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Ksju [112]
2 years ago
12

(1,1),(-1,0) 2x+y=3 X-2y=-1 Each pair of a solution of the system of linear equations

Mathematics
1 answer:
kotykmax [81]2 years ago
7 0
Is there a photo with this
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Proof true or false: For all integers a,b,and c,if ab|c then a|c and b|c
olya-2409 [2.1K]

Answer with explanation:

It is given that for three integers , a, b and c, if

              \frac{ab}{c}\rightarrow then, \frac{a}{c} \text{or} \frac{b}{c}

Since , a b is divisible by c , following are the possibilities

1.→ a and b are prime integers .Then , c will be prime number either equal to a or b.

2.→a and b are not prime integers ,then any of the factors of a or b will be equal to c.For example:

 ⇒a=m × n

 b=p × q× c

or,

⇒a=u×v×c

b=s×t

So, whatever the integral values taken by a, and b, if \frac{ab}{c} then either of  \frac{a}{c} \text{or} \frac{b}{c} is true.

4 0
2 years ago
I need help thank youuu
WITCHER [35]

Answer:

.

Step-by-step explanation:

6 0
2 years ago
A rock climber ascends 18 3/4 feet to the top of a rock ledge. He descends 8 1/8 feet and takes a break on a rock outcrop. Write
aalyn [17]

Answer:

3

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The number of people who own smartphone to the number of people who owns a flip phone of 4:3 if 500 more people own a smartphone
almond37 [142]

2000 smartphones and 1500 flip phones

4-3=1

1x500=500

500x4=2000

500x3=1500

3 0
3 years ago
The stem-and-leaf plot shows the ages of customers who were interviewed in a survey by a store.
Solnce55 [7]

Answer:

Step-by-step explanation:

Given is a steam and leaf plot.

This shows the age of customers who were interviewed in a survey by a store.

From the plot we can say that 10th digit is represented by the stem

For greater than 32, obviously 1,2 stem valus will not work.

For stem 3, we can leave 30 and 31 start with 2 in leaf and 3 n stem

We have 32, onwards 7 persons

Similarly for 4, we have 6, for 5 we have 5, for 6 we have 4 and for 7 we have 1

Total number of customers who have ages more than 32 years = 21

8 0
3 years ago
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