piperk19

25.01.2021 • 

Mathematics

One way to convert .05 to a percent would be to... * 5 points
divide .05 by 100
add .05 to 100
subtract .05 by 100
multiply .05 by 100
2. 7.4% as a decimal would be... *
5 points
.074
.74
.0074
.740
3. Find 20% of 90 *
5 points
70
110
18
108
4. Jen was able to do 10 pushups last year. This year she can do 18 pushups. What is the percent change in the amount of pushups Jen can now do? *
7 points
80% more
90% more
60% more
70% more
5. Mikey wants to buy a bike that cost $175. If he waits one more month, the bike will be discounted by 30%. How much money will Mikey save if he waits for the discount to purchase the bike? *
7 points
$155.45
38.70
$45.30
$52.50
6. Isaac is 18 years old. His cousin Marvin is 35% older than him. How old is Marvin? *
7 points
22 years old
24 years old
30 years old
29 years old
7. This year Monica scored a 5 on the FSA math test. Last year Monica scored a 2 on the FSA. What is the percent change in Monicas' FSA score? *
7 points
80% higher
75% lower
150% higher
90% lower
8. Brianna went to diner for breakfast. The total bill was $22.50. The sales tax is 7%, and she decides to tip the waiter 20% of the original bill. What will be the total cost of the bill? *
10 points
$30.26
$28.58
$25.90
$32.75

Ответ:

yurimontoya759

26.01.2020

Mathematics

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The distance between the observer and the bird is the hypotenuse of the right triangle. Moreover, the distance between the distance between the bird and the nest is the perpendicular of the right triangle. The distance may be calculated using:
Sin(∅) = perpendicular / hypotenuse
perpendicular = sin(35°) * 21000
perpendicular = 12,045 feet

The distance between the bird and its nest is 12,045 feet

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