PLZ HELP ME!!!! ASAP!!!!!! I WILL GIVE BRAINLIEST!!!!
1 answer:
Answer:
see explanation
Step-by-step explanation:
(1)
To find the unit rate divide the amount by 3
$3.84 ÷ 3 = $1.28 ← unit rate
(2)
Using proportion
$45 → 4 months
$180 → 4 × =
= 16 months
(3)
sum the parts of the ratio, 8 + 1 = 9 parts
Divide 90 by 9 to find the value of one part
90 ÷ 9 = 10 ← value of 1 part
Thus
8 × 10 = 80
80 Senators voted for the bill
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Answer:
Note: <em>The full question is attached as picture below</em>
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1. The manufacturer is taking a sample of her friends, which is most convenient to sample - Convenience sampling
2. The whole population is divided into different groups (strata) and random samples are drawn from each group - Stratified sampling
3. The population is divided into different clusters (here, communities) and whole clusters are surveyed - Cluster sampling
4. The samples are drawn at a fixed interval from the population list - Systematic sampling
5. The samples are randomly drawn from the population - Simple random sampling
X=3
Step By Step:
find x
8 + ? • 2 = 22
22 ÷ 2 = 11
There for x = 3
8 + 3 = 11.
Step By Step:
find x
8 + ? • 2 = 22
22 ÷ 2 = 11
There for x = 3
8 + 3 = 11.