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3 years ago

5

Arliss has two pieces of carpet runner. One is2/13 yards long and the other3/13

2 answers:

gayaneshka [121]3 years ago

5 0

Answer:

5 2/3

Step-by-step explanation:i thought this problem was literally impossible to do and its stopped me from progressing but i finally found out the answer and here it is

Lunna [17]3 years ago

3 0

Solution steps:

1. Add the two given fractions.

2. Subtract the sum from 10 to find your answer.

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Find the absolute extrema of f(x) = e^{x^2+2x}f ( x ) = e x 2 + 2 x on the interval [-2,2][ − 2 , 2 ] first and then use the com

fredd [130]

$f(x)=e^{x^2+2x}\implies f'(x)=2(x+1)e^{x^2+2x}$

$f$ has critical points where the derivative is 0:

$2(x+1)e^{x^2+2x}=0\implies x+1=0\implies x=-1$

The second derivative is

$f''(x)=2e^{x^2+2x}+4(x+1)^2e^{x^2+2x}=2(2x^2+4x+3)e^{x^2+2x}$

and $f''(-1)=\frac2e>0$ , which indicates a local minimum at $x=-1$ with a value of $f(-1)=\frac1e$ .

At the endpoints of [-2, 2], we have $f(-2)=1$ and $f(2)=e^8$ , so that $f$ has an absolute minimum of $\frac1e$ and an absolute maximum of $e^8$ on [-2, 2].

So we have

$\dfrac1e\le f(x)\le e^8$

$\implies\displaystyle\int_{-2}^2\frac{\mathrm dx}e\le\int_{-2}^2f(x)\,\mathrm dx\le\int_{-2}^2e^8\,\mathrm dx$

$\implies\boxed{\displaystyle\frac4e\le\int_{-2}^2f(x)\,\mathrm dx\le4e^8}$

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3 years ago

Help plz I’m confused

Ilia_Sergeevich [38]

Answer:

C.

Step-by-step explanation:

$\frac{2}{3}$ is between 0 and 1

Only 1 point is between 0 and 1

C.

6 0

3 years ago

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In an interval whose length is z seconds, a body moves (32z + 2z^â€Š2â€Š) ft. What is the average speed v of the body in this in

Goryan [66]

This question is incomplete, the complete question is;

In an interval whose length is z seconds, a body moves (32z + 2z²) ft.

What is the average speed v of the body in this interval?

Answer: the average speed v of the body in this interval is 32 + 2z ft/s

Step-by-step explanation:

Given that;

Length of travel = z seconds

also the body moves (32z + 2z²) ft

i.e

distance travelled = (32z + 2z²) ft

average speed v of the body in this interval = ?

Now to get the Average Speed

we simply say;

Average Speed V = (32z + 2z²) / z

Average Speed V = 32 + 2z ft/s

Therefore the average speed v of the body in this interval is 32 + 2z ft/s

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3 years ago

A river flows at the rate of 30 feet per minute what is the rate in seconds per foot

PSYCHO15rus [73]

30 ft/ minute=30 ft/ minute*(1 minute / 60 s)=0.5 ft/s
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Answer:2 s/ft.

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3 years ago

What is the distance between saturn and the sun in scientific notation

Archy [21]

<span>1.4267254 x 10^9 ..............................................................</span>

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