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LekaFEV [45]
2 years ago
8

How do you do this question?

Mathematics
1 answer:
oksian1 [2.3K]2 years ago
3 0

Answer:

(-2, 0)

Step-by-step explanation:

ƒ(x) <0 in the intervals where the function is below the x-axis.

The only interval where ƒ(x) < 0 is (-2.0, 0.0).

You might be interested in
What is the value of x ?
Hatshy [7]

Answer:

The value of x will be 2.5

LY will be 9 while KH will be 7.5

Step-by-step explanation:

Hope This Helped

6 0
2 years ago
What are the measurements of the little 2 small cube things on each side, better yet what's the surface area? Thank you
Arisa [49]

<u>Answer:</u>

  • 166 units²

<u>Step-by-step explanation:</u>

<u>We know that:</u>

  • W = 7
  • L = 5
  • H = 4

<u>Surface area is the area of the faces of the cuboid.</u>

<u>Work:</u>

  • => 2(7 x 4) + 2(5 x 4) + 2(5 x 7)
  • => 2(28) + 2(20) + 2(35)
  • => 56 + 40 + 70
  • => 166 units²

Hence, <u>Option C is correct.</u>

Hoped this helped.

BrainiacUser1357

4 0
2 years ago
What's the area of this shap?
Lyrx [107]

The total area is 70 unit square

4 0
3 years ago
PLS HELP ME GUYS THIS IS GEOMETRY. ONE REAL ANSWER EQUALS ONE LIKE AND MAYBE BRAINLYIST IF IT ALLOWS ME.
FromTheMoon [43]

Answer:

47,47,47,43

Step-by-step explanation:

maybe, but I'm not sure

4 0
3 years ago
You are tasked with constructing a rectangular box with a square base, an open top, and a volume of 184 in3. Determine what the
Rudik [331]

The dimension of the box should be 1.7×1.7×3.58 in inches, applying minimization of surface area.

Dimensions to Minimize the Surface Area of the Box

It is given that the box is square based with an open top.

⇒ The box has one square and 4 rectangles

Thus, the total surface area of the box is given as,

S= a²+ab+ab+ab+ab  

S= a²+4ab ______________ (1)

Here, a is the side of the squared base and length of the rectangular sides of the box, b is the breath of the rectangular sides of the box.

This equation is later used for minimization of the surface area.

Also, the volume, V = a²b

It is also given that volume of the box is 184 in³.

⇒ 184 = a²b _____________ (2)

Forming a One-Variable Equation

From equation (2), b=184/a²

Now, substitute this value of b in equation (1) to get,

S = a² + 4a(184/a²)

S = a² + 4(184/a)

S = a² + 736/a

Minimization of Surface Area to find the Dimension

We require a dimension that will minimize the surface area of the box. Hence, applying minimization surface area, dS/da = 0

dS/da = 2a -736/a²

0 = 2a -736/a²

⇒ 0 = 2a³- 736

2a³ = 736

a³ = 736/2

a³ = 368

a = ∛368

a= 7.17 in

∵V = a²b

184 = (7.17)²b

b = 184/7.17²

b = 184/51.4089

b = 3.58 in

Therefore, 1.7×1.7×3.58 in inches is the required dimension for the box, using minimization of surface area..

Learn more about minimization here:

brainly.com/question/17135620

#SPJ4

5 0
1 year ago
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