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3 years ago

Please help me explain how this is wrong

Mathematics

2 answers:

babunello [35]3 years ago

8 0

Answer:

Jim is correct

Step-by-step explanation:

Jim is correct because 8 hundreths as a decimal can be written as 0.08. 8 thousanths as a decimal is 0.008. We can see that even though thousandths seems bigger than hundreths, in decimals, the higher it seems, the lower it actually is(0.08>0.008)

Marianna [84]3 years ago

5 0

Answer:

Step-by-step explanation:

Jim though this:eight thousandths looks like this .0008

Lou thought this:eight hundredths looks like this .008

So that means Jim Would have been correct in picking the Larger number.

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3 years ago

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4 years ago

Find the indicated limit, if it exists. (2 points) limit of f of x as x approaches 5 where f of x equals 5 minus x when x is les

Tamiku [17]

It looks like we have

$f(x)=\begin{cases}5-x&\text{for }x5\end{cases}$

and we want to find $\lim\limits_{x\to5}f(x)$ .

Since $x$ is approaching 5, we don't care about the value of $f(x)$ when $x=5$ .

We do care about how $f(x)$ behaves to either side of $x=5$ . If $x\to5$ from below, then $f(x)=5-x$ , so that

$\displaystyle\lim_{x\to5^-}f(x)=\lim_{x\to5}(5-x)=5-5=0$

On the other hand, if $x\to5$ from above, then $f(x)=x+3$ , so that

$\displaystyle\lim_{x\to5^+}f(x)=\lim_{x\to5}(x+3)=5+3=8$

The one-sided limits do not match, since 0 ≠ 8, so the limit does not exist.

6 0

4 years ago

What is the surface area of the square pyramid represented by the net? Enter your answer in the box. m² An unfolded square base

OlgaM077 [116]

Answer:

The surface area of the square pyramid is $144\ m^{2}$

Step-by-step explanation:

we know that

The surface area of the square pyramid is equal to

$SA=B+Ph/2$

where

B is the area of the base

P is the perimeter of the base

h is the height of the pyramid

Find the area of the base B

$B=6^{2}=36\ m^{2}$

Find the perimeter of the base P

$P=4*6=24\ m$

The height is $h=9\ m$

substitute the values

$SA=36+24*9/2=144\ m^{2}$

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3 years ago

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3 years ago