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ladessa [460]
4 years ago
15

Joey fills 1/5 of a Toffee box and 1/25 of a minute how much time will it take to fill a Toffee box

Mathematics
2 answers:
Ymorist [56]4 years ago
6 0

Answer:

1/5\ minutes or 12\ sec

Step-by-step explanation:

we know that

Joey fills 1/5 of a Toffee box in 1/25 of a minute

so

by proportion

Find how much time will it take to fill a Toffee box

\frac{(1/25)}{(1/5)}\frac{minutes}{Toffe\ box} =\frac{x}{1}\frac{minutes}{Toffe\ box}\\ \\x=5/25\\ \\x=1/5\ minutes

Convert to seconds

1/5\ minutes=(1/5)*60=12\ sec


Mila [183]4 years ago
5 0
It will take 1/5 of a minute or 12 seconds. Multiply the 1/25 minute by 5 to get the time it will take to fill the whole Toffee box. 
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The flight of a kicked football follows the quadratic function f(x)=−0.02x^2+2.2x+2, where f(x) is the vertical distance in feet
Sergio039 [100]

Answer:

110.9 feet

Step-by-step explanation:

The function that models the flight of the ball is

f(x) =  - 0.02 {x}^{2}  + 2.2x + 2where f(x) is the vertical distance in feet and x is the horizontal distance the ball travels

If the ball hits the ground, then f(x)=0

\implies  - 0.02 {x}^{2}  + 2.2x + 2 = 0

The solution is given by the quadratic formula:

x =  \frac{ - b \pm \sqrt{ {b}^{2}  - 4ac} }{2a}

We substitute a=-0.02, b=2.2, and c=2 to get:

x =  \frac{ - 2.2 \pm \sqrt{ {2.2}^{2}  - 4 \times  - 0.02 \times 2} }{2 \times  - 0.02}

This implies that:

x = 110.90 \: or \: x =  - 0.90

Since we are dealing with time,

x = 110.90

To one decimal place, we have 110.9 feet

6 0
3 years ago
Complete the frequency table:
Gala2k [10]

The percentage of students age 15 and above travel to school by bus is 47%

<h3>How to complete the table?</h3>

The table of values is given as:

                     Method of Travel to School

                            Walk/Bike    Bus    Car Row totals

Under age 15                            18                 165

Age 15 and above    65                                 195

Column totals          152          110        98      360

Using the column total of column 1, we have:

Under age 15 + 65 = 152

This gives

Under age 15 = 87

Using the column total of column 2, we have:

Age 15 and above + 18 = 110

This gives

Age 15 and above  = 92

Using the row total of row 1, we have:

Car + 87 + 18 = 165

This gives

Car = 60

Using the row total of row 2, we have:

Car + 65 + 92 = 195

This gives

Car = 38

So, the complete frequency table is

                     Method of Travel to School

                            Walk/Bike    Bus    Car Row totals

Under age 15           87              18      60        165

Age 15 and above    65          92        38        195

Column totals          152          110        98      360

The percentage of students age 15 and above travel to school by bus is:

Percentage = 92/195 * 100%

This gives

Percentage = 47%

Read more about frequency table at:

brainly.com/question/12576014

#SPJ1

7 0
2 years ago
<img src="https://tex.z-dn.net/?f=18%20-%204%20%20%5Cdiv%20%20%7B2%7D%5E%7B2%7D%20%20%5Ctimes%2010" id="TexFormula1" title="18 -
Vinvika [58]
The answer is 8
Order of operations:(Please Excuse My Dear Aunt Sally)
Parentheses
Exponents
Multiplication
Division
Add
Subtract
When it comes down to multiplication and division you do whichever comes first , left to right same with add and subtract so..
Step1: 2 squared = 4
Step2: 4/4=1
Step3: 1x10=10
18-10=8 . Final answer is 8
7 0
3 years ago
No one is answering please answer and explain I’ll mark brainliest
Zielflug [23.3K]

Answer:

M=x/7 let's say M is what Micheal earned, and so he earns x dollars every seven days

L=2(M)

L=2(x/7)Let's say L is what Lee earned, she earned twice as much as Micheal so 2(x/7)

Total=2(x/7)+x/7

Total=3(x/7)   the total earnings is the sum of x/7 and 2x/7 is 3x/7

5 0
3 years ago
Can i please have help with this i don’t understand
Makovka662 [10]

Answer:

Have attached the frequency polygon below.

hope that helps...

3 0
3 years ago
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