Answer:
x = 1/25
y = 32/25
Step-by-step explanation:
<h2>
Answer and Explanation to questions 13,14,15</h2>
13)
as given in the question.
14)
Since Y is the midpoint of XZ. So, Y will divide XZ in equal halves into XY and YZ.
15) ![\mathbf{\overline{CD}\cong\overline{YZ}}](https://tex.z-dn.net/?f=%5Cmathbf%7B%5Coverline%7BCD%7D%5Ccong%5Coverline%7BYZ%7D%7D)
and
. So, ![\overline{\textrm{CD}}\cong\overline{\textrm{YZ}}](https://tex.z-dn.net/?f=%5Coverline%7B%5Ctextrm%7BCD%7D%7D%5Ccong%5Coverline%7B%5Ctextrm%7BYZ%7D%7D)
<h2>
Answer and Explanation to questions 16,17,18</h2>
∠3 is supplementary to ∠1 means: ∠3 + ∠1 = 180°
And, according to figure ∠1 + ∠2 = 180° as ∠1 and ∠2 form a straight line.
∠3 + ∠1 = 180° .............(i)
∠1 + ∠2 = 180° .............(ii)
subtracting equation (i) and (ii) will give ∠3 = ∠2 ..........(iii)
15) ∠3 is supplementary to ∠1 as given in the question
16) ∠2 is supplementary to ∠1 as shown be equation (ii)
18) ∠3 ≅ ∠2 as shown by equation (iii)
<h2>
Answer and Explanation to questions 19</h2>
∠3 and ∠4 form a straight line. Therefore, ∠3 + ∠4 = 180° .......(i)
∠4 and ∠5 form a straight line. Therefore, ∠4 + ∠5 = 180° .......(ii)
subtracting equation (i) and (ii)
∠3 + ∠4 - (∠4 + ∠5) = 180°-(180°)
∠3 + ∠4 - ∠4 - ∠5 = 180°-180°
∠3 - ∠5 = 0
∴ ∠3 = ∠5 (Hence Proved)
6 workers-9 jobs in 3 days
In one day 6 workers can do 3 jobs
In one day 1 worker can do 0.5 job
4 workers can so 2 jobs in a day
So. They can do 10 jobs in 5 days
Answer:
Step-by-step explanation:
3/5 = 2/3t......multiply both sides by 3/2...this cancels out the 2/3 on the right side
3/5 * 3/2 = t
9/10 = t
another way to do it is this way...
3/5 = 2/3t......divide both sides by 2/3
(3/5) / (2/3) = t
3/5 * 3/2 = t
9/10 = t