1. B forms a proportion, this is what I did, i simply 10/18 to 5/9 and i try to see if 5/9 is equivalent to 25/45 and it is. 5/9*5/5= 25/45
2. You multiply 27*4=108 then 108/12=9 so a=12
3. you multiply 16*21=336 then 336/12=28 so b=28
Hope this helps!
Answer:
B
Step-by-step explanation:
(x⁴ + x)^½
As x approaches infinity, x⁴ becomes much larger than x. So:
(x⁴ + x)^½ ≈ (x⁴)^½ = x²
So x² grows at the same rate as (x⁴ + x)^½.
The cash price of the article is 88 cedis.
In this question, the article has a price, but paid in cash, there are two discounts.
- Price of 115 cedis.
- Discount of 15%, thus, 1 - 0.15 = 0.85 is paid, that is, the price is multiplied by 0.85.
- Discount of 10%, thus 1 - 0.1 = 0.9 is paid, that is, the price is also multiplied by 0.9.
Thus, the cash price is:

The cash price of the article is 88 cedis.
A similar question is given at: brainly.com/question/14738783
Answer:
After working 3 months he should have been payed 3 times
Step-by-step explanation:
Because if he gets payed monthly and he worked for 3 months then he should get payed 3 times
Answer:
Part A) The system of equations is equal to


Part B)
The length is 
The width is 
Step-by-step explanation:
Part A)
we know that
The perimeter of the triangle is equal to the sum of the length of its three sides
In this problem

-----> equation A
The perimeter of rectangle is equal to

In this problem

------> equation B
Part B)
Using a graphing tool
Solve the system of equations
We know that
The intersection point both graphs is the solution of the system of equations


The intersection point is 
see the attached figure


step 3
Find the length and width of the rectangle
The length is 3x

The width is 7y
