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4 years ago

Someone please answer!!!!

Mathematics

1 answer:

kvasek [131]4 years ago

7 0

See attached image. It's not just an answer...it's a full explanation. Please look through it to make sure you understand, and if anything isn't clear, don't hesitate to ask.

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Which expression is equivalent to 3x+10−x+12 ?

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Answer:

D)---—————------->

2x+22

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3 years ago

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Karina is designing a logo on a coordinate plane. The logo is a square whose area is 200 square units. She places a circle in th

Katarina [22]

Answer:

Step-by-step explanation:

To find the percentage we must first find the area of the circle:

We can find the radius of the circle using the distance formula;

⇒ $d = \sqrt{(x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2}}$

⇒ $r = \sqrt{(6.3 - 0)^{2} + (1.6 - 0)^{2}}$

⇒ $r = 6.5$

Now we calculate the area;

⇒ $A = \pi r^{2}$

⇒ $A = \pi (6.5)^{2}$

⇒ $A = \frac{169}{4}\pi$

To get the percentage we divide the area of the circle by the square’s are and multiply by 100;

⇒ $Percentage = \frac{42.25\pi }{200} * 100$

⇒ $Percentage = 66 (2sf)$

5 0

2 years ago

This is for 16 points<br> Let me know when you got it

Sladkaya [172]

Yeah B it’s B I’m pretty sure

4 0

3 years ago

Can someone help me.

bazaltina [42]

Answer:

range=14

mode=9

median =9

mean =12

Step-by-step explanation:

range is B-S=20-6

mode is most common

median put in order find middle value 6,9,9,9,9,11,13,16,18,20

mean is add all divide by how many 9+9+9+9+6+11+13+16=120/10

If i get one wrong i am sorry

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2 years ago

Which characteristics of a graph tell you that it represents a proportional relastionship

masya89 [10]

1. That it is in a straight line.
2. And it goes through the origin.

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3 years ago