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ValentinkaMS [17]
3 years ago
11

A picture frame is 4 inches taller than it is wide and has an area of 192 square inches. What are the dimensions of the picture

frame? using the quadratic method
thank you :)
Mathematics
1 answer:
Masteriza [31]3 years ago
5 0

Answer: width is 12, length is 16

Step-by-step explanation:

A= l*w

l=w+4

A=w(w+4)

A=192\\192=w^{2} +4w\\0=w^{2} +4w-192

factor

(w+16)(w-12)

w= -16 or w=12

width is 12, length is 16

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Their ratio would be: Cookie / Donut = 4/3
Let, the amount of money earned from Donut = x
It would be: 4/3 = 375 / x
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In short, Your Answer would be $281.25

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4 0
3 years ago
22. The height of a triangle is 4 centimeters less than the base. Write a function that
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The function is y = 1/2 x² - 2 x and the base of the triangle cannot be 3 cm.

let the base of the triangle be x

Height of the triangle = x - 4

Area of triangle = 1/2 × base × height

Area = 1/2 × x × (x-4)

Area = 1/2 (x² - 4x)

Area = 1/2 x² - 2 x

We can also write it as a function:

y = 1/2 x² - 2 x

Domain = (3 , ∞)

Range = [0, ∞)

Since 3 is not included in the domain, base of the triangle cannot be 3 cm.

Therefore, the function is y = 1/2 x² - 2 x and the base of the triangle cannot be 3 cm.

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6 0
2 years ago
Convert solar days into minutes​
Pepsi [2]

Answer:

1 Solar day = 86,400 seconds (SI Base Unit)

1 day = 1,440 minutes

Step-by-step explanation:

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6 0
3 years ago
After Ken Dial had his "‘aha’ moment" (line 41), he
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The correct option is c. how the birds dealt with gradually steeper inclines.

After Ken Dial had his "‘aha’ moment" (line 41), he observed how the birds dealt with gradually steeper inclines.

<h3>Who was Ken Dial?</h3>

In 1988, Dr. Dial was appointed as a biology professor at the of Montana. Dial was the creator and deputy director of the University of Montana Flight Laboratory, as well as the director of the University of Montana Field Research Facility at Fort Missoula.

Some key features regarding Ken Dial are-

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  • Dial is still a frequent keynote speaker at scientific & aeronautical conferences across the world.
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7 0
2 years ago
Jayden sells snow cones for $3.75 each. He started the day with a total of 300 snow cones to sell. If he made a total of $843.75
Leni [432]

Number of cone left is 75 cone

<u>Given that;</u>

Cost of each cone = $3.75 each

Starting number of cone = 300

Total amount earn = $843.75

<u>Find:</u>

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Number of cone left = Starting number of cone - Number of cone sale

Number of cone left = 300 - 225

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