A plumber charges $50 for a house call plus $40 for each hour worked. Let h represent the number of hours worked. Write an expression that shows how much the plumber charges for a job lasting h hours. Then find how much the plumber charge for a job lasting 3 hours.

Answers

Answer 1

Answer:

x = 50 + 40h

Step-by-step explanation:


Related Questions

Which facts could be applied to simplify this expression? Check all that apply.

5 x + 3 y + (negative x) + 6 z

Answers

Answer:

The answer is B, C, and D. Like terms are terms with all the same variable, so 5x and -x are like terms.

C is correct. If we add -x to 5x, we get 4x. The other numbers remain unchanged because they have no like terms.

D is correct. Applying the rule of like terms, which is that like terms are numbers with the same variable, only add together numbers with the same variable.

Which r-value suggests a weak positive correlation? A. r = 0.17454 B. r = −0.17454 C. r = 0.98264 D. r = −0.98264

Answers

Answer:

A.) r = 0.17454

Step-by-step explanation:

Got it right on my text

Answer:

A.) r = 0.17454

i need this fast yal. i am willing to give brainly

Answers

Answer:

The answer is

y = 6x + 43

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation of the parallel line we must first find the slope of the original line

The original line is y = 6x + 1

Comparing with the general equation above

Slope = 6

Since the lines are parallel their slope are also the same

Slope of parallel line = 6

The equation of the line using point (-7,1) and slope 6 is

We have the final answer as

y = 6x + 43

Step-by-step explanation:

srry if this is wring, its what i got also pls give brainliest, im trying to get to vituoso :3

Plz help asap I need this for my test student wrote and simplified an expression for the perimeter of the rectangle. (Using the picture provided.)

perimeter.

Explain the mistake that was made in the simplified expression. Include the correct simplified expression in your explanation. Be sure to use math vocabulary words.

Answers

Answer:

How many times did you ask this lol

Step-by-step explanation:

4 3/7 + 6 1/5 = ?
Please EXPLAIN!!!
I'm too lazy and when I lazy I not so smart ;)

Answers

Answer:

Welp here is the answer to your question, 372/35 in exact form. in mixed number form it is 10 22/35


4. Emilio asks his classmates what month they were born. He finds that 15
out of 125 classmates were born in July. If there are 1,280 students in
Emilio's school, how many students can he expect to have birthdays in July
based on the experimental probability?
Ok

Answers

Answer:153

Step-by-step explanation:

From the question, we are informed that Emilio asks his classmates what month they were born and that he finds that 15 out of 125 classmates were born in July. This gives us a fraction of 15/125 = 3/25.

If there are 1,280 students in Emilio's school, the number of students that he can expect to have birthdays in July would be:

= 3/25 × 1280

= 153.6

There will be 153 students expected

— 2х + Зу = 6
solve for y

Answers

Answer:

y = 2/3x+3

Step-by-step explanation:

-2x+3y=6

you add 2x to the other side 3y=2x+6

and divide by 3

y = 2/3x+2

Y=6
hope this helps good luck

what is the 8th term of the geometric sequence 8,16,32

Answers

the 8th term of the geometric sequence 8, 16, 32 is 1024

Explanation

we know that

geometric sequence 8, 16, 32

the question is

the 8th term

the answer is

first we have to find the ratio

[tex] \sf r= \frac{ U_2}{U_1} \\ \sf r= \frac{ 16}{8} \\ \sf r = 2 [/tex]

than, we have to find the 8th term

[tex] \sf U_n = ar^{n-1} \\ \sf U_8 = 8 \times 2^{8-1} \\ \sf U_8 = 8 \times 2^7 \\ \sf U_8 = 8 \times 128 \\ \bold {\sf U_8 = 1024} [/tex]

Learn more

About geometric pattern

https://brainly.com/question/16762536

Answer details

grade: 7th

subject: mathematics

chapter: sequence

keywords: geometric sequence

Solve.
3x = 9x^2– 10

Answers

Answer:

im pretty sure it's D

Step-by-step explanation:

it d because 3x=9x^2-10

one number is six more than five times another. Their sum is six. find the numbers.

Answers

One number is 0, the other is 6.

it took 3/4 of a minute to fill a barrel 1/6 full of water if the water continues at the same rate, how long, in minutes will it take to fill one barrel answer asap ! i have to finish this today !!!

Answers

Answer:

We conclude that it would take 4.5 minutes to fill the full barrel.

Step-by-step explanation:

It is stated that it took 3/4 of a minute to fill a barrel 1/6 full of water.

It means if it took 0.75 minutes to fill the 1 part out of 6 parts.

It is conditioned that the water continues at the same rate.

so

Total parts of a barrel = 6

It takes 0.75 minutes to fill the 1 part of a barrel

Thus, multiply 0.75 by 6 will determine the total time in minutes to fill all the 6 parts of a barrel (or a full barrel).

i.e.

0.75 × 6 = 4.5 minutes.

Therefore, we conclude that it would take 4.5 minutes to fill the full barrel.

What are the answers to the following?
Convert the following to decimals: Round to the nearest thousandth place.
1) 90% 2) 30%
3) 115.9% 4) 9%
5) 7%

Convert the following to percent: Round to the nearest tenth of the percent.
6) 0.452 7) 0.006
8) 0.002 9) 0.05
10) 4.78

Answers

Answer:

1) .90 2) .30 3) .116 4).9 5).7

6)50% 7) 0.6% 8)0.2% 9) 10% 10)480%

Step-by-step explanation:

I don’t think I have to be here at the

If
y
=

3
x
+
5
,
what is y when
x
=
2
3
?

Answers

Answer:

-64

Step-by-step explanation:

y = -3 (23) + 5

y = -69 + 5

y = -64

259 Students go on a field trip. There are 19 vehicles, some vans and some buses.

7 students can fit in a van, and 25 students can fit in a bus.
how many buses were there?
how many vans were there?

Answers

7 buses, 12 vans

Explanation:
12 vans, 7 Buses
7 x 25 = 175
12 x 7 = 84

175 + 84 = 259

Please help I don’t understand

Answers

Answer:

[tex]y=-3\sqrt{x} +8[/tex]

Step-by-step explanation:

The question is asking you to write a function from the original function ([tex]\sqrt{x}[/tex]) w/ the given conditions.

It wants you to make a function that reflects over the x-axis; should be mirrored with the original function.

y=-[tex]\sqrt{x}[/tex] does just that.

Then it wants a horizontal stretch by 3.

[tex]y=-3\sqrt{x}[/tex]

Then move that graph up by 8 units.

[tex]y=-3\sqrt{x} +8[/tex]

Please know the transformation rules for functions to understand what you are doing better.

PLEASE HELP! Which graph has an absolute max at x=2

Answers

Answer:

C)

Step-by-step explanation:

The highest point on the graph for c) is in the first quadrant (where x=2 would be).

If you had an equation, you would be able to find critical points on the function by setting the numerator and denominator equal of f'(x)=0 and solve. You'd have to evaluate f(x) at these critical points and end points to figure that out. This is, if you're in calculus and you would ever need assistance otherwise!

Every year Chana uses her income from her job to pay for 80% of her college tuition. Next year Chana will need to contribute $2,000 toward her tuition. Next year the tuition will be $600 more than this year's tuition. How much is this year's tuition?

Answers

Answer:

$1400

Step-by-step explanation:

Given that:

80% of the college tuition was paid from the income of Chana.

Next year, Amount to be contributed toward the tuition = $2000

Next year, the tuition will be $600 more than this year's tuition.

To find:

Amount of this year's tuition = ?

Solution:

Let the amount of this year's tuition = $[tex]x[/tex]

As per the question statement, next year's tuition will be $2000 which is $600 more than this year's tuition fee.

Writing the equation:

[tex]x+\$600 = \$2000\\\Rightarrow \bold{x = \$1400}[/tex]

This year's tuition fee is $1400.

On Friday, Jason decided to pass out bags of candy to children in his class. He put 40 pieces of candy into 5 bags. Each bag had the same amount of candy. If Jason only gave away 3 bags of candy, how many pieces of candy did he give away?

Answers

Answer:

24 candies

Step-by-step explanation:

cuz yeah

Answer:

8 (i think)

Step-by-step explanation:

How many of you dislike the scent "Into The Night" by Bath & Body Works?​

Answers

Answer:

I don't even know what that is srry tho.

Step-by-step explanation:

Answer:

BLECH!!! i do NOT LIKE IT!!! its quite gross and l love the packaging so its really sad i dont  like the smell :(

Have a great day!!!!

y - 4 × x - 6 is? ​

Answers

Answer:

y-4x-6

Step-by-step explanation:

I'm not 100% sure but I think this is correct!

Answer:

y - 4x - 6

Step-by-step explanation:

y - 4 • x - 6 = y - 4x - 6

solve 12.8 = m - 8.3 plssssssssssss i need it

Answers

Answer:

x=21.1

Step-by-step explanation:

12.8=m -8.3

12.8+8.3=m

21.1=x

x=21.1

Answer:

your answer would be 21.1

Step-by-step explanation:

so first you would have to 8.3 to 12.8 which would give you 21.1 then divide it by m but m is one so it would be just 21.1

2.
Determine if the function is Odd Even Neither.
[6]
f(x) = -3x4 + 2x3 – 5x2 + x

Answers

Answer:

neither

Step-by-step explanation:

• If f(x) = f(- x) then f(x) is even

• If f(- x) = - f(x) then f(x) is odd

Given

f(x) = - 3[tex]x^{4}[/tex] + 2x³ - 5x² + x , then

f(- x) = - 3[tex](-x)^{4}[/tex] + 2(- x)³ - 5(- x)² + (- x) = - 3[tex]x^{4}[/tex] - 2x³ - 5x² - x

Since f(x) ≠ f(- x) then f(x) is not Even

- f(x) = - (- 3[tex]x^{4}[/tex] + 2x³ - 5x² + x) = 3[tex]x^{4}[/tex] - 2x³ + 5x² - x

Since f(- x) ≠ - f(x) then f(x) is not Odd

Thus f(x) is neither even nor odd

2x – 3y = 17
–3x + y = –1
solve by elimination

Answers

Answer:

(-2,-7)

alternatively

x: -2

y: -7

If A. Acute
B. Obtuse
C. Right
D. Straight

Answers

Answer:

This question does not make sense. Is their an image that needs to be included?

Step-by-step explanation:

Answer:

Angle EAT is acute

Step-by-step explanation:

Which statements are true regarding the sides and angles of the triangle? Select three options. Line segment X Y is the longest side. Angle X is the largest angle. Angle Z is greater than angle Y. Line segment X Z is opposite the largest angle. Line segment X Z is the shortest side.

Answers

Answer:

B. Angle X is the largest angle.

C. Angle Z is greater than angle Y.

E. Line segment X Z is the shortest side.

Step-by-step explanation:

YZ = 2n, XZ = n - 2, XY = n + 4 and n ≥ 5.

YZ - XZ = 2n - (n - 2) = n + 2. but n ≥ 5, hence YZ - XZ = n + 2 ≥ 7.

YZ > XZ

YZ - XY = 2n - (n + 4) = n - 4. but n ≥ 5, hence YZ - XY = n - 4 ≥ 1

YZ > XY

XY - XZ = n + 4 - (n - 2) = 6: XY > XZ

Therefore:

YZ > XY > XZ

The angles are proportional to their opposite sides, hence:

∠X > ∠Z > ∠Y

A. Line segment XY is the longest side.

This is wrong because YZ is the longest side.

B. Angle X is the largest angle.

This is correct. ∠X is the largest angle because it is opposite to the longest side (YZ)

C. Angle Z is greater than angle Y.

This is correct. ∠Z is opposite to the side XY while ∠Y is opposite to the side XZ

D. Line segment XZ is opposite the largest angle.

This is wrong. ∠X is the largest angle which is opposite to the longest side (YZ)

E. Line segment X Z is the shortest side.

This is correct

Answer:

bce

Step-by-step explanation:

Ramiro se dedica a circular terrenos se le presenta un trabajo se circular un terreno cuadrado con una superficie de 470 metro cuadrados y le piden que lo circulen con 4 hilos de alambre de puas sobre postes. ¿cuantos metros lineales con alambre de puas nesecita?

Answers

Answer:

346.88 meters

Step-by-step explanation:

Given that the area of the square-shaped terrain is 470 square meters.

Let a be the side of the terrain, so

Area of the square-shaped terrain, [tex]a^2=470[/tex] square meters.

Therefore, the length of one side, [tex]a=\sqrt {470}=21.68[/tex] meters.

The length of single thread wire required in circulating the square-shaped terrain = the perimeter of the square-shaped terrain

As the perimeter of a square having side a = 4a

So, the length of single thread wire required in circulating the square-shaped terrain= 4 x 21.68 =86.72 meters

Therefore, the length of 4 thread wire required in circulating the square-shaped terrain= 4 x 86.72=346.88 meters.

help plzzzz ill give extra points

Answers

Answer:

12x

16x, 320

20

Step-by-step explanation:

Hope this helps

Solution :-

Total equation ,

[tex]\displaystyle\sf\to 4x+\boxed{\sf 12}x=\boxed{\sf 320}[/tex]

[tex]\displaystyle\sf\to \boxed{\sf 16}x=\boxed{\sf 320}[/tex]

[tex]\displaystyle\sf\to x =\boxed{\sf 20}[/tex]

Solve for the missing values in the table y=3x-2

Answers

The missing values ( in order) are
7, 10, 13, 16

What's 14.1 divided by 3

Answers

Answer:

0.423

Merry Christmas!!

Answer:

do you guys want to get on zoom please I kinda promised someone people would  join

614 057 5391

359556

Step-by-step explanation:

What is the value of x in the equation 3- 2x = -1.5х?

Answers

Answer:

x = 6

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define Equation

3 - 2x = -1.5x

Step 2: Solve for x

Add 2x on both sides:                    3 = 0.5xDivide 0.5 on both sides:               6 = xRewrite:                                           x = 6

Step 3: Check

Plug in x into the original equation to verify it's a solution.

Substitute in x:                    3 - 2(6) = -1.5(6)Multiply:                               3 - 12 = -9Subtract:                              -9 = -9

Here we see that -9 does indeed equal -9.

∴ x = 6 is the solution to the equation.

Answer:

x= 6

Step-by-step explanation:

3-2x= -1.5x

-3       -3

-2x= -1.5x - 3

+1.5x   +1.5x

-.5x= -3

divide both sides by -.5

x = 6

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