2 years ago

I am a polygon,I have no parallel lines,I am formed by 3 lines segments,I have one right angle,Two of my angles are acute.

Mathematics

1 answer:

nirvana33 [79]2 years ago

4 0

You are a right triangle. You can tell this by both the 3 sides and the 90 degree angle.

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The total fare for two adults and three children on an excursion boat is $14. If each childs fare is one half of each adults far

zvonat [6]

Make each adult x and each kid 5x
and
set equal to 14.
so it would be
3.5x=14.
14/3.5 = 4
so
x = 4.
adult tickets are 4$ while kids are 2$

7 0

2 years ago

Read 2 more answers

Solve the equation, and check the solutions 2(√x+3)=6.

zhannawk [14.2K]

Answer:

x = 0

Step-by-step explanation:

$2(\sqrt{x}+3)=6$

Expanding the left hand side we get

$\Rightarrow 2\sqrt{x}+6=6$

Taking 6 from left hand side to right hand side

$\Rightarrow 2\sqrt{x}=6-6\\\Rightarrow 2\sqrt{x}=0$

Dividing both sides by 2

$\Rightarrow \sqrt{x}=\frac{0}{2}\\\Rightarrow \sqrt{x}=0\\\Rightarrow x=0$

So, x = 0

4 0

3 years ago

At 1 p.m., the number of cars in a parking lot is 78. Given the formula found in the first part of the question, An=78⋅1.09n, es

Harrizon [31]

Answer:

At 6 p.m., the number of cars in a parking lot is 120

Step-by-step explanation:

At 1 p.m., the number of cars in a parking lot is 78.

Given,

$A_n=78\cdot 1.09^n$

Note that

$A_0=78\cdot 1.09^0=78\cdot 1=78$

So, 1 p.m. goes for n = 0, then

6 p.m. goes for n = 5

Thus,

$A_5=78\cdot 1.09^5\approx 120$

4 0

3 years ago

select all of the figures shown below that are unit cubes. (please explain what a unit cube is too and how to find one)

Marat540 [252]

Answer:

Unit Cube - Definition with Examples. A unit cube, sometimes called a cube of side 1, is a cube whose sides are 1 unit long. The volume of a 3-dimensional unit cube is 1 cubic unit, and its total surface area is 6 square units.

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3 years ago

Find the surface area. * 2) 14 km 11 km 6.3 km 7 km 5 km

ella [17]

Answer:

Step-by-step explanation:

6 0

3 years ago