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
KengaRu [80]
3 years ago
8

Sally is having a problem with her puppy leaving the yard so she decides to build a new fence. The length of the yard is 10 feet

more than 3 times the width. She needs 60 feet of fencing to do the job. Find the length of the yard.
Possible answers:
28 ft, 25 ft, 47.5 ft, 22 ft
Mathematics
1 answer:
Cerrena [4.2K]3 years ago
8 0

The length of the yard is 25ft.

In order to find this we first need to set up variables for the length and the width. Since we don't know anything about the width, we'll set it as x. Then, we know the length is equal to ten more than three times the width. Since the width is x, we can write the length as 3x + 10. Now we can use the formula for the perimeter of a rectangle to solve for x.

2l + 2w = P

2(3x + 10) + 2(x) = 60

6x + 20 + 2x = 60

8x + 20 = 60

8x = 40

x = 5

Now that we have a value for x, we can plug into the length equation and find the length.

3x + 10

3(5) + 10

15 + 10

25

You might be interested in
Please give me some help guys ​
nasty-shy [4]

Answer:

The answer of this question is 50

7 0
3 years ago
Read 2 more answers
Solve the following equation: 3x^3+5x^2-4x-4=0
Rama09 [41]

Answer:

1

Step-by-step explanation:

Simplifying

3x + 2(4x + -4) = 3

Reorder the terms:

3x + 2(-4 + 4x) = 3

3x + (-4 * 2 + 4x * 2) = 3

3x + (-8 + 8x) = 3

Reorder the terms:

-8 + 3x + 8x = 3

Combine like terms: 3x + 8x = 11x

-8 + 11x = 3

Solving

-8 + 11x = 3

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '8' to each side of the equation.

-8 + 8 + 11x = 3 + 8

Combine like terms: -8 + 8 = 0

0 + 11x = 3 + 8

11x = 3 + 8

Combine like terms: 3 + 8 = 11

11x = 11

Divide each side by '11'.

x = 1

Simplifying

x = 1

5 0
3 years ago
Is this a function or no
blondinia [14]

Answer:

Yes

Step-by-step explanation:

None of them repeat

4 0
3 years ago
A motorboat maintained a constant speed of 15 miles per hour related to water going 44 miles upstream then returning the total t
yanalaym [24]

The speed of the current is 13 mph

<h3>What is speed?</h3>

speed refers to distance travelled per unit time. This is a vector quantity this implies that it has magnitude and direction.

The unit for speed as used here is miles per hour and can be written in short form as mph

<u>Given data</u>

speed of boat = 15 miles per hour = 15 mph

distance = 44 miles upstream

total time for the trip = 7.5 hours

<h3>solving for the speed of the current</h3>

let the water current be x

speed = distance / time

the total travel time upstream and downstream is known

for upstream

15 - x = 44 / time

time = 44 / 15 - x

for downstream

15 + x = 44 / time

time = 44 / 15 + x

total time = time for upstream + time for downstream = 7.5

7.5 = (44 / 15 - x ) + ( 44 / 15 + x )

7.5 = ( 44 ( 15 + x ) + 44 ( 15 - x ) ) / ( 15 + x  )( 15 - x )

7.5 ( 15 + x  )( 15 - x ) = 210 +44x + 210 - 44x

7.5 ( 225 - x ^ 2 ) = 420

( 225 - x ^ 2 ) = 56

169 = x ^ 2

x = sqrt ( 169 )

x = 13 miles per hour

hence speed of current is 13 miles per hour

Read more on speed here: brainly.com/question/4931057

#SPJ1

3 0
1 year ago
What is the discount price of the bicycle
quester [9]

Answer:

depends on what the price of the bicycle is and the discount percentage

3 0
3 years ago
Other questions:
  • Explain how to convert 6 feet into meters.
    8·2 answers
  • Simplify The Expression. 12/c^-8d^2
    12·1 answer
  • Yan is climbing down a ladder. Each time he descends four rungs on the ladder, he stops to see how much farther he has to go. Wh
    7·2 answers
  • At the beginning of the year, Jason had $80 his savings account. Each month, he added $15 to his account. Write an expression fo
    5·2 answers
  • It's #25 guys. Show your work!
    15·1 answer
  • Write the following coordinates where they belong in the line segments below. (5 1/2, -4 1/4) _______ (3 3/4, -1 1/4)
    14·1 answer
  • Could someone help what is the variable in “8y3”?
    11·1 answer
  • Pls help me pls and thank you
    12·1 answer
  • Please help me with this its’s for a test
    6·1 answer
  • Can anyone help with this?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!