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Aleonysh [2.5K]
3 years ago
14

Ella's aquarium holds 55 gallons of water. She is filling the tank and has already put in 22 gallons. Write and solve an inequal

ity to find out how many more gallons she might put in the tank.
Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
5 0
Inequality: 22 + x ≤ 50
Answer: x ≤ 18

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In the Ma-and-Pa grocery store, shelf-space is limited and must be used effectively to increase profit. Two-cereal items, Grano
insens350 [35]

Answer:

No. 2/3 of the space to Grano and 1/3 of the space to Wheatie.

Step-by-step explanation:

Allocating about 57% to Wheatie and 43% to Grano, means to allocate 60(.57)=34.2 ft2 of Wheatie and 60(.43)=25.8 ft2 of Grano. In that case there would be 34.2/.4=85.5≈85 boxes of Wheatie and 25.8/.2=129 boxes of Grano. The total profit would be 129(1)+85(1.35)=$243.75

Best option:

200 Granos boxes and 50 Wheaties boxes on the shelf.

200(.2)=40ft^2 will allocate Granos boxes

50(.4)=20ft^2 will allocate Wheaties boxes.

This means that 40/60=2/3=66.6% of the space will allocate Granos boxes and 20/60=1/3=33.3% of the space will allocate Wheaties boxes.

The total profit would be 200(1)+50(1.35)=$267.5

EXTRA:

This is a optimization problem.

Let X1 be the number of Granos boxes

Let X2 be the number of Wheaties boxes

Objective:

Max Z=1(X1)+1.35(X2)

Subjecto to

0.2(X1)+0.4(X2)<=60,

X1<=200,

X2<=120,

X1,X2>=0.

You can solve it using the simplex method. Check the image for more details.

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3 years ago
Write the equation f(x)=3(x-7)^2+5 in standard form
ruslelena [56]
Standard form
expand first then add


f(x)=3(x-7)²+5
f(x)=3(x-7)(x-7)+5
f(x)=3(x²-14x+49)+5
f(x)=3x²-42x+147+5
f(x)=3x²-42x+152

A is answer
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What is the are of the figure below radius 6in 6in 6in 6in
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Answer:

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Step-by-step explanation:

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3 years ago
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Andrej [43]
Your answer will be -5.3
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Well I think if I was a boy I would be a
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