Answer: (c)
Step-by-step explanation:
Given
The expression is
checking options, for (a)
option (a) is incorrect
for (b)
option(b) is incorrect
for (c)
option (c) is matching with the given expression.
Answer:
a: 1.26
b: 8190
Step-by-step explanation:
The account had a 26% increase. Therefore, you would multiply the original amount by 1.26.
1.26 x 6500 = 8190
Answer:
3
Step-by-step explanation:
Always include the steps and/or background required to get to the final answer. Let’s help other people understand and solve future problems on their own.
Answer:
C
Step-by-step explanation:
The circumference (C) of a circle = 2πr ← r is the radius
Given C = 15π the equating gives
2πr = 15π ( divide both sides by 2π )
r = = 7.5 cm
The area (A) of a circle is calculated using the formula
A = πr² = π × 7.5² = 56.25π cm² → C
Answer:
6.25 litres
Step-by-step explanation:
ratio 1:4
25/4 = 6.25
4 * 6.25 = 25
1 * 6.25 = 6.25
= 6.25 litres of concentrate