Answer:
She is incorrect
Step-by-step explanation:
If she is doing her math based on her results, she is incorrect. To find out the correct answer, first divide 1000/40 which is 25. Next, multiply 22 and 25. After you do the math, you find that the answer is 550. So based on her results, if she did 1000 trials she would land on heads 550 out of 1000 times.
1/4 = 0.25
0.4
0.55
3/5 = 6/10 = 0.6
Answer:
$13
Step-by-step explanation:
Given data
$2.50 on a snack,
$1.24 on gum,
$3.76 on a comic book, and
$5.50 on lunch
Total expenses will be
=2.5+1.24+3.76+5.50
=$13
The difference between the circumference of circle X and circumference of circle Y is 5π cm.
<h3>What is circumference of a circle?</h3>
This is the distance round a circle.
The circumference of circle X is calculated as follows;

The circumference of circle Y is calculated as follows;

The difference between the circumference of circle X and circumference of circle Y is calculated as follows;

Thus, the difference between the circumference of circle X and circumference of circle Y is 5π cm.
Learn more about circumference of a circle here: brainly.com/question/9782777
Find the sum which amounts to Rs 9261 at 10% per annum compound interest for 18 months ,interest payable half yearly
, where A is amount , r is rate =10% = 0.10 , n is intervals of compounding n=2 , t is time = 18 months=1.5 years
Lets plug in



divide both sides by 1.006012008
