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3 years ago

Simplify. 3 ft 23 in.

Mathematics

2 answers:

Vesnalui [34]3 years ago

8 0

Answer:

4 ft 11 in

Step-by-step explanation:

1 ft = 12 in

23in - 11 = 11 in

3ft + 1 = 4ft

4ft 11 in

sleet_krkn [62]3 years ago

3 0

Answer:

4 ft 11 inches

Step-by-step explanation:

Remember that 12 inches is 1 foot, so 24 inches is 2 feet. That means, 23 inches is 1 foot 11 inches. 11/12 is one inch gone from a foot, so 23/24 much be one inch gone from 2 feet.

Since you already have 3 feet, adding the 1 foot and 11 inches leaves you with 4 ft 11 inches as a result.

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A teenager who is 5 feet tall throws an object into the air. The quadratic function LaTeX: f\left(x\right)=-16x^2+64x+5f ( x ) =

tia_tia [17]

Answer:

At approximately x = 0.08 and x = 3.92.

Step-by-step explanation:

The height of the ball is modeled by the function:

$f(x)=-16x^2+64x+5$

Where f(x) is the height after x seconds.

We want to determine the time(s) when the ball is 10 feet in the air.

Therefore, we will set the function equal to 10 and solve for x:

$10=-16x^2+64x+5$

Subtracting 10 from both sides:

$-16x^2+64x-5=0$

For simplicity, divide both sides by -1:

$16x^2-64x+5=0$

We will use the quadratic formula. In this case a = 16, b = -64, and c = 5. Therefore:

$\displaystyle x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

Substitute:

$\displaystyle x=\frac{-(-64)\pm\sqrt{(-64)^2-4(16)(5)}}{2(16)}$

Evaluate:

$\displaystyle x=\frac{64\pm\sqrt{3776}}{32}$

Simplify the square root:

$\sqrt{3776}=\sqrt{64\cdot 59}=8\sqrt{59}$

Therefore:

$\displaystyle x=\frac{64\pm8\sqrt{59}}{32}$

Simplify:

$\displaystyle x=\frac{8\pm\sqrt{59}}{4}$

Approximate:

$\displaystyle x=\frac{8+\sqrt{59}}{4}\approx 3.92\text{ and } x=\frac{8-\sqrt{59}}{4}\approx0.08$

Therefore, the ball will reach a height of 10 feet at approximately x = 0.08 and x = 3.92.

7 0

3 years ago

Answer the question below

Kobotan [32]

Answer:There are 96 apples in the 12th bag.

Step-by-step explanation:

Firstly, you add the number of apples in the 11 bags.

6+28+16+27+10=87

If the mean number of apples in the 12 bags were 8, the total number of apples are 96.

Using this info, we subtract 87 from 96 to 9.

Hence, there are 9 apples in the 12th bag.

8 0

4 years ago

Please help me out? thank you.

anzhelika [568]

It’s the fourth answer

4 0

3 years ago

{(5,2), (8,9), (2,7),(-5,3)(4,0),(3,11)}<br> FUNCTION or NOT A FUNCTION

zhenek [66]

Answer:

function

Step-by-step explanation:

cuz each x has exactly 1 y its paired to

3 0

3 years ago

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Ake earns $12 for each hour worked. The equation y = 12x can be used to model this situation, where x represents the number of h

nikdorinn [45]

The dependent value is the total amount of money earned

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4 years ago