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Nataly [62]
2 years ago
12

PLEASE HELP, I NEED IT ASAP!!!

Mathematics
2 answers:
jonny [76]2 years ago
8 0
Try C. It’s the only decimal with one dot above it, that’s most likely the answer.
Igoryamba2 years ago
5 0

I am pretty sure it's A


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The ratio x : y is 1 : 3
PilotLPTM [1.2K]

Answer:

A and B are correct

Step-by-step explanation:

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3 years ago
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What is the maximum volume in cubic inches of an open box to be made from a 12-inch by 16-inch piece of cardboard by cutting out
Romashka-Z-Leto [24]

If you start with a 12x16 rectangle and cut square with side length x, when you bend the sides you'll have an inner rectangle with sides 12-2x and 16-2x, and a height of x.

So, the volume will be given by the product of the dimensions, i.e.

(12-2x)(16-2x)x = 4x^3-56x^2+192x

The derivative of this function is

12x^2-112x+192

and it equals zero if and only if

12x^2-112x+192=0 \iff x = \dfrac{14\pm 2\sqrt{13}}{3}

If we evaluate the volume function at these points, we have

f\left(\dfrac{14-2\sqrt{13}}{3}\right) = \dfrac{64}{27}(35+13\sqrt{13})> f\left(\dfrac{14-2\sqrt{13}}{3}\right) = -\dfrac{64}{27}(13\sqrt{13}-35)

So, the maximum volume is given if you cut a square with side length

x=\dfrac{14-2\sqrt{13}}{3}\approx 2.7

5 0
2 years ago
Can someone help me calculate the area of this object?
nekit [7.7K]
Answer: 272.9 cm^2

How to:

25 * 8 = 200

9 * 8.1 = 72.9

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200 + 72.9 = 272.9 cm^2
7 0
2 years ago
Find the range, median, first and third quartiles, and interquartile range for each data set OF THE NUMBERS 52 72 96 21 58 40 75
Andrej [43]

Answer:

Range: 75 Median: 58 1Q: 40 3Q: 75 Interquartile: 35

4 0
3 years ago
15,35,40 will it make a right triangle
KIM [24]

Answer:

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Step-by-step explanation:

If it is a right triangle then by the Inverse of the Pythagoras Theorem:

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Testing:

40^2 = 1600

35^2 + 15^2 = 1225 + 225 = 1450

So the answer is NO>

6 0
3 years ago
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