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deff fn [24]
3 years ago
10

If the area of a rectangle is 144cm and breadth is 6cm, find the perimeter of the rectangle​

Mathematics
2 answers:
BabaBlast [244]3 years ago
4 0

Answer:

36

Step-by-step explanation:

Area = L*W

A = 144 cm^2

w = 6

L=?

144 = 6*L             Divide by 6

144/6 = 6L/6  

L = 24

P= 2w + 2L

P = 2*6 + 2*24

P = 12 + 25

P = 36 cm

SVEN [57.7K]3 years ago
3 0

Find the length by dividing area by breadth:

144 /6 = 24 cm

Perimeter = 2breath  + 2length

Perimeter = 2(6) + 2(24)

Perimeter = 12 + 48

Perimeter = 60 cm

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Please help idk nothing
Rainbow [258]
Convert 9 1/2 into a mixed fraction: 19/2.
Now, multiply with 6 which in fraction form is 6/1
19/2 times 6/1 equals 114/2

Now you can divide 114/2 which is 57 inches squared.

Have a good day ! :)
7 0
4 years ago
At the beginning of a population study, a city had 390,000 people. Each year since, the population has grown by 7.3% . Let t be
Xelga [282]
T=number of years since start of the study.
y=city´s population.

first year:
y=390,000+0.073(390,000)=390,000(1+0.073)    (=418470)

Second year:
y=(390,000(1+0.073)  + 0.073(390,000(1+0.073) =
 =390,000(1+0.073) (1+0.073)
=390,000(1+0.073)²
  (≈449,018.31)

Third year: if you calculate it you would have:
y=390,000(1+0.073)³

Fourth year: if you compute it you would have:
y=390,000 (1+0.073)⁴

t th year:
y=390,000(1+0.073)^t

Answer: y=390,000(1+0.073)^t
6 0
3 years ago
Rich chooses a 4-digit positive integer. He erases one of the digits of this integer. The
tiny-mole [99]

Answer:

*step by step*

Step-by-step explanation:

If he erases one of the digits in a 4-digit number, then only 3 remain, not four.

If he erased the first digit, then it must have been 1-9, so the total is in the range 11 - 19

otherwise the digit could have been 0-9 in which case the total is in the range 10-19

4 0
2 years ago
Determine the x and y intercepts
kakasveta [241]
Answer:
x-intercepts: (2,0), (4,0)
y-intercepts: (0,-8)

Explanation:
To find the x intercept(s), you must compute where y=0. So solve 0= -x^2 + 6x - 8. So, the x intercepts are: (2,0) and (4,0) since the solutions to the mentioned equation are x=2 and x=4. To find the y intercept(s) compute what is y when x=0. In this case, when x=0, y=-8. So the only y intercept is (0,-8).
5 0
3 years ago
20 = 10x - 6(2x + 5)
viva [34]

Answer:

-25=x

Step-by-step explanation:

20=10x-6(2x+5)

20=10x-12x-30

20=-2x-30

+30   +30

____________

50=-2x

÷-2   ÷-2

___________

-25=x

Hope this helps :D

4 0
3 years ago
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