The linear equation is (-1,1)
Answer:
25%
Step-by-step explanation:
let length of 1st square be x and second be y
then
A/q
x = y/2
area of first square = x^2 = (y/2)^2 = (y^2)/4
and
area of second square = y^ 2
so from sbove two lines
area of first square = 1/4 * area of second square
= 1/4 *100%
so..
area of first sqare = 25% of area of second square
Answer:
(i) 28. (ii) 34. (iii) 42.5
Step-by-step explanation:
![first \: quartiles \: = \frac{1}{4} \times sum \: of \: the \: data](https://tex.z-dn.net/?f=first%20%5C%3A%20quartiles%20%5C%3A%20%20%3D%20%20%5Cfrac%7B1%7D%7B4%7D%20%20%5Ctimes%20sum%20%5C%3A%20of%20%5C%3A%20the%20%5C%3A%20data)
Answer:
5:2
Step-by-step explanation:
Ratio = Gold pieces : Silver pieces
We have 20 gold pieces
8 silver pieces
Ratio = 20 : 8
Dividing through by 4
= 5 : 2
Therefore, the correct ratio = 5:2
answer:
x = 4
y = -3
steps :
x = 10 + 2y
x + y = 1
2y = x - 10 -> y = 1/2x - 5
x + y = 1 -> y = 1 - x
since theyre both equal to y they are equal to each other
1/2x - 5 = 1 - x
3/2x = 6
x = 4
plug 4 back where x is
y = 1 - 4
y = -3
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