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Andreas93 [3]
3 years ago
10

I need help with this pls!

Mathematics
2 answers:
choli [55]3 years ago
8 0

Answer:

No

Step-by-step explanation:

Janita should not but the table. If the table was 6 feet wide, the widest it can be, the area would be 45 square feet. If the table is 46 7/8 square feet, the width is greater than 6 ft.

aleksklad [387]3 years ago
5 0

Answer:

46 7/8 is roughly 9 feet by 5 feet, so she should not purchase the table because the length isn't of the table is too wide.

Step-by-step explanation:

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-3/2 multiplied by 3?
rosijanka [135]
Let's solve this step-by-step! :)

-(3/2) * 3 

= -(9/2)

I hope this helped!! :D
7 0
4 years ago
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Joey enter the Hot Dog Eating competition. He ate 30 1 / 2 hot dogs and 3 3 / 4 minutes. How many hot dogs did he eat in one min
VikaD [51]
(30 1/2) / (3 3/4) = 
(61/2) / (15/4) =
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3 years ago
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Yuri [45]
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7 0
3 years ago
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10. Determine the open interval(s) on which the function f(x) = 12x - x^3 is increasing.
Gre4nikov [31]

Answer:

\large\boxed{x\in(-2,\ 2)}

Step-by-step explanation:

f(x)=12x-x^3

Calculate the derivative of the function:

f'(x)=\left(12x-x^3\right)'=(12x)'-\left(x^3\right)'=12-3x^2

Calculate the zeros of the derivative:

f'(x)=0\Rightarrow12-3x^2=0\qquad\text{add}\ 3x^2\ \text{to both sides}\\\\3x^2=12\qquad\text{divide both sides by 3}\\\\x^2=4\to x=\pm\sqrt4\\\\x=\pm2

Let's check the derivative sign:

f'(x)>0\iff12-3x^2>0\qquad\text{use the distributive property}\\\\-3(x^2-4)>0\\\\-3(x^2-2^2)>0\qquad\text{use}\ a^2-b^2=(a-b)(a+b)\\\\-3(x-2)(x+2)>0\\^{\qquad x=2\qquad x=-2

Sketch a parabola open down

(before the brackets there is the number -3 < 0)

Look at the picture.

Where the derivative is negative, the function decreases.

Where the derivative is positive, the function increases.

Therefore your answer is:

x\in(-2,\ 2)

3 0
4 years ago
The picture up there need this for today!!
tatyana61 [14]

Answer:

I believe its 30 different ways.

Step-by-step explanation:

Each different topping can be added  times. so 5 times 6 is 30.

3 0
3 years ago
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