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3 years ago

In the picture is de question

Mathematics

1 answer:

valentina_108 [34]3 years ago

8 0

2+(x+4)= ?
So it really is: 2+1(x+4)=0
You distribute the 1 to the x+4
2+ 1x +4= 0
Combine like terms
1x+ 6=0
Subtract six on both sides
1x=-6
Divide by 1 on both sides
x=-6

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Please help!! :( if yah want brianleist!! Tyyyy!!! ^^

laila [671]

Answer:

Step-by-step explanation:

hope this helps !!

6 0

3 years ago

How would I do number<br> 5?

sukhopar [10]

N - 5 ≥ -2

5 - 5 ≥ -2

5 - 5 = 0

n = 5

5 - 5 ≥ -2

5 - 5 = 0

(0 ≥ -2)

3 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

2 years ago

IM IN NEED OF HELP ASAP!!

Lubov Fominskaja [6]

Answer:

B. $\frac{14}{625}$

Step-by-step explanation:

Total paper in the hat:

2 blue + 6 red + 10 yellow + 7 purple = 25 total pieces of paper

P(AB) = 7 / 25 x 2 / 25

A is the probability of pulling a purple paper

B is the probability of pulling a blue paper

8 0

2 years ago

Read 2 more answers

How do I determine if a limit exist considering how it looks on a graph? Can I determine if a limit exists solely from the graph

Allushta [10]

Answer: See below

Step-by-step explanation:

1. At x=1, the limit does not exist. If you see an open circle on the graph like you do here, you know that the function is discontinuous. This graph actually shows a jump discontinuity at x=1.

2. You can determine if a limit exists by solely looking at the graph. Unfortunately in this case, f(1)=1 and $\lim_{x \to \ 1^-} f(x)$ are not equal to each other. Therefore, the limit does not exist.

7 0

3 years ago