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fenix001 [56]
3 years ago
6

Coach Jeffries had forty-six students sign up for after-school soccer. Then some students decided to join after-school basketbal

l instead. Coach Jeffries had twenty-five players left on the soccer team. How many students switched to after-school basketball?

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
7 0

21

hwhdidjcbudhdhdhdvdhkd

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A developer wants to enclose a rectangular grassy lot that borders a city street for parking. If the developer has 220 feet of f
MrRa [10]

Answer:

6050 square feet

Step-by-step explanation:

Based on the diagram attached, the area which the available fencing can enclose will measure X x Y feet. As the total length of fencing available is 220 feet, the fenced perimeter must equal 220 feet

Y + 2X = 220

Y = 220 - 2X

Area of a rectangle is determined by multiplying the length of perpendicular sides:

Area = X*Y

Area = X(220 - 2X)

Area = 220X - 2X^{2}

The derivative of an equation determines the slope at any given point of that equation. At the maximum or minimum point of the equation, the slope will be zero. Therefore, differentiating the equation for area and equating it to zero will give the value of X where the area is maximum.

A simple variable can be differentiated using below concept:

f(a) = a^{b}

f'(a) = ba^{b-1}

Using the above concepts to differentiate Area and calculate X will give:

Area = 220X - 2X^{2}

Area' = 220 - 4X = 0

X = 55

Calculating Y:

Y = 220 - 2X

Y = 220 - 2(55)

Y = 110

Calculating Area:

Area = X*Y

Area = 55*110

Area = 6050\sqfeet

8 0
2 years ago
Why is the grid in Example 1 a good way to<br> represent a percent?
Tems11 [23]

Answer:

percent means  <u>per hundred </u>

Between the 100 squares, 60 of them are shaded

so you do 60/100

it's kind of like correcting tests, you have 100 questions, you got 80 of them right so its going to be 80/100

when you calculate percentage, you do the fraction x 100

so it's 60/100 = 0.6 x100 = 60%

hope that answers your question

Don't hesitate to leave a comment if you are confused about something

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Convert 35 inches to yards. Explain or show how you got your answer.
Gwar [14]

Answer:

0.972222 yards

Step-by-step explanation:

35/36= 0.972222

7 0
3 years ago
Colin and Brian scored 59. Brian scored 59 more points than Colin ,so what are Colin and brain scored combine together ? Colin s
makvit [3.9K]

Answer:

59

Step-by-step explanation:

Let c and b represent the scores of Colin and Brian respectively.  Then

c + b = 59.  Since brian scored 59 more points than Colin, that means c = 0 and b = 59.  Their combined score is 0 + 59 = 59.

6 0
3 years ago
Hi‍‍‍♀️‍♀️‍‍♀️‍♀️‍‍‍‍♀️‍♀️‍♀️‍‍‍♀️‍‍♀️‍‍‍‍‍♀️‍♀️‍‍‍‍‍‍‍❤️‍‍‍‍‍‍‍‍‍‍‍‍‍‍❄️
Olenka [21]

Answer:

heyyyyy <3

Step-by-step explanation:

5 0
3 years ago
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