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Doss [256]
3 years ago
15

The question is below pls help.

Mathematics
1 answer:
AysviL [449]3 years ago
4 0

Answer:

The answer is 153.8

Step-by-step explanation:

To find the perimeter you sum all the sides. 5.9+12.3+12.3+10.9+12.3+23.2+18.2+10.9+12.3+35.5= 153.8

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A rectangle has an area 12cm². If the length of the rectangle is ( x + 1 )cm and the width is x cm, find the possible value(s) o
Komok [63]
X can be 3 because:
(3+1)(3)=(4)(3)=12
I believe that is the only possible value for x.
Good luck to you!
5 0
2 years ago
Read 2 more answers
Show 2 different solutions to the task.
laila [671]

Answer with Step-by-step explanation:

1. We are given that an expression n^2+n

We have to prove that this expression is always is even for every integer.

There are two cases

1.n is odd integer

2.n is even integer

1.n is an odd positive integer

n square is also odd integer and n is odd .The sum of two odd integers is always even.

When is negative odd integer then n square is positive odd integer and n is negative odd integer.We know that difference of two odd integers is always even integer.Therefore, given expression is always even .

2.When n is even positive integer

Then n square is always positive even integer and n is positive integer .The sum of two even integers is always even.Hence, given expression is always even when n is even positive integer.

When n is negative even integer

n square is always positive even integer and n is even negative integer .The difference of two even integers is always even integer.

Hence, the given expression is always even for every integer.

2.By mathematical induction

Suppose n=1 then n= substituting in the given expression

1+1=2 =Even integer

Hence, it is true for n=1

Suppose it is true for n=k

then k^2+k is even integer

We shall prove that it is true for n=k+1

(k+1)^1+k+1

=k^1+2k+1+k+1

=k^2+k+2k+2

=Even +2(k+1)[/tex] because k^2+k is even

=Sum is even because sum even numbers is also even

Hence, the given expression is always even for every integer n.

3 0
3 years ago
||BRAINLIEST 20 POINTS!||
Ipatiy [6.2K]

Answer:

-3+1/5

Step-by-step explanation:

4 0
2 years ago
Help I’ve been stuck on these questions
Svetach [21]

Answer:

3+4x

7-12

2x+14=18

four times a number

four times a number is added to seven

Step-by-step explanation:

6 0
2 years ago
Use the formula s - 25,000(1.032) to calculate your salary after 6 years. Round your answer to the nearest dollar
aleksandr82 [10.1K]

Answer:

A) $30201

Step-by-step explanation:

The formula S=25000(1.032)^t describes a 3.2% growth in salary for every year where the principal value is $25000 and the time "t" is the amount of years. This is known as exponential growth.

Since t=6:

S=25000(1.032)^6

S=30200.78

Rounded to the nearest dollar is $30201. So A is the correct choice.

3 0
2 years ago
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