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Vanyuwa [196]
2 years ago
13

Find the value of x if the perimeter is 30. Х X +3 2x – 1

Mathematics
1 answer:
KatRina [158]2 years ago
4 0

Answer:

x = 7

Step-by-step explanation:

The perimeter of triangle is A = a + b + C, the sum of the three sides.

P = 30 and the three sides are x + (2x - 1) + (x + 3)

30 = x + (2x - 1) + (x + 3)   combine like terms together

30 = (x + 2x + x) + (-1 + 3)    Add like terms  

30 = 4x + 2                    

30 - 2 = 4x              Subtract 2

28 = 4x                   Simply

7 = x                       Divide by 4      

Check x = 7;     x + 3 ;       2x - 1                        7 + 10 + 13 = 30

                     7 + 3 = 10     2(7) - 1

                                            14 - 1 = 13

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An invoice is dated January 17 with terms of 8/10 , 6/20 , 4/30 , n/40 . find the three final discount dates and the net payment
IRISSAK [1]

Invoice Date = January 17

• First terms:

8/10 and n/40

This means the final discount can be availed "10" days from Invoice Date (Jan17)

So, it will be:

Jan 17 + 10 days = January 27

Final Discount Date = Jan 27

The net payment date will be "n/40", which is 40 days from invoice date, thus

Net payment date will be:

Jan 17 - Jan 31 = 14 days

Feb 1 - Feb 26 = 26 days

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40 days

Payment Date = Feb 26

• Second terms:

6/20 and n/40

This means the final discount can be availed "20" days from Invoice Date (Jan17)

So, it will be:

Jan 17 + 20 days = Feb 6

Final Discount Date = Feb 6

The net payment date will be "n/40", which is 40 days from invoice date, thus, same as before,

Payment Date = Feb 26

• Third terms:

4/30 and n/40

This means the final discount can be availed "30" days from Invoice Date (Jan17)

So, it will be:

Jan 17 + 20 days = Feb 16

Final Discount Date = Feb 16

The net payment date will be "n/40", which is 40 days from invoice date, thus, same as before,

Payment Date = Feb 26

6 0
1 year ago
Answer to be named brainliest get a thank you and a 5 star vote
Leya [2.2K]

Answer:

30%

Step-by-step explanation:

Meagan completed 14/20 math problems. 14÷20 is 0.7

So she completed 70% of those math problems. The question is How many does she have left?

So she has 30% left to complete.

3 0
3 years ago
I rlly need help ill give u brainliest​
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Answer:

1728 for A

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Step-by-step explanation:

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