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N76 [4]
2 years ago
15

−4y−4+(−3) i need help solving this

Mathematics
2 answers:
emmasim [6.3K]2 years ago
5 0
Negative 11 is the answer
ololo11 [35]2 years ago
4 0

Answer: The answer is negastive 11 although I am not one thousand percent sure that this is the answer, if it is not the correct anser then please tell me and I can get the corecct anwer for you!

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Marquise has 200200200 meters of fencing to build a rectangular garden.
Lera25 [3.4K]

Answer:

2500 Square meters

Step-by-step explanation:

Given the garden area (as a function of its width) as:

A(w)=-w^2+100w

The maximum possible area occurs when we maximize the area. To do this, we take the derivative, set it equal to zero and solve for w.

A'(w)=-2w+100

-2w+100=0

-2w=-100

w=50 meters

Since Marquise has 200 meters of fencing to build a rectangular garden,

Perimeter of the proposed garden=200 meters

Perimeter=2(l+w)

2(l+50)=200

2l+100=200

2l=200-100=100

l=50 meters

The dimensions that will yield the maximum area are therefore:

Length =50 meters

Width=50 meters

Maximum Area Possible =50 X 50 =<u>2500 square meters.</u>

3 0
3 years ago
(x² +x-y)dy+ x dy=0<br> Differential equations
Juli2301 [7.4K]

Answer:

where is dx

I cannot find dx

4 0
2 years ago
The area of a triangle is 1/2*(base)*(height) or base times height divided by two.
blagie [28]

Answer:

both

Step-by-step explanation:

7 0
2 years ago
Carla pays $20 per month for her phone service, plus $0.08 for each long
Kisachek [45]

Answer:

Slope = 0.08 dollars per minutes.

Step-by-step explanation:

Carla pays $20 per month for her phone service, plus $0.08 for each long-distance minute used.

Therefore, if Carla talks for m minutes in the long-distance call, then the situation can be modeled by the equation  

C = 20 + 0.08m ............ (1), where C is the total cost for her phone service per month.

Here, 20 is the fixed price and 0.08m is the variable price for her phone charges.

This equation (1) represents a straight line with y-intercept as 20 and the slope as 0.08, where m plotted along x-axis and C is plotted along the y-axis. (Answer)

3 0
3 years ago
Abbey receives a $40 gift card for downloading music and wants to determine how many songs she can purchase. Each downloaded son
LekaFEV [45]

Answer:

A. $2.89(m)=$40

B. 13 songs

Step-by-step explanation:

$2.89(m)=$40

m=$40/$2.89

m=13.84

She can download a maximum of 13 songs

Check:

$2.89 (13 songs)=$37.57

$40-$37.57=$2.43 left on her gift card

m=13.84, check that 0.84 of the cost of a song is left over 0.84*$2.89=$2.43

4 0
3 years ago
Read 2 more answers
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