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
Black_prince [1.1K]
3 years ago
7

The base of a rectangle is two thirds the length of its height. If the perimeter of the rectangle is 20 cm. What is the area?

Mathematics
1 answer:
algol [13]3 years ago
6 0

For this case we have that by definition, the perimeter of a recatangle is given by:

P = 2b + 2h

Where:

b: It is the base of the rectangle

h: Is the height of the rectangle

According to the data of the statement we have:

P = 20 \ cm\\b = \frac {2} {3} h

Substituting we have:

20 = 2 \frac {2} {3} h + 2h\\20 = \frac {4} {3} h + 2h\\20 = \frac {10} {3} h\\60 = 10h\\h = \frac {60} {10}\\h = 6

Thus, the height of the rectangle is6 \ cm

b = \frac {2} {3} (6) = 4 \ cm

So the area is:

A = b * h\\A = 4 * 6\\A = 24 \ cm ^ 2

Answer:

24 \ cm ^ 2

You might be interested in
10. Jack and Dion sold a total of 33 appliances for their store. Dion sold 3 less than twice as
podryga [215]

Let x = amount of appliances Jack sold

Let y = amount of appliances Dion sold.

We need to construct a system of equations to solve this problem

33 = x + y

y = 2x - 3.

Let's solve this system of equations by substitution.

33 = x + (2x - 3). Combine like terms.

33 = 3x - 3. Add 3 to both sides.

36 = 3x. Divide both sides by 3

12 = x. Plug this value into one of our original equations.

33 = 12 + y.  Subtract 12 from both sides

y = 21

Jack sold 12 appliances and Dion sold 21 appliances.

8 0
3 years ago
Help is the answer of <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B3%7D%20-%5Cfrac%7B4%7D%7B5%7D" id="TexFormula1" title="
cestrela7 [59]

Answer:

negative

Step-by-step explanation:

1/3 - 4/5

Get a common denominator of 15

1/3*5/5 = 5/15

4/5*3/3 = 12/15

5/15 - 12/15

-7/15

4 0
3 years ago
A college track team scout watched a 100-meter dash event at a countywide school district track meet. The time in second of each
NNADVOKAT [17]
Where is the plot?????
5 0
3 years ago
Find the equation of the line.
Ymorist [56]

Answer:

y = 0,5 x + (-3)

Step-by-step explanation:

We can see from the graph that when y = -3, the line crosses y axis, therefore

y = ? x + (-3)

We can also spot that when x = 6, y = 0

// now mark ? sign as a variable k and put the given x and y values into the previous expression

y = k * x - 3

0 = k * 6 - 3

k * 6 = 3

k = 3/6

k = 0,5

3 0
2 years ago
jamil buys 4 books and some pens each book costs £5.95 each pen costs £2.35 the toal costs of the books and the pendulum is £37.
Anika [276]

Answer:

9.68

Step-by-step explanation:

it makes sense when u tink about ot

8 0
2 years ago
Other questions:
  • Find the slope of the line through each pair of points (19, -16), (-7,-15)
    7·1 answer
  • Which function has real zeros at x = 3 and x = 7?
    5·2 answers
  • Determine whether each statement about the design from the rug is true.
    6·1 answer
  • Margot wants to use partial products to find 22x17. Write the number in the boxes to show 22x17
    9·1 answer
  • Need help to solve please
    6·1 answer
  • Which fraction is equivalent to 16.6¯%?<br> 1/6<br> 1/3<br> 3/5<br> 2/3
    7·1 answer
  • 9-(6x+1)=3x+8 please help me with this I don’t know how to solve it.
    14·2 answers
  • Jackson bought a pair of jeans on sale for $25.00. The original cost of the jeans was $40.00. What percent represents the discou
    6·1 answer
  • Find the next two terms:
    8·2 answers
  • Find the volume of the figure. Round your answer to the nearest tenth if necessary. Use 3.14 for T.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!