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Pie
3 years ago
6

a">=36
Mathematics
2 answers:
d1i1m1o1n [39]3 years ago
7 0

Answer:

x^{2} =36=6*6\\x^{2} =6^2\\x=\sqrt{6*6}\\x = 6

PtichkaEL [24]3 years ago
4 0
Answer
X=6
I have nothing else to say
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Solve 3 x 1/4 im giving 50 points
levacccp [35]

Answer:

a)3/4

Step-by-step explanation:

=3*\frac{1}{4}\\\\=\frac{3}{4}

5 0
3 years ago
1. Tell whether each function is linear or not.
vovikov84 [41]
No no yes yes

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7 0
3 years ago
A box with a square base and closed top is required to have a volume of 27,000 cm3
julia-pushkina [17]

Answer:

h=30cm

Base sides, x=30cm

Step-by-step explanation:

Let x be the dimension of the sides and h the dimension of height;

V=x^2h

#Material used is directly proportional to surface area. Minimizing surface area will minimize the amount of material used.

Area=2x^2+4xh

Find area as a function of x:

V=x^2h=27000\\\\h=\frac{27000}{x^2}\\\\Area=2x^2+4x(\frac{27000}{x^2})\\\\=2x^2+\frac{108000}{x}

To minimize Area, we find the first derivative of Area:

A=2x^2+\frac{108000}{x}\\\\A\prime=4x+\frac{108000}{x^2}=0\\\\\frac{4x^3-108000}{x^2}=0\\\\4x^3=108000\\\\x=30

#find the second derivative to verify the minimum:

A\prime=4x+\frac{108000}{x^2}\\A\prime\prime=4x+\frac{108000}{x^3}=124, x=30

Substitute x in the volume equation to find h:

h=\frac{27000}{x^2}\\\\=\frac{27000}{30^2}\\\\h=30

Hence, the dimensions of the box that minimize the amount of material used h=30cm and x=30cm

8 0
4 years ago
Solve the inequlity<br>4x &lt; 8​
Sindrei [870]

Answer:

x < 2

Step-by-step explanation:

  1. Divide each side by 4, to cancel out the 4 next to x. It should now look like this: x < 2

I hope this helps!

7 0
3 years ago
Read 2 more answers
A line passing through​ (6,a) and ​(9,-4) is parallel to 2x-3y=6. What is the value of​ a?
PSYCHO15rus [73]

Answer:

a= -6

Step-by-step explanation:

Please see attached picture for full solution.

I skipped a few steps while rewriting the equation into the form of y=mx+c

Here's the step-by-step working if you don't understand:

2x -3y= 6

2x= 3y +6 (+3y on both sides)

2x -6= 3y (-6 on both sides)

3y= 2x -6

<em>y= 2/3x -2</em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em>(÷3 throughout)

5 0
4 years ago
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