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kiruha [24]
3 years ago
13

Plzzzzzzzz help for a brainly

Mathematics
2 answers:
Phoenix [80]3 years ago
5 0

Answer:

Complementary angles are 90°

Supplementary angles are 180°

Vertical angles are congruent

olchik [2.2K]3 years ago
4 0

Answer:

Complementary Angles: add up to 90

Supplementary Angles: add up to 180

Vertical Angles: are congruent(equal)

Step-by-step explanation:

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48.04
Andrej [43]

Answer:

29 for the skis and

25 for the snowboards

Step-by-step explanation:

478÷16 and

478÷19

8 0
3 years ago
Plz help me i'm lost badly
Annette [7]

Answer:

Im not sure but i think the answer is 0

3 0
3 years ago
1) Find the area of  ABC to the nearest square centimeter.
satela [25.4K]

that is right correct answer

3 0
3 years ago
If Logx (1 / 8) = - 3 / 2, then x is equal to
Rasek [7]

answer is C 1/4

 see attached picture, it is not exact but with rounding it comes out correct.

8 0
3 years ago
Suppose an airline policy states that all baggage must be box shaped with a sum of length, width, and height not exceeding 174 i
Leya [2.2K]

Answer:

The square-based box with the greatest volume under the condition that the sum of length, width, and heigth does not exceed 174 in is a cube with each edge of 58 in and a volume of 195112 in^{3}

Step-by-step explanation:

For this problem we have two constraints, that are as follows:

1) Sum of length, width, and heigth not exceeding 174 in

2) Lenght and width have the same measure (square-based box)

We know that volume is equal to the product of all three edges, and with the two conditions into account we have the next function:

V=(w^{2})(174-2w)\\V=174w^{2}-2w^{3}

The interval of interest of the objective function is [0, 87]

This problem requieres that we maximize the function that defines the volume. We start calculating the derivative of the function, wich is:

V'=348w-6w^{2} \\V'=(348-6w)(w)

We need to remember that the derivative of a function represents the slope of said function at a given point. The maximum value of the function will have a slope equal to zero.

So we find the value in wich the derivative equals zero:

0=(348-6w)(w)\\w_1=0\\w_2=348/6=58

The first value (w=0) will leave us with a 'height-only box', so the answer must be w=58 in

The value is between the interval of interest.

And, once we solve for the constraints, we have that:

Lenght = Width = Heigth = 58 in

Volume = 195112 in^{2}

8 0
3 years ago
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