Hope you know that x^(-1) = 1/x used this you get
(-5x^3)^-2 = 1/(-5x^3)^2 = 1/{(-5^2)(x^6)} = 1/(25x^6)
hope helped
Answer:
Step-by-step explanation:
The product of two numbers is greater than one of the multiples if the other multiple is greater than 1.
a)
- 7/5 × 1/3 > 1/3 as 7/5 > 1 ⇒ yes
b)
- 3/4 × 2/9 < 2/9 as 3/4 < 1 ⇒ no
c)
- 4/3 × 2/9 > 2/9 as 4/3 > 1 ⇒ no
d)
- 5/7 × 1/3 < 1/3 as 5/7 < 1 ⇒ yes
Answer:
131
Step-by-step explanation:
2(53+34)-43
PEMDAS requires parentheses to be done first.
2(87)-43
Next, multiplication
174-43
Subtract
131
Answer:
The number of men to number of women be 7 : 8 .
Step-by-step explanation:
Answer:
The sum of the first 35 terms of the arithmetic sequence when a = 5 and d = 4 is 2555.
Step-by-step explanation:
Given:
a = 5
d = 4
To Find :
The sum of first 35 terms of the arithmetic sequence = ?
Solution:
Step 1 : finding the 35th term





Step 2: Finding the sum of first 35 terms

Substituting the values




