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Ede4ka [16]
3 years ago
12

Your freind has 12 cds and 3/4 of them are pop music.How many cds are pop music

Mathematics
1 answer:
Natalka [10]3 years ago
3 0

Answer:

9

Step-by-step explanation:

12 x 3/4

36/4

9

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A rectangular area is to be fenced in with 300 feet of chicken wire. find the maximum area that can be enclosed.
GarryVolchara [31]
Let the lengths of the sides of the rectangle be x and y. Then A(Area) = xy and 2(x+y)=300. You can use substitution to make one equation that gives A in terms of either x or y instead of both.

2(x+y) = 300
x+y = 150
y = 150-x

A=x(150-x) <--(substitution)

The resulting equation is a quadratic equation that is concave down, so it has an absolute maximum. The x value of this maximum is going to be halfway between the zeroes of the function. The zeroes of the function can be found by setting A equal to 0:
0=x(150-x)
x=0, 150

So halfway between the zeroes is 75. Plug this into the quadratic equation to find the maximum area.

A=75(150-75)
A=75*75
A=5625

So the maximum area that can be enclosed is 5625 square feet.
6 0
3 years ago
Can someone help explain this to me?​
o-na [289]

Step-by-step explanation:

A. y-5=-4x+4

y=-4x+4+5

y= -4x +9

(0,9)(9/4,0)

8 0
3 years ago
She has one board that is 2 m 3 cm long and another that is 2 m 98 cm long. How long are the two boards together in meters?
miss Akunina [59]

Answer:

5 meters and 1 cm

Step-by-step explanation:

well their are 100 cm in 1 meter

so add 2m and 3 cm to 2 m and 98 cm

to get 4 m and 101 cm what is 5 meters and 1 cm

4 0
3 years ago
How is the product of two and -5 shown on a number line
tatuchka [14]
The correct answer is D
3 0
3 years ago
Read 2 more answers
Generate a number that has a digit in the hundred thousand place that is 10 times the digit in the ten thousands place.
baherus [9]

Answer:

1000000

ten thousands place : 0

hundred thousands place : 10 x 0 = 0

3 0
3 years ago
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