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olga55 [171]
3 years ago
15

Which of the following statement is not true?

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
8 0

Answer:

integers are closed under division

Step-by-step explanation:

Integers are not closed under division.Let us consider two integers i and j.

Then \[\frac{i}{j}\] need not necessarily be an integer. For example, 2 and 3 are integers but \[\frac{2}{3}\] is not an integer. So the first option , namely, integers are closed under division is not true.

On the other hand, the remaining three options given are correct.

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Is x =4 a solution of the equation <br> 13=2x + 4?<br><br> A.yes <br> B.no
Harman [31]

No, it is not. If you plug 4 into the equation in the place of x, you get 13=2(4)+4

13=8+4

13=12

It equals 12, not 13.

8 0
2 years ago
Read 2 more answers
The question in the picture
frez [133]

Answer:

x=5/17

Step-by-step explanation:

pictomath lol

5 0
3 years ago
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Merle Fonda opened a new savings account. She deposited $40,000 at 10% compounded semiannually. At the start of the fourth year,
IrinaVladis [17]
Use compound interest formula  F=P(1+i)^n twice, one for each deposit and sum the two results.

For the P=$40,000 deposit,
i=10%/2=5%  (semi-annual)
number of periods (6 months), n = 6*2 = 12
Future value (at end of year 6),
F = P(1+i)^n = 40,000(1+0.05)^12 = $71834.253

For the P=20000, deposited at the START of the fourth year, which is the same as the end of the third year.
i=5% (semi-annual
n=2*(6-3), n = 6 
Future value (at end of year 6)
F=P(1+i)^n = 20000(1+0.05)^6 = 26801.913

Total amount after 6 years
= 71834.253 + 26801.913
=98636.17   (to the nearest cent.)
8 0
3 years ago
a group of 13 ladies had lunch at a socal restaurant . the total bell for their lunch was 123.50. the ladies agreed that each on
vlada-n [284]

Answer:

$9.50

Step-by-step explanation:

$123.50/13 ladies

they each pay $9.50

7 0
3 years ago
Solve for x and y: x+y=5 x−y=a
9966 [12]

Answer:

x=5/2 + a/2,  y= 5/2 - a/2

Step-by-step explanation:

We can solve this system using addition of the equations

x+y=5

<u>x-y=a</u>

2x  =(5+a)

x=(5+a)/2= 5/2 +a/2

x=5/2 +a/2

x-y=a

y = x - a , x=5/2 + a/2

y= 5/2 + a/2-a

y= 5/2 - a/2

5 0
3 years ago
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