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
timurjin [86]
3 years ago
7

a rectangle had a width of 5m+12. Its length was twice the width. what was the length of the rectangle? and what was the perimet

er or the rectangle?

Mathematics
1 answer:
Digiron [165]3 years ago
4 0
The lengh= 2*(5m+12)=2*5m+2*12=10m+24

the lengh+the width=10m+24+5m+12=15m+36

P=2(the lengh+the width)
P =2*(15m+36)=2*15m+2*36=30m+72
You might be interested in
How to take 1.20 into a faction
sergejj [24]

<em>Answer:</em>

<em>Convert the decimal number to a fraction by placing the decimal number over a power of ten. Since there is  1   number to the right of the decimal point, place the decimal number over  </em>

<em>10  1 </em>

<em> (10 ). Next, add the whole number to the left of the decimal. </em>

<em>1  2 /10 </em>

<em>Reduce the fractional part of the mixed number. </em>

<em>1  1 /5 </em>

<em>Reduce the fraction. </em>

<em>6/ 5 </em>

<em />

<em>Step-by-step explanation:</em>

<em />

6 0
3 years ago
Read 2 more answers
A carpet layer is given a roll of carpet which has already been cut for a 12-ft. wall. The wall measures 1.5 in. on a drawing. T
Anestetic [448]

Answer:

It is 48

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP!!!!!!!!BRAINLIEST PLUS 50 POINTS
docker41 [41]

Use the quadratic formula to find:

x

=

1

±

√

85

5

Explanation:

5

x

2

−

10

x

−

12

is of the form  

a

x

2

+

b

x

+

c

with  

a

=

5

,  

b

=

−

10

and  

c

=

−

12

This has discriminant  

Δ

given by the formula:

Δ

=

b

2

−

4

a

c

=

(

−

10

)

2

−

(

4

×

5

×

−

12

)

=

100

+

240

=

340

=

2

2

⋅

85

This is positive, but not a perfect square, so the quadratic equation has a pair of irrational roots, given by the quadratic formula:

x

=

−

b

±

√

b

2

−

4

a

c

2

a

=

−

b

±

√

Δ

2

a

=

10

±

√

340

10

=

10

±

2

√

85

10

=

1

±

√

85

5

5 0
3 years ago
Which ones are like terms?<br> -1 and 4<br> 3x and -6<br> 5x and -1<br> 5x and 4
irina [24]
Answer: -1 and 4
Explanation: the others aren’t because they have variables in one and numbers in the other
7 0
3 years ago
Suppose that the mean retail price per gallon of regular grade gasoline in the United States is $3.47 with a standard deviation
Dimas [21]

Answer:

Step-by-step explanation:

Your answer

94.5 % - 106.5 %

Mark it as Brainlist answer. Follow me.

8 0
3 years ago
Other questions:
  • What is 10×3 tens in standard form
    12·1 answer
  • How do you write 37/4 as a percentage
    14·2 answers
  • Write the algebraic expression representing the length and width of Marliens house. Someone please tell me the process of how to
    14·2 answers
  • 14 thanks you so much
    9·2 answers
  • Help with this pleaseee.
    15·1 answer
  • Peyton has collected 120 aluminum cans for recycling. If 20 cans will fit in each blue plastic bag, how many bags will she need
    14·1 answer
  • Charlie is choosing between two exercise routines.
    5·1 answer
  • The volume of a rectangular prism is 128 cubic centimeters.
    5·2 answers
  • I NEED HELP PLS ON THIS QUESTION ON MY STUDY GUIDE
    11·1 answer
  • A person calls people to ask if they would like to extend their automobile insurance beyond the normal3years. The probability th
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!