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4 years ago

How to round 672831 to nearest ten thousand

Mathematics

1 answer:

seraphim [82]4 years ago

8 0

This is for rounding up: So in this number, 7 is the digit in the ten thousands place. Round 7 up and you get 680000

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Can y’all answer the question for me please thank you

Bingel [31]

Answer: 544 ft²

Step-by-step explanation: 17*32=544 and ft*ft=ft² so it is 544 ft²

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3 years ago

a class consists of 10 boys and 5 girls. how many ways can a committee of 3 boys and 2 girls be selected

hammer [34]

Answer:

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Step-by-step explanation:

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4 years ago

In a triangle, the midsegment is ___________ to and ____________ of the non-intersecting side.

erastova [34]

In a triangle, the midsegment is parallel to and half of non-intersecting side.

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3 years ago

Read 2 more answers

BRAINLIEST ANSWER THIS IS URGENT PLEASE HURRY. ANSWER ALL THE BLANK BOXES.

shusha [124]

The answers are:

1) $x$

2) $x$

3) $\frac{ln(x+4)}{2}$

The explanation for this answer is shown below.

1. To solve this problem you must apply the following proccedure:

2. You have the function $f(x)=e^{2x}-4\\ y=e^{2x}-4$

3. You must switch $x$ and $y$ and then solve for $x$ :

$x=e^{2y}-4\\ x+4=e^{2x}\\ ln(x+4)=2y\\ y=\frac{ln(x+4)}{2}$

4. Finally, you obtain:

$f^{-1}(x)=\frac{ln(x+4)}{2}$

7 0

3 years ago

6. A sector of a circle is a region bound by an arc and the two radii that share the arc's endpoints. Suppose you have a dartboa

Aliun [14]

Given the dartboard of diameter $20in$ , divided into 20 congruent sectors,

The central angle is $18^\circ$

The fraction of a circle taken up by one sector is $\frac{1}{20}$

The area of one sector is $15.7in^2$ to the nearest tenth

The area of a circle is given by the formula

$A=\pi r^2$

A sector of a circle is a fraction of a circle. The fraction is given by $\frac{\theta}{360^\circ}$ . Where $\theta$ is the angle subtended by the sector at the center of the circle.

The formula for computing the area of a sector, given the angle at the center is

$A_s=\dfrac{\theta}{360^\circ}\times \pi r^2$

<h3>Given information</h3>

We given a circle (the dartboard) with diameter of $20in$ , divided into 20 equal(or, congruent) sectors

<h3>Part I: Finding the central angle</h3>

To find the central angle, divide $360^\circ$ by the number of sectors. Let $\alpha$ denote the central angle, then

$\alpha=\dfrac{360^\circ}{20}\\\\\alpha=18^\circ$

<h3>Part II: Find the fraction of the circle that one sector takes</h3>

The fraction of the circle that one sector takes up is found by dividing the angle a sector takes up by $360^\circ$ . The angle has already been computed in Part I (the central angle, $\alpha$ ). The fraction is

$f=\dfrac{\alpha}{360^\circ}\\\\f=\dfrac{18^\circ}{360^\circ}=\dfrac{1}{20}$

<h3>Part III: Find the area of one sector to the nearest tenth</h3>

The area of one sector can be gotten by multiplying the fraction gotten from Part II, with the area formula. That is

$A_s=f\times \pi r^2\\=\dfrac{1}{20}\times3.14\times\left(\dfrac{20}{2}\right)^2\\\\=\dfrac{1}{20}\times3.14\times10^2=15.7in^2$

Learn more about sectors of a circle brainly.com/question/3432053

8 0

3 years ago