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vekshin1
2 years ago
6

If the length and the breadth of a rectangle are each increased by 1 meter, the area of the rectangle is increased by 22 square

meters. If the length is decreased by 2 meters and the breadth is increased by 3 meters, the area is increased by 12 square meters. Find the perimeter of the rectangle.
Mathematics
1 answer:
bazaltina [42]2 years ago
6 0

Answer:

42 m

Step-by-step explanation:

l+1 * (b+1) = lb+22

lb+b+l+1 = lb+22

l+b=21

perimeter = 42 m

You might be interested in
Round off the following numbers to the nearest thousand. 19. 674,620 20. 355,500
Oksana_A [137]

Answer:

1) 675,000.

2) 356,000

Step-by-step explanation:

There are some rules to round off to the nearest thousand.

1. While rounding off to the nearest thousand, if the digit in the hundreds place is between 0 – 4 i.e., < 5, then the hundreds place is replaced by ‘0’.

2. If the digit in the hundreds place is = to or > 5, then the hundreds place is replaced by ‘0’ and the thousands place is increased by 1.

We have given two numerals:

1)<u> 674,620</u>

According to the second rule defined the digit at the hundreds place is greater than 5 than the thousands place will be increased by 1.

The answer is 675,000.

2) <u>355,500</u>

According to the second rule defined the digit at the hundreds place is greater than 5 than the thousands place will be increased by 1.

The answer is 356,000....

4 0
3 years ago
If you are doing area in mathematics and the base is 16 and the height is 5 but there are 4 sides, don't u need to multiply 16x5
Murrr4er [49]
No, you would only need to multiply 16 by 5 once
4 0
3 years ago
PLEASEEEE HELPPPP<br><br><br><br><br><br> -1+(-5) =<br><br><br><br><br><br>​
valentina_108 [34]

Answer:

-6

Step-by-step explanation:

-1+(-5)

You are moving down the numberline, then subtracting again because of the negative sign. -(1+5) is how I like to think of it.

So, 1+5=6, and you add the negative sign. -1+(-5)=-6.

6 0
3 years ago
True or False: (x + 3)2 = x2 + 9
malfutka [58]

Answer:

false

Step-by-step explanation:

3 0
3 years ago
What is the value of x in the figure please help I’ll give you brainliest :)
Licemer1 [7]

Answer:

37°

Step-by-step explanation:

(4x + 2)° = 150° [Vertically Opposite Angles]

=> 4x = 150 - 2

=> 4x = 148

=  > x =  \frac{148}{4}

=><u> x = 37° (Ans)</u>

8 0
3 years ago
Read 2 more answers
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