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Alenkinab [10]
4 years ago
12

What is the value of the expression 30 + [(6÷3) + (3 + 4)]

Mathematics
2 answers:
sleet_krkn [62]4 years ago
7 0
30+[(6÷3)+(3+4)]=39 you're welcome
Leokris [45]4 years ago
6 0
30+((6÷3)+(3+4))
30+(2+7)
30+9
39
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Please find the value of this one expression
Masja [62]

Answer:

Solving the expression \frac{2}{\sqrt[6]{8} }.\sqrt{2}-(-\frac{18}{\sqrt{81} } -2) we get 6

The answer is 6.

Step-by-step explanation:

We need to find value of expression: \frac{2}{\sqrt[6]{8} }.\sqrt{2}-(-\frac{18}{\sqrt{81} } -2)

We know that \sqrt{81}=9

Our expression will become

\frac{2}{\sqrt[6]{8} }.\sqrt{2}-(-\frac{18}{\sqrt{81} } -2)\\=\frac{2}{\sqrt[6]{8} }.\sqrt{2}-(-\frac{18}{9 } -2)\\=\frac{2}{\sqrt[6]{8} }.\sqrt{2}-(-2 -2)\\=\frac{2}{\sqrt[6]{8} }.\sqrt{2}-(-4)\\=\frac{2}{\sqrt[6]{8} }.\sqrt{2}+4

We can write \sqrt[6]{8}=(2^3)^{\frac{1}{6}}=(2)^{\frac{3}{6}}=2^\frac{1}{2}=\sqrt{2}  \\

Now, replacing \sqrt[6]{8}=\sqrt{2}

=\frac{2}{\sqrt[6]{8} }.\sqrt{2}+4\\=\frac{2}{\sqrt{2} }.\sqrt{2}+4\\=2+4\\=6

So, solving the expression \frac{2}{\sqrt[6]{8} }.\sqrt{2}-(-\frac{18}{\sqrt{81} } -2) we get 6

3 0
3 years ago
3n-5=-8(6+5n) please solve this linear equation i need help
Kipish [7]

Answer:

Step-by-step explanation:

6 0
3 years ago
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A line passes through the points (1, 4) and (3, –4). Which is the equation of the line?
Vikentia [17]
Y = -4x + 8

First you need to find the slope of the line.

The slope formula is m = y2-y1/x2-x1

If you plugged in the points it would be m = -4-4/3-1

so m = -8/2 = -4

so the slope is -4

now we need to write the equation of the line

for this u use point slope form

the formula for that is y-y2=m(x-x1)

so if you plug it in it would be:

y-(-4)=-4(x-3)

now you solve

y+4=-4x+12

y+4-4= -4x+12-4

y = -4x + 8

and now you have the slope of the line

I hope this helps! :)
5 0
3 years ago
I’ll mark you brainlist I’ll mark you brainlist
Step2247 [10]

Answer:

Step-by-step explanation:

Slope of the line =3\2

7 0
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he coordinates of the vertices of triangle ABC are given in the table. A B C (4,2) (6,7) (13,1) Triangle ABC is reflected across
lina2011 [118]
I completed the test with the other guy's answer; it's wrong. It should be
-2,-4
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4 0
3 years ago
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