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valkas [14]
4 years ago
15

19=7X+3-3x Solve equation

Mathematics
1 answer:
MaRussiya [10]4 years ago
8 0

Answer:

x=4

Step-by-step explanation:

19=7X+3-3x

Combine like terms

19 = 4x +3

Subtract 3 from each side

19-3 = 4x+3-3

16 = 4x

Divide each side by 4

16/4 = 4x/4

4 =x

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Which of the following is equal to 287 ÷ 7?
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Might be Answer:

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Help anyone can help me do the question,I will mark brainlest.​
Zanzabum

Answer:

a)11cm

b)49.5cm²

Step-by-step explanation:

to find the perimeter you use the formula

o/360×2piR

since 2pi R=18pi cm,to find the radius you cancel pi from both sides 2r/2=18/2...so the radius is 9cm

therefore the perimeter will be:

70/360×2×22/7×9

27720/2520

=11cm

then to find the area you say

o/360×pi R²

70/360×22/7×9²

124740/2520

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I hope this helps

5 0
3 years ago
How do I simplify the 6th root of 4 divided by the 3rd root of 4?
vlabodo [156]
So remember some exponentional laws

x^{m/n} = \sqrt[n]{x^m}

 \frac{x^n}{x^m}=x^{n-m} and

x^{-n}= \frac{1}{x^{n}}
so
 
4 to the 6th root=4^(1/6)
4 to the 3rd root=4^(1/3)

so
\frac{4^{1/6}}{4^{1/3}} =4^{(1/6)-(1/3)}=4^{(1/6)-(2/6)}=4^{-1/3}
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the answer is \frac{1}{ \sqrt[3]{4} }
8 0
3 years ago
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