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zlopas [31]
3 years ago
9

Someone please help ASAP will give brainliest

Mathematics
1 answer:
algol133 years ago
6 0

√0.02 is rational

√2 is rational

√2 is irrational

√1/2 is rational

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Does anyone know this and if it is extraneous or not?
Anna11 [10]
Addd 4 to both sides
\sqrt{x+9}=5
sqare both sides
x+9=25
minus 9 both sides
x=16

plug it in for x and see
\sqrt{16+9}-4=1
\sqrt{25}-4=1
5-4=1
1=1
true

not extraneous
an extraneous root would be x=-34
5 0
3 years ago
A circle's diameter is 4 feet.
Soloha48 [4]

Answer:

13

Step-by-step explanation:

The formula for cirmference is

C= π2 * r

we're using 3.14 as pi and r = radius.

the radius is always half of the diameter.

So in this case since the diamter is 4, the radius is 2. let's substitute these numbers.

C= 3.14 *2*2 and there your answer is 12.56 which rounded to the nearest tenth is 13.

Hope this helps :)

6 0
2 years ago
Choose the expressions that are perfect cubes
Ludmilka [50]

Answer: the second fifth and sixth one

Step-by-step explanation:

4 0
3 years ago
HERE IS THE ONE WITH THE QUESTION LOL PLZ ANSWER
ZanzabumX [31]

Answer:  

The graph goes with the third chart  

Step-by-step explanation:

Y starts at 3 and then goes up to 4,5, and then 6 while x starts at 0 and goes up to 1,2, and 3

8 0
3 years ago
Which equation represents the graphed function ?
nadezda [96]

Answer:

A y =-2x + 3

Step-by-step explanation:

7 0
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