Sandra's volleyball team has a total of 20 uniforms. 20% are medium sized uniforms. how many uniforms are medium sized
2 answers:
Answer:
<h2>4</h2>Step-by-step explanation:
To find the answer we just need to calculate the 20% of 20, because that percentage refers to medium sized only. So, we have to multiply 0.20 with 20, because that decimal number represents a 20%. To find the decimal number, we divide 20% by 100. All the process would be like this:
Then,
Therefore, the are 4 medium sized uniforms.
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Answer:
4, 8, 16, 32, 64
Step-by-step explanation:
The nth term of a geometric sequence is
= a₁
Given
a₇ = 256 and a₁₀ = 2048 , then
a₁ = 256 → (1)
a₁ = 2048 → (2)
Divide (2) by (1)
=
r³ = 8 ( take the cube root of both sides )
r = = 2
Substitute r = 2 into (1)
a₁ × = 256
a₁ × 64 = 256 ( divide both sides by 64 )
a₁ = 4
Then
a₁ = 4
a₂ = 2a₁ = 2 × 4 = 8
a₃ = 2a₂ = 2 × 8 = 16
a₄ = 2a₃ = 2 × 16 = 32
a₅ = 2a₄ = 2 × 32 = 64