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Vesna [10]
3 years ago
7

I'll pick brainiest. Please help me!! Answer as best as you can. THANK YOU!!

Mathematics
1 answer:
rodikova [14]3 years ago
5 0

The volume of the cube is 54.87 but rounded to the nearest tenth is 54.9

The exact volume of the cylinder is 1770.28 but rounded is 1770.29 and the approximate volume of the cylinder is 1769.36

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Carmen's city took a telephone poll about a plan to build a new hotel downtown. 6,000 people took the poll. 25% of them were in
Nimfa-mama [501]
People were in favor of the new hotel=25% of 6000 people.
25% of 6000 people=(25/100)*6000=(25*6000)/100=1500  pople.

1500 people were in favor of the new hotel. 
4 0
3 years ago
PLEASE ANSWER FAST WILL MARK BRAINIEST!!!!!!!!!!!!!!!!<br> please answer ALL to get brainliest!!
natta225 [31]

Answer:

B

Step-by-step explanation:

the question says -12x ≤ -72.the sign ≤ means less than or equal to. so we will divide both sides by -12 to get the value of x. and that wil give us x ≤ 6, the sign did not change because we used a sign common to both sides to divide it. that is slso the reason why we had a positive value.

6 0
3 years ago
Read 2 more answers
Please help me with this question
Montano1993 [528]

9514 1404 393

Answer:

  (√5)/2

Step-by-step explanation:

Of the several ways I can think of to do this, using a graphing calculator is about the easiest. It shows the minimum to be ...

  f(1) = √1.25 = (√5)/2

__

Using the distance formula, you have ...

  f(x) = √((x -(-2))² +((x² +2)-5/2)²)

  f(x) = √(x² +4x +4 +x⁴ -x² +1/4) = √(x⁴ +4x +17/4)

The minimum is found where the derivative is zero.

  f'(x) = (2x³ +2)/√(x⁴ +4x +17/4) = 0

  x³ = -1 . . . . . f'(x) is zero when the numerator is zero

  x = -1 . . . . . cube root

Then the minimum value of f(x) is ...

  f(-1) = √(x⁴ +4x +17/4) = √((-1)⁴ +4(-1) +17/4) = √(1 -4 +17/4) = √(5/4)

  f(-1) = (√5)/2 . . . . minimum value of f(x)

__

The graph shows f²(x) in red and its minimum of 1.25 = 5/4. The curve (x, x²+2) and the point (-2, 5/2) are also shown, for reference. (The slope of the curve at x=-1 is -2, and the normal to the curve at that point has slope 1/2. The normal goes through the point (-2, 5/2), consistent with f(x) being a minimum at x=-1.)

5 0
3 years ago
the scale from a square park to a drawing is 5 m to 1 cm .the actual park has an area of 1600 m2 .what is the area of the drawin
lawyer [7]

The area of the drawing of the park is 64 cm²;

Scale: Square park to Drawing = 5m:1cm

                                                 = 5m:0.01m;

Therefore; Square Park Area = 1600m²;

                 Drawing Area = 1600 ×(0.01/5)²

                                        = 0.0064m² = 64 cm²

To learn more about this; visit: brainly.com/question/22797576

#SPJ9

7 0
1 year ago
Maya must chose a number between 67 and 113 that is a multiple time f 3, 6, and 8. Write all the numbers that she could chose
Tresset [83]
3=3*1
6=3*2
8=2^3
---------
Multiple of 3 , 6 and 8 is 2^3*3=24 and  all his multiples
M24∈{72,96 }
6 0
4 years ago
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