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DochEvi [55]
4 years ago
9

Someone help me with this question please I’ll mark u as brilliant :))

Mathematics
1 answer:
SCORPION-xisa [38]4 years ago
3 0

Answer:

3\sqrt{141}

Step-by-step explanation:

Use the Pythagorean Theorem.

37^{2}=x^{2}+10^{2}

1369=x^{2}+100

-100       -100

1269=x^{2}

\sqrt{1269}=\sqrt{x^{2} }

3\sqrt{141}=x

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Simplify:<br><br> √27x^2y^2<br><br> A) 27xy<br> B) 3xy<br> C) 3xy√3<br> D) xy√27
iren2701 [21]

Answer:

\sqrt{27x^2y^2}=3xy\:\sqrt{3}

Hence, option C is correct.

Step-by-step explanation:

Given the expression

\sqrt{27x^2y^2}

simplifying the expression

\sqrt{27x^2y^2}=\sqrt{27}\sqrt{x^2}\sqrt{y^2}

Apply radical rule: \sqrt{a^2}=a,\:\quad \mathrm{\:assuming\:}a\ge 0

               =\sqrt{27}x\sqrt{y^2}

Apply radical rule: \sqrt{a^2}=a,\:\quad \mathrm{\:assuming\:}a\ge 0

                =\sqrt{27}xy

                =xy\sqrt{3^3}

                 =xy\sqrt{3^2\cdot \:\:3}

Apply radical rule: \sqrt{a^2}=a,\:\quad \mathrm{\:assuming\:}a\ge 0

                  =3xy\:\sqrt{3}

Therefore,

\sqrt{27x^2y^2}=3xy\:\sqrt{3}

Hence, option C is correct.

6 0
3 years ago
Is 8.81 greater than 8.9
Umnica [9.8K]

Answer:

no

Step-by-step explanation:

8.9>8.81 because if you round up it would be 8.8 and 8.9

8 0
3 years ago
Read 2 more answers
The diagram represents the factorization of x2 – 9x + 18. It is partially completed.
djyliett [7]
I hope this helps you



x^2-9x+18=0


x -6

x -3



(x-6)(x-3)=0



x-6=0 x= 6


x-3=0 x=3
6 0
3 years ago
Bill has a ladder that is 8 1/2 feet
Mumz [18]
Answer: just figure out 8 1/2 divide by six
3 0
3 years ago
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crimeas [40]

Answer: 3.25 miles

Step-by-step explanation:

6 + 7 = 13

13 x .25 = 3.25

3 0
3 years ago
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