Answer:
the answer should be A) 12
Step-by-step explanation:
54 ÷ 3^2 × 2
54 ÷ (3 × 3) × 2
54 ÷ 9 × 2
6 × 2
12
Answer:
<em>b) a stratified random sample</em>
Step-by-step explanation:
Stratified random sampling is <em>a sampling process that includes dividing a group into smaller groups called strata</em>.
The strata are established in stratified random sampling or stratification on the basis of mutual characteristics or features of participants.
Answer: 125
Step-by-step explanation: ∠4 and 55 are supplementary angles. This means that ∠4 and 55 add up to 180. We can use this to solve for ∠4.
180 - 55 = ∠4
125 = ∠4
So, ∠4 is equal to 125 degrees.
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Answer:
The answer is 4/3
Step-by-step explanation:
f(x)=1/3x
f(4)=1/3(4)
1/3 * 4
4/3