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
Lana71 [14]
3 years ago
6

Jeri's lawn service charges an initial fee of $4.50 plus $3 an hour. If she is asked to

Mathematics
1 answer:
STALIN [3.7K]3 years ago
7 0

Answer:

5 hours 22 minutes

Step-by-step explanation:

Let us represent the number of hours that Jeri worked as: h

Jeri's lawn service charges an initial fee of $4.50 plus $3 an hour

= $4.50 + $3 × h

= $4.50 + 3h

If she is asked to start before 7 a.m. Jeri charges 1.5 times the regular amount.

= 1.5 × ($4.50 + 3h)

If she made $29.25 on a job that began at 5 am, how many hours did Jeri work?

Hence, we have the final equation;

= 1.5 × ($4.50 + 3h) = $29.25

= 6.75 + 4.5h = 29.25

Collect like terms

= 4.5h = 29.25 - 6.75

4.5h = 22.5

h = 22.5/4.5

h = 5.3571428571

Approximately= 5.36 hours

1 hour = 60 minutes

0.36 hour =

60 × 0.36

= 21.6 minutes

Approximately ≈ 22 minutes

Therefore, Jeri worked for 5 hours 22 minutes

You might be interested in
AD = 4, BC = 5, AB + DC = 12. Найти AB, DC, AC.
Black_prince [1.1K]

Answer:

Im sorry but I ain't smart for this stuff

Step-by-step explanation:

lol

6 0
3 years ago
4C. Quintin is using the three different shaped
Sauron [17]

The smallest number of tiles Quintin will need in order to tile  his floor is 20

The given parameters;

  • number of different shapes of tiles available = 3
  • number of each shape = 5
  • area of each square shape tiles, A = 2000 cm²
  • length of the floor, L = 10 m = 1000 cm
  • width of the floor, W = 6 m = 600 cm

To find:

  • the smallest number of tiles Quintin will need in order to tile his floor

Among the three different shapes available, total area of one is calculated as;

A_{one \ square \ type} = 5 \times 2000 \ cm^2 = 10,000 \ cm^2

Area of the floor is calculated as;

A_{floor} = 1000 \ cm \times 600 \ cm = 600,000 \ cm^2

The maximum number tiles needed (this will be possible if only one shape type is used)

maximum \ number= \frac{Area \ of \ floor}{total \ area \ of \ one \ shape \ type} \\\\maximum \ number= \frac{600,000 \ cm^2}{10,000 \ cm^2} \\\\maximum \ number=  60

When all the three different shape types are used we can get the smallest number of tiles needed.

The minimum or smallest number of tiles needed (this will be possible if all the 3 different shapes are used)

3 \times \ smallest \ number  = 60\\\\smallest \ number = \frac{60}{3} \\\\smallest \ number = 20

Thus, the smallest number of tiles Quintin will need in order to tile  his floor is 20

Learn more here: brainly.com/question/13877427

3 0
3 years ago
What is the measure of angle R? A. 30° B. 50° C. 100° D. 180°
PIT_PIT [208]

Answer:

D. 180 degres

Step-by-step explanation:

5 0
3 years ago
PLEASE HELP!!
Elena-2011 [213]
For this case we have the following equation:
 S = 0.159 + 0.118logD
 Substituting S = 0.2 we have:
 0.2 = 0.159 + 0.118logD
 From here, we clear the value of D.
 We have then:
 0.2 - 0.159 = 0.118logD
 logD = (0.2 - 0.159) / (0.118)
 logD = 0.347457627
 10 ^ (logD) = 10 ^ 0.347457627
 D = 10 ^ (0.347457627)
 D = 2.23 mm
 Answer:
 
The average diameter, D, of the sand particles for a beach is:
 
D = 2.23 mm
5 0
3 years ago
Choose the inequality that represents the following graph.HELP HELP HELP
Wewaii [24]

Solution:

<u>It should be noted:</u>

  • If the starting point of the inequality is half shaded, the sign will be < or >.
  • If the starting point of the inequality is fully shaded, the sign will be ≤ or ≥.

<u>We can tell that:</u>

  • The inequality will either have an < or > sign.
  • The blue line tells us that the value of x must be greater than -1.

This clearly tells us that the inequality is x > -1

<u>In conclusion:</u>

Option C is correct.

4 0
2 years ago
Other questions:
  • Which glide reflection describes the mapping triangle ABC triangleDEF?
    11·1 answer
  • Alfred is taking a trip. He drove 150 mi and then stopped to refuel. He will drive 60 mph to finish his trip. Let x represent th
    15·1 answer
  • What did the boy bumper car say to the girl bumper car
    9·1 answer
  • Why does 69 + 74 + 71 + 69 + 74 + 78 + 70 = 505 and not 504?
    13·1 answer
  • F. By definition, two shapes are congruent if you can map one onto the other using rigid
    12·1 answer
  • Who’s Candice???????????????
    13·2 answers
  • Which quadratic regression equation best fits the data set?
    11·1 answer
  • This is about the cone formula. If you don't know it, please don't answer. If you do, PLEASE ANSWER.
    13·1 answer
  • What is 0.362 in decimals or fractions
    8·2 answers
  • What is the slope of the line passing through (2, -3) and (4, 3)
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!