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3 years ago

The quotient of two rational numbers is positive. What can you conclude about the signs of the dividend and the divisor?

Mathematics

2 answers:

Nikitich [7]3 years ago

7 0

1) both have positives signs OR

2) both have negatives signs

Pavel [41]3 years ago

5 0

Answer:

Knowing that the quotient of two rational numbers is positive, leads me to the conclusion that both the dividend and the divisor were the same. When I say the same, I mean they were either both positive or both negative.

I hope this helps

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Answer:

6 chocolates

Step-by-step explanation:

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60/48
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3 years ago

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Answer:

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There are 15 technicians and 11 chemists working in a research lab. They need to form a 5 person safety committee. In how many w

Burka [1]

<h2>There are a total 65,780 ways in which the committee can be made of 5 members.</h2>

Step-by-step explanation:

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The total number of chemists in the lab = 11

So, the total members in the lab = 15 + 11 = 26

So, there are total 26 eligible candidates in the lab from which committee of 5 people has to be made.

Now, since there is <u>no restrictions</u> on the choice, so the committee can be formed in nay way, such that:

It may or may not have any technician.

It may or may not have may chemists.

So, the number of ways 5 member can randomly be chosen from a committee of 26 people = $^{26} C_5$

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3 years ago

PLEASE HELP ASAP 30 PTS

Marrrta [24]

Answer:

c (2,3,-2)

Step-by-step explanation:

3x+y+z = 7

x+3y-z =13

y = 2x-1

Add the first two equations together to eliminate z

3x+y+z = 7

x+3y-z =13

----------------------

4x+4y = 20

Divide by 4

4x/4 + 4y/4 = 20/4

x+y = 5

We know y = 2x-1. substitute this into the equation

x+ (2x-1) = 5

Combine like terms

3x-1 =5

Add 1 to each side

3x-1+1 =5+1

3x=6

Divide by 3

3x/3 = 6/3

x=2

Now we can find y

y = 2x-1

y = 2(2)-1

y =4-1

y= 3

We know x and y, now we need to find z

3x+y+z = 7

3(2) +3 +z = 7

6+3+z =7

9+z=7

Subtract 9 from each side

(-9+z =7-9

z=-2

So x=2,y=3 =-2

(2,3,-2)

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3 years ago