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Musya8 [376]
3 years ago
7

How do I do Radicals?

Mathematics
2 answers:
laiz [17]3 years ago
6 0

Answer:

<h2>See below</h2>

Step-by-step explanation:

To simplify radicals that are not perfect squares, we need a new method.

Example: \sqrt{27}

27 is not a perfect square square the square root cannot be used.

\sqrt{27} = 5.19615242271

To solve this, we need to break down the radical into simpler parts.

\sqrt{27} = \sqrt{3} * \sqrt{9}

\sqrt{9} = 3

\sqrt{3} cannot be simplified

\sqrt{27} = 3\sqrt{3}

Good luck on your test!

I'm always happy to help :)

Blizzard [7]3 years ago
3 0

Answer:

For online calculators you can type sqrt() or just sqrt and it will do it for you

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Perimeter of a triangle with side length of 13.9in,10.4,8.5in
AlladinOne [14]

Perimeter =a+b+c

13.9 + 10.4 + 8.5 =

32.8 in (perimeter)


6 0
3 years ago
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The 18th term of an arithmetic sequence is 49 and the first term is 15.
Tju [1.3M]

Answer:

33

Step-by-step explanation:

49-15=34

34/17=2

For this sequence, you can write this function:

f(x)=15+2(x-1)

Check:

f(18)=15+2(18-1)

f(18)=15+2(17)

f(18)=15+34

f(18)=49

So:

f(10)=15+2(10-1)

f(10)=15+2(9)

f(10)=15+18

f(10)=33

5 0
3 years ago
the ticket booth at a school play sells 140 adult tickets and 210 student tickets. find the ratio of adults to students write yo
julsineya [31]

ratio of adults to students can be written as a fraction


adult tickets / student tickets

140/210 can be simplified to 14/21

14/21 can be simplifed to 2/3

6 0
3 years ago
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Which inequality sign makes the statement true ?
masha68 [24]
Your answer is the last one!
6 0
3 years ago
A and B can fill a cistern in 4 hours. A and C can fill
kirill [66]

Answer:

20 hours

Step-by-step explanation:

We can work easier if we think in terms of an hour

the first equation that we can write is

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the second equation we can write is

A + C = 1/5 (its meaning is that in an hour A and C fill 1/5 of the cistern)

the third equation that we can write is

B = 2C  (its meaning is that in an hour B fill 2 times C the cistern)

now we can substitute the value of B in the first two equations

A + 2C = 1/4

A + C = 1/5

A = 1/5 - C

1/5 - C + 2C = 1/4

C = 1/4 -1/5

C = (5-4)/20

C = 1/20 (this means that in an hour C will fill 1/20 of the cistern, so it takes 20 hours to fill the entire cistern)

A = 1/5 - 1/20

A = (4-1)/20 = 3/20

B = 1/20 *2 = 1/10

4 0
3 years ago
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