Answer:If n is divisible by 10, then it is divisible by 2 or divisible by 5. ... 2. Let f : X → Y and g : Y → X be functions, and suppose that f ◦ g ... There are many different choices of (p, q) ∈ Z × Z+ which are assigned the same value by f. For example, f(1,1)=1= f(2,2). ... Since f is not an injection by part (a), it is not a bijection, either. 3 ...
10 pages
Step-by-step explanation:
Y=-3
X=0
(0,-3)
To solve,
Distribute 5 to the whole first equation.
You will get -10x+25y=-75
Then distribute 2 across second equation
You will get 10x+4y=-12
X will cance out and you will have 29y=-87
Y=-3
And just plug -3 into one of the equation and you get X=0
Final answer :
(0,-3)
Answer:
1/15 each
Step-by-step explanation:
1/5 of chocolate is separated into 3
1/5 divided by 3 = 1/5 x 1/3 = 1/15 of the whole bar
Answer: 17/18
In words, this is seventeen eighteenths
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Work Shown:
4/9 + 9/18
8/18 + 9/18 ... see note below
(8+9)/18
17/18
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note: To go from 4/9 to 8/18, we multiply top and bottom by 2. So that's why 4/9 = 8/18.
The diagram below shows a visual representation of why 4/9 = 8/18.
In the top row, I've drawn out 9 rectangles of the same size. Then I've shaded 4 of the 9 rectangles to represent the fraction 4/9. In the bottom row, I've cut each of those 9 rectangles into two smaller equal pieces, so we have 9*2 = 18 rectangles now. Note how the shaded regions are the same size, so this shows 4 green regions doubles to 2*4 = 8 yellow regions; therefore 4/9 is the same as 8/18.
Answer: C:3/8
Step-by-step explanation: