Answer:
77.5 cm
Step-by-step explanation:
15.5km* 5 cm on map/ 1 actual km= so 77.5 cm
if my answer helps please mark as brainliest.
32.5 is the correct answer
Answer:
$0.35 per cup
Step-by-step explanation:
<u>Step 1: Find the unit price per quart</u>
5.60 / 4
<em>$1.40 per quart</em>
<em />
Step 2: Find the unit price per cup
1 quart = 4 cups
1.40 quarts / 4 cups
<em>$0.35 per cup</em>
<em />
Answer: $0.35 per cup
Answer:
sin²x
Step-by-step explanation:
we have
(1 − cos x)(1 + cos x)=1-cos²x
Remember that
sin²x+cos²x=1 ------> i-cos²x=sin²x
therefore
(1 − cos x)(1 + cos x)=sin²x
Answer:
(0.2278, 0.3322)
Step-by-step explanation:
Given that out of 400 people 112 agree and 288 disagree
Proportion of people agreeing = 

For confidence interval 90% we have critical value as
1.645
Margin of error =1.645*SE
=
Confidence interval 