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
adoni [48]
2 years ago
6

Reggie can line a football field in 120 minutes. Rosalinda can line a football field in 80 minutes. If they work together, how m

any minutes does it take them to line a football field?
Mathematics
2 answers:
Oduvanchick [21]2 years ago
7 0

Answer:

48 minutes

Step-by-step explanation:

Reggie can line 1/120 of a football field in 1 minute while Rosalinda can line 1/80 of a football field in 1 minute.

Therefore adding the 2 fractions we get; that BOTH of them can line 1/120+1/80 of a field in 1 minute. 1/120+1/80=1/48.

1/48 of a field can be done in a minute, so it would take them 48 minutes to do 48/48 or 1 whole field.

wel2 years ago
6 0

Answer:

48 minutes

Step-by-step explanation:

Given that;

Rosalinda can line the football field in 80 minutes

Reggie can line the football field in 120 minutes

Lets assume that if they work together, they will take T minutes to line the football field

Hence;

Thus in 1 minute, Rosalina can line 1/80 of the field where as Reggie can line 1/120 of the field

\frac{1}{T} =\frac{1}{120} +\frac{1}{80} \\\\\frac{1}{T} =\frac{2+3}{240}\\\\

The sum of the two fractions will represent the size of the field that can be lined in 1 minute.

\frac{1}{T} =\frac{5}{240} \\\\\frac{1}{T} =\frac{1}{48} \\T= 48

The reciprocal of the sum of the two fractions will represent the time taken for both Rosalinda and Reggie to line the field.

Answer ; It will take them 48 minutes for them to line the football field

You might be interested in
How long will it take you to bike 225 miles at a speed of 15 miles per hour
ladessa [460]
225 divided by 15 equals 15. It will take you 15 hours to get to the 225th mile marker.
5 0
3 years ago
Explain the phrase conservation of energy and provide an example.
liubo4ka [24]

Answer:

Conservation of energy, principle of physics according to which the energy of interacting bodies or particles in a closed system remains constant. ... For example, when a pendulum swings upward, kinetic energy is converted to potential energy.

Step-by-step explanation:

3 0
3 years ago
A total of 800 pre-sale tickets and tickets at the gate were sold to football city championship game. If the number of tickets s
Nitella [24]

The number of presale tickets sold is 271

<em><u>Solution:</u></em>

Let "p" be the number of presale tickets sold

Let "g" be the number of tickets sold at gate

<em><u>Given that, total of 800 Pre-sale tickets and tickets at the gate were sold</u></em>

Therefore,

Presale tickets + tickets sold at gate = 800

p + g = 800 ------ eqn 1

<em><u>Given that, number of tickets sold at the gate was thirteen less than twice the number of pre-sale tickets</u></em>

Therefore,

Number of tickets sold at gate = twice the number of pre-sale tickets - 13

g = 2p - 13 ------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2</u></em>

Substitute eqn 2 in eqn 1

p + 2p - 13 = 800

3p -13 = 800

3p = 800 + 13

3p = 813

p = 271

Thus 271 presale tickets were sold

4 0
3 years ago
Evan wants to split his
Alik [6]

Answer:

$595

Step-by-step explanation:

$1,785 / 3 = $595

5 0
2 years ago
Read 2 more answers
An illusionist needs up to 10 volunteers for a show. She needs no fewer than 4 female volunteers. Let x represent the number of
Sliva [168]

The <em><u>correct answers</u></em> are:

B- x + y ≤ 10 ; and D- x ≥ 4

Explanation:

The illusionist needs at least 4 female volunteers.  This means he could use 4 or more; this means x, the number of female volunteers, is greater than or equal to 4:

x ≥ 4

The total of number of volunteers needed is up to 10.  This means the illusionist can use 10 or fewer people; this means the total is less than or equal to 10.

The number of female volunteers is x and the number of male volunteers is y; together they create the expression x+y.  This gives us

x+y ≤ 10

7 0
3 years ago
Read 2 more answers
Other questions:
  • Express the fraction in simplest form. 14/16 A.7/16 B. 28/32 C.7/9 D. 7/8. Please help now
    5·2 answers
  • Every minute, 2.2 gallons of water flows from a shower. A family of 5 people showers for an average of 9 minutes per person ever
    8·1 answer
  • Y varies directly as x. y=50 when x=5 find y when x=11????
    11·1 answer
  • (in) Solve the equation x - 3x - 2 = 0, giving your answers correct to 2 decimal places.
    12·1 answer
  • Choose the adverb and then decide which adjective it modifies in the sentence below.
    8·1 answer
  • ....!!!.I need help!!!
    8·1 answer
  • John is eating out with friends, and it is his turn to pay gratuity. The bill for the food is $48.53. If he plans to tip 20%, wh
    6·2 answers
  • Helpppp it’s my friends birthday
    11·1 answer
  • Which statement about the ordered pair (-6,8) is true?
    12·1 answer
  • Geometry help please
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!