/5 to 5/2 then you times them and cross cancel.

Help quick ........ ...

Answers

It would be 1/5 because you subtract the 3/4x to both sides making your equation 1/4 =5/4x. Finally, multiply by the reciprocal of 5/4, which is 4/5, to both sides, making x=1/5

Answer:

X= 1/5

Step-by-step explanation:

One of the main purposes of physical geography is to:
A. compare and contrast cultures from different regions,
B. identify patterns in the ways religions spread around the world.
C. allow governments to plan for future population growth.
D. help people understand how nature affects their communities,

Answers

Answer:

Hi! I did this exact question on A P E X and got it right! The answer to your question is D. Help people understand how nature affects their communities!

Step-by-step explanation:

I hope this helps and I hope you guys have a great day! :3

Proof:

Solve |4x|+6=22 nester any fractions as decimals rounded to the nearest hundredths

Answers



According to all known laws
of aviation,


there is no way a bee
should be able to fly.


Its wings are too small to get
its fat little body off the ground.


The bee, of course, flies anyway


because bees don't care
what humans think is impossible.


Yellow, black. Yellow, black.
Yellow, black. Yellow, black.


Ooh, black and yellow!
Let's shake it up a little.
heres what i did! :))

10xy12
Which expression is equivalent to
-5x2, 6 ? Assume
-50x8,18
-2x8,18
-2x12,72
5x8,18

Answers

Answer:

Option B.)

[tex] - {2x}^{8} {y}^{18} [/tex]

The equivalent expression of 2(x² – 1) + 3x(x – 4) is 5x² - 12x - 2

Here, we have,

We know that,

The equivalent expression of the expression can be found as follows;

2(x² – 1) + 3x(x – 4)

open the brackets

2x² - 2 + 3x² - 12x

Therefore, let's combine like terms

2x² + 3x² - 12x - 2

Let's do the arithmetic for like terms

2x² + 3x² - 12x - 2

5x² - 12x - 2

Therefore, the equivalent expression of  2(x² – 1) + 3x(x – 4) is

5x² - 12x - 2.

learn more on expression here:

brainly.com/question/15319964

#SPJ7

Find the equivalent number

Answers

Answer:

2

Step-by-step explanation:

you make 3⁴ into 12 and 3² into 6 which makes it 12/6 & 6 times 2 is 12 so it would be 2

audrianna gives a walking tour of a popular tourist city to one person for To increase her​ business, she would lower the price by​ $2 per person for each additional person. Write the cost per person c as a function of the number of people n on the tour. How much does she make for a tour with ​people?

Answers

https://brainly.com/question/13415074
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