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Amanda [17]
3 years ago
10

A Store is having two sales on popcorn. The original price of the popcorn is $10 for 10 oz. Sale A offers you 33% more popcorn f

or free. Sale B offers you the same amount of popcorn, but at 33% off of the original price. What is the better deal? Why?
Mathematics
1 answer:
11111nata11111 [884]3 years ago
7 0

Answer:

  33% off is the better deal

Step-by-step explanation:

1.33 times as much popcorn for the same price is equivalent to 1/1.33 ≈ 0.75 times the price for the original amount of popcorn. That price is equivalent to a sale of 1 - 0.75 = 0.25 = 25% off.

The sale price of 33% off is a better deal (if you don't want the extra popcorn).

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The function H(t) = −16t2 + 75t + 25 shows the height H(t), in feet, of a baseball after t seconds. Part A: After how many secon
nlexa [21]

Step-by-step explanation:

Given that,

The function that shows the height of a baseball after t seconds is given by :

H(t)=-16t^2+75t+25 ....(1)

Part (A).

When the baseball hits the ground,

H(t) = 0

So,

-16t^2+75t+25=0\\\\t=5\ s\ and\ t=-0.31\ s

After 5 seconds the baseball will hit the ground.

Pat (B)

For maximum height, put dH/dt = 0

So,

\dfrac{d}{dt}(-16t^2+75t+25)=0\\\\-32t+75=0\\\\t=2.34\ s

Put t = 2.34 s in equation (1).

H(t)=-16(2.34)^2+75(2.34)+25\\\\H(t)=112.89\ m

Hence, this is the required solution.

8 0
3 years ago
One seal weights 22 pounds.Another seal weighs three thins. As much how much do the seals weigh altogether
ExtremeBDS [4]

Answer:

88 lbs

Step-by-step explanation:

22+22(3)=88

3 0
3 years ago
How can addition properties help me add whole numbers
Bas_tet [7]

Answer:

There are four addition properties that help to add whole numbers :

For any  whole number a, b, and c ;

1. <u>Closure property of addition </u>-   a+b

For example:

2+3=5

4+3=7

We can conclude that if we add any two whole number , we get another whole number.

2. <u>Associative property of addition</u>- when any whole number or variable are added, then that can be grouped in different way without changing result

a+(b+c)=(a+b)+c

For example:  

2+(3+4)=(2+3)+4

3.<u> </u><u>Commutative property of addition</u>- when any  whole number or variable are added, then the order changed without changing the result.

a+b=b+a

For example: 2+3=3+2

4. <u>Identity property of addition</u>- when 0 is added to a whole number or variable , the result is the same variable or number.

a+0=0+a

For example: 3+0=0+3

0 is called an Identity for addition of whole numbers.


3 0
3 years ago
HELP ME WITH MATH!!! So basically I have to figure out how many hours that is between the times.
Ad libitum [116K]

Answer: (I think its correct)

1: 8 hours and 30 minutes

2: 8 hours

3: 8 hours and 50 minutes

4: 8 hours and 45 minutes

5: 7 hours and 48 minutes

6: 11 hours 13 minutes

7: 11 hours 31 minute

Step-by-step explanation: (Im bad at explaining it)

So I got this by using counting the hours in between the times and taking out the minutes in them,then subtracting the time they took the fall asleep. Every time that has minutes I add that, if it is over 60 minutes I subtract 60 minutes. So like 30+35=65 | 65-60=5.

Lets do a problem: 9:15 (bed) | 10:30(woke up) | 30 minutes (fall asleep)

So we count how many hours in each time and we take out the minutes, so 9:00, 10:00, 11:00, so on and so forth.

So in between the hours its was 13. Then we add the minutes (15+30)

15+30=45. So the answer is 13 hours and 45 minutes, but we got to subtract 13 hours and 45 minutes which is 13 hours and 15 minutes.

Final Answer: 13 hours and 15 minutes.

8 0
2 years ago
Read 2 more answers
How would you write 8^5 as a multiplication expression?
andrezito [222]
8x8x8x8x8 is the answer. The 5 as the exponent means that you are multiplying 8 by itself 5 times.
8 0
3 years ago
Read 2 more answers
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