Need help again, anyone??

Mathematics

2 answers:

stepladder [879]3 years ago

8 0

Rewrite B: |x-3| - 1 = 5 becomes |x-3| = 6. One way to interpret this follows:

Regard 3 as the center of a graph. Then locate 2 points: one that is 6 units to the right of 3, and the other that is 6 units to the left of 3. The final graph consists of just two points: -3 and 9. Note that -3 + 6 = 3 (the center) and that 9-6 = 3 (also the center).

Shalnov [3]3 years ago

6 0

|x - 3| - 1 = 5

x - 3 - 1 = 5

x - 4 = 5

x = 9

-(x - 3) - 1 = 5

-x + 3 - 1 = 5

-x + 2 = 5

-x = 3

x = - 3

x = -3 , 9 matched the answers on the number line

Answer is B) |x - 3| - 1 = 5

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The perimeter of a quarter circle is 7.14 feet. What is the quarter circles radius

egoroff_w [7]

if the perimeter of 1/4 of the circle is 7.14, then the full circle is 4(7.14) = 28.56.

$\bf \textit{circumference of a circle}\\\\ C=2\pi r~~ \begin{cases} r=radius\\ \cline{1-1} C=28.56 \end{cases}\implies 28.56=2\pi r \\\\\\ \cfrac{28.56}{2\pi }=r\implies 4.55\approx r$

and the radius is the same on any location of the circle.

5 0

3 years ago

How to solve this? Don't just give me the answer help me learn this.

Sphinxa [80]

Answer:

I'm not entirely sure but I think that what is says is that it wants you to find the value of x in (4x+28) to make it 116 degrees because it is that same angle. So what you do is you get (4x+28)=116 and you do this because they are the same angle so you use 116 and get it to solve x. Since I'm lazy, then I go to this website and type the equation in: m a t h w a y . c o m but without all of the spaces, I had to do that so it would let me answer this, but I'll do it the real way this time. (4x+28)=116 Their is a rule in math that as long as you do something to one side of the equal sign in the equation, you have to do it to the other and it will still work. So, you minus 28 from both sides so that you can get rid of it and you now have 4x=88. Now you should know this part but you divide 4 from both sides to make so x is alone. Now you have x=22 because you divided 4 from each side. So their is your answer: x=22.

Step-by-step explanation: If you have the answer key that you can check from to make sure you got it right because I know some teachers let you do that, then you should make sure that is right, but I am pretty sure it is.

6 0

3 years ago

I need help asap please choose all

lubasha [3.4K]

Answer:

28X-8 & 4x 7X- 4x2 for the first one

and 12y+7y & 19y

Step-by-step explanation:

Hope this helps have a great day

3 0

4 years ago

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