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
SIZIF [17.4K]
2 years ago
13

Together, Aanya and Krish can wash and wax Aanya's car in 50 minutes. Alone it takes Krish ten minutes more than Aanya. To the n

earest minute, find the number of minutes it takes for each of them to wash and wax the car alone.
Mathematics
1 answer:
Leto [7]2 years ago
6 0

Answer:

95 ; 105

Step-by-step explanation:

Let :

Aanya's time = x

Krish's time = x + 10

Together = 50

Hence

Aanya's rate = 1/x

Krish's rate = 1/(x + 10)

Together rate = 1/50

Hence,

1/x + 1/(x + 10) = 1 / 50

((x + 10) + x) / x(x + 10) = 1/ 50

(2x + 10)/ x² + 10x = 1/50

50(2x + 10) = x² + 10x

100x + 500 = x² + 10x

x² + 10x - 100x - 500 = 0

x² - 90x - 500 = 0

Using the quadratic equation solver :

x = 95.24 ; x = - 5.24

Time can't be negative

Hence, x = 95 (nearest minute)

It takes Aanya 95 minutes Alone a ND

Krishna (95 + 10) = 105 minutes alone

You might be interested in
What is the sum of x?
Korolek [52]

Answer:

the answer is 40

Step-by-step explanation:

x+60

x=60-20

x=20

3 0
3 years ago
Read 2 more answers
How does Reflection work in real-life situations?
bazaltina [42]

Answer:

reflection is defined as the change in the direction of a wavefront at the interface between two different media, bouncing the wavefront back into the original medium. A common example of reflection is reflected light from a mirror or a still pool of water, but reflection affects other types of waves beside light.

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
This is the question ​
AnnZ [28]

Answer:

cool question I love it

3 0
3 years ago
Read 2 more answers
Solve the system of equations Algebraically.
grandymaker [24]
Since y=x+3 (given)
Put value of y in equation x+y=(-3)
x+x+3=(-3)
2x=(-6)
x=(-3)
Put x=(-3) in x+y=(-3)
(-3)+y=(-3)
y=0
So, x=(-3)
y=0
4 0
3 years ago
Identify one way to rewrite the expression using the Distributive Property. 2(9 + 3) A. (2 × 9) − (2 × 3) B. (2 × 9) + (9 × 3) C
Dmitry_Shevchenko [17]
The answer is D.

Because you want to find the rewrite way of distributive right? 2(9+3)

Therefore it’s (2x9) + (2x3)
3 0
3 years ago
Other questions:
  • The volume of a cube is found using the formula l3 what is the volume of a cube in cubic feet that is 4/6 of a foot long
    7·1 answer
  • How many times can 144 go into 2873
    10·1 answer
  • <img src="https://tex.z-dn.net/?f=%5Cfrac%7Bs%2B24%7D%7B7%7D" id="TexFormula1" title="\frac{s+24}{7}" alt="\frac{s+24}{7}" align
    9·1 answer
  • 21 times what is 126?
    14·2 answers
  • A company rents riding equipment for a fixed amount plus a fee based on the number of days for which the equipment is rented. Th
    6·1 answer
  • ANSWER ASAP!! <br><br><br><br><br><br><br><br><br><br>remember to show work​
    11·1 answer
  • A 30-foot guide wire is attached to the top of the tree and then staked into the ground 25 feet away from the base of the tree.
    8·1 answer
  • Please help I don’t know the answer
    11·2 answers
  • 2. Aashvi is making garlic naan. The recipe calls for 2 cups of flour, but Aashvi only has teaspoons. If 24 teaspoons are equal
    10·1 answer
  • After distributing the terms (3x - 7) (2x + 5), you get a new expression of the form
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!