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
AfilCa [17]
4 years ago
15

the length of a rectangle is 3 more than twice its width find the dimensions of the rectangle if the perimeter is 48 inches

Mathematics
1 answer:
irinina [24]4 years ago
3 0
So first you would set up the equation of 48 = x + x + 3(2)x + 3(2)x. Perimeter is equal to width + width + length + length-- x is width, length is 3 times 2x, so that's where that equation comes from. You combine like terms and get 48 = 2x + 6x + 6x or 48 = 14x. You then divide by 14 and get x ≈ 3.4. Then to find the dimensions you substitute it back to what I said the dimensions were. Width is x, so width is around 3.4. Length is 3 times twice the width (x) so 3(2x) or 6x. So you substitute ≈3.4 for x and get ≈20.6. The width is ≈3.4 and the length is ≈20.6 (the dimensions).
You might be interested in
What does 4/54=x/36 equal
dalvyx [7]

First reduce the fraction so your equation looks like this:

2/27=x/36

Now cross multiply to simplify

72=27x

Now change sides

27x=72

Now divide both sides by 27

X= 8/3

Now you are left with your answer:

x= 8/3

Hope this helps! :3

4 0
3 years ago
Read 2 more answers
there are unspecified number of cows and hens in a den. if there are total of 30 heads and 80 legs in a den, find the number of
STatiana [176]

Let x be the number of cow.

Number of hens=180-x.

Since cows have 4 legs and hens 2,

So, 4x+2(180-x)=420.

or, 4x+360–2x=420

or, 2x=420–360

or, 2x=60

or,x=30.

So, number of cows is 30.

Step-by-step explanation:

Hope this helps you^_^ Please mark as the brainliest.

8 0
3 years ago
A hybrid SUV that can travel 450 miles on a 15 gallon tank of gas. Determine how many miles she can travel on 5 gallons of gas.
nirvana33 [79]

Answer:

150 miles

Step-by-step explanation:

450 miles / 15 gallon = 30 miles

1 gallon = 30 miles

5 gallons = 5(30) = 150 miles

6 0
3 years ago
What is the measure of X! Please help if you know how to do this!
deff fn [24]

Answer:

28°

Step-by-step explanation:

You're given that line DE and line FG are parallel and KL and FG are perpendicular. Then you can find out angle ∠BAC by using the vertical angles property: ∠BAC=62°. Then since KL and FG are perpendicular ∠ABC = 90°. So you find the angle ∠BCA by finding the sum of interior angles: 62+90+∠BCA=180, therefore ∠BCA is 28°. Finally, ∠x or ∠JCG = 28 because ∠JCG and ∠BCA are vertical angles and congruent.

4 0
3 years ago
3.PS-15
lianna [129]

Answer:

.

Step-by-step explanation:

3.PS-15

Challenge The members of the city cultural center have decided to put on a play once a night for a

week. Their auditorium holds 500 people. By selling tickets, the members would like to raise $2,350

every night to cover all expenses. Let d represent the number of adult tickets sold at $6.50. Lets

represent the number of student tickets sold at $3.50 each. If all 500 seats are filled for a

performance, how many of each type of ticket must have been sold for the members to raise exactly

$2,350? At one performance there were three times as many student tickets sold as adult tickets. If

there were 400 tickets sold at that performance, how much below the goal of $2,350 did ticket sales

fall?

The members sold

adult tickets and

student tickets.

3 0
2 years ago
Other questions:
  • how many square feet of cardboard does jessica need to got on the back of a picture frame that has sides 3 feet long(what is the
    10·1 answer
  • A long distance phone service charges $0.30 for the first 10 minutes and $0.05 for each additional minute or fraction thereof. U
    11·1 answer
  • These box plots show daily low temperatures for a sample of days in two
    7·1 answer
  • What is the value of a?
    14·1 answer
  • The difference of a and b is?
    14·1 answer
  • John had 5 apples, Jimmy took 4. How many apples does John have now?​
    10·1 answer
  • A soccer team will sell T-shirts for a fundraiser. The company that makes the t-shirts charges $10 per shirt plus a $20 shipping
    5·1 answer
  • (i) p® – 8pº +p? + 5​
    14·2 answers
  • Help with these 2 questions pls
    9·2 answers
  • HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!