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3 years ago

I need help doing the steps

Mathematics

1 answer:

elixir [45]3 years ago

5 0

Http://chestofbooks.com/architecture/Building-Construction-V2/images/Stone-Steps-173.jpg
There ya go

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How many solutions does 8x + 7 = 8x + 7 have

Lesechka [4]

Answer:

infinetly many solutions

Step-by-step explanation:

7 0

3 years ago

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HELP NO DECIMAL ANSWERS OR YOU WILL BE REPORTED!!!!!!

Alina [70]

Answer:

112 inches I believe! I hope this helps!

Step-by-step explanation:

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3 years ago

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What is the measure of arc EF in circle H?<br> O 41°<br> O 50°<br> O 114<br> O 1730

timurjin [86]

Answer:

The measure of arc EF = 41°

Step-by-step explanation:

Given:

Arc DE = 73°

$\angle FED=123\°$

Now, we know from central angle theorem that the measure of central angle by an arc is twice that of the angle made by the same arc at the circumference. Therefore,

$\textrm{Major Arc DGF}=2\times \angle FED\\\textrm{Major Arc DGF}=2\times 123\\\textrm{Major Arc DGF}=246\°$

Now, we know that sum of all arcs on a circle is equal to 360°.

Therefore, arc DGF + arc DE + arc EF = 360°

$246+73+arc\ EF=360\\319+arc\ EF=360\\arc\ EF=360-319=41\°$

Therefore, the measure of the arc EF is 41°.

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4 years ago

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Shana bought 6.2 pounds of pecans and paid $56.00. About how much per pound did the pecans cost?

spayn [35]

56÷6.2 equals 9.032≈9 the answer is 9 $

8 0

3 years ago

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Question 5: prove that it’s =0

mamaluj [8]

Answer:

Proof in explanation.

Step-by-step explanation:

I'm going to attempt this by squeeze theorem.

We know that $\cos(\frac{2}{x})$ is a variable number between -1 and 1 (inclusive).

This means that $-1 \le \cos(\frac{2}{x}) \le 1$ .

$x^4 \ge 0$ for all value $x$ . So if we multiply all sides of our inequality by this, it will not effect the direction of the inequalities.

$-x^4 \le x^4 \cos(\frac{2}{x}) \le x^4$

By squeeze theorem, if $-x^4 \le x^4 \cos(\frac{2}{x}) \le x^4$

and $\lim_{x \rightarrow 0}-x^4=\lim_{x \rightarrow 0}x^4=L$ , then we can also conclude that $\im_{x \rightarrow} x^4\cos(\frac{2}{x})=L$ .

So we can actually evaluate the "if" limits pretty easily since both are continuous and exist at $x=0$ .

$\lim_{x \rightarrow 0}x^4=0^4=0$

$\lim_{x \rightarrow 0}-x^4=-0^4=-0=0$ .

We can finally conclude that $\lim_{\rightarrow 0}x^4\cos(\frac{2}{x})=0$ by squeeze theorem.

Some people call this sandwich theorem.

6 0

3 years ago