1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
WINSTONCH [101]
3 years ago
7

A plumber charges 130 to start job plus 56 per hour . How many hours did she work if the total bill is 214

Mathematics
2 answers:
dusya [7]3 years ago
7 0

Answer:

hours=1.5

Step-by-step explanation:

Make an equation. Note key words like "plus", "per" and "total"

130+56h=214

where h is the total hours worked. Solve for h:

Subtract 130 from both sides and simplify

130-130+56h=214-130\\56h=214-130\\56h=84

Divide both sides by 56 to isolate the variable

\frac{56h}{56} =\frac{84}{56}\\\\h=\frac{84}{56} \\\\h=\frac{3}{2} \\\\h=1.5

The plumber worked for an hour and a half.

Done.

iragen [17]3 years ago
4 0

Answer:

The plumber worked for 1.5 hours

Step-by-step explanation:

y = 130 + 56x

Substitute 214 for y in the equation

214 = 130 + 56x

-130   -130                      Subtract 130 from both sides

84 = 56x                         Divide both sides by 56

1.5 = x

You might be interested in
-1/5(-2 1/4)=<br> Somebody pleaseee helppp meeeee!
evablogger [386]
9/20 I’m pretty sure
5 0
2 years ago
Read 2 more answers
The Antonov An-225 is an extremely large plane. Its length is 276 ft. – about 2½ football fields! A model of the plane has scale
Mademuasel [1]

Answer:

You can download the answer here

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
If 9x is an odd integer, represent the next odd integer as the algebraic expression in x.
Luba_88 [7]
Any odd integer can be expressed as 2n+1, for some integer n.

The next odd integer, after 2n+1, is 2n+1+2=2n+3



thus 9x=2n+1, means that 9x-1=2n,   so n=(9x-1)/2

the next odd number after 2n+1 is 2n+3= 2* (9x-1)/2+3=9x-1+3=9x+2


Remark : this result could also have been found directly.


Answer: 9x+2
8 0
3 years ago
What is 300 as a ratinal number ?
Marta_Voda [28]
300 cannot be converted to a rational number. It has to stay and irrational number because it is not a perfect square
6 0
2 years ago
Read 2 more answers
Consider the age distribution in the United States in the year 2075 (as projected by the Census Bureau). Construct a cumulative
MrRissso [65]

Answer:

The cumulative frequency plot is also attached below.

Step-by-step explanation:

The data provided is as follows:

Age Group Frequency

   0 - 9             34.9

  10 - 19             35.7

20 - 29             36.8

30 - 39             38.1

40 - 49             37.8

50 - 59             37.8

60 - 69             34.5

70 - 79             27.2

80 - 89             18.8

90 - 99               7.7

100 - 109       1.7

Consider the Excel output attached.

The cumulative frequency are computed in the Excel sheet.

The cumulative frequency plot is also attached below.

From the cumulative frequency plot it can be seen that in the future most people will belong to a higher age group rather then the lower ones.

8 0
3 years ago
Other questions:
  • The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard
    12·1 answer
  • How do I find the value of b
    13·2 answers
  • Use side lengths to evaluate.<br> tan (π/3)
    6·1 answer
  • Jay has fraction 3 over 4 pound of bird seed. He needs fraction 3 over 8 pound to feed the birds daily. Which of the rectangle m
    14·1 answer
  • A function which is used to represent a problem, and which can be used to solve the problem, is called a
    9·1 answer
  • What is the length of ac? a)96 b)132 c)72 d)136
    9·2 answers
  • I don’t know how to graph this can someone help me plz
    13·2 answers
  • If y represents a number then write an expression for -2 times the sum of y and seven
    5·1 answer
  • Can somebody help me with my math?
    11·1 answer
  • State the common factor of the terms in the polynomial 5x^2 + 30x^2 - 10x. Then factor the polynomialstate the common factor of
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!