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ipn [44]
2 years ago
11

help meeeeeeee please Nо files оr Im sоrry I dоnt understand this I will mark you brainlist if you answer all of them!!!! PLEASE

HELPPPP

Mathematics
1 answer:
Yakvenalex [24]2 years ago
7 0

Lesson 4: Different equations can describe the situation because the equation doesn't have to be the same equation. you can have 21 - 11 and get 10, but have 2 + 8 and get 10.

Lesson 1: A tape diagram is used to represent a situation by having numbers on each lets say stamp you could have 20 as a product and have 4 stamps with 5 on each of them.

I don't know how to make a tape diagram on a computer.

Lesson 2; What it means that an equation is either true or false is if you get the correct answer to the equation.

Lesson 5: A fraction is made out of fractions or decimals because there is always an equal fraction. and you can represent a fraction like 10/10 as 1.00 as a decimal or 1/10 as 0.1

Lesson 3: A balance hanger will give you steps to find an unknown amount in an associated equation if the left side of the hanger has 5 squares on it and the number of 15 you would know that each square is equal to 3. and a true equation would tell you what you would add or multiply or divide or subtract.

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The triangle shown below has an area of 24 units. 10, 8, x. Find the missing length.
Finger [1]

Answer:

51

Step-by-step explanation:

a squared+2 squred=c

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2 years ago
What is the area of a regular hexagon (6 sides) whose
Ganezh [65]

Step-by-step explanation:

With reference to the regular hexagon, from the image above we can see that it is formed by six triangles whose sides are two circle's radii and the hexagon's side. The angle of each of these triangles' vertex that is in the circle center is equal to 360∘6=60∘ and so must be the two other angles formed with the triangle's base to each one of the radii: so these triangles are equilateral.

The apothem divides equally each one of the equilateral triangles in two right triangles whose sides are circle's radius, apothem and half of the hexagon's side. Since the apothem forms a right angle with the hexagon's side and since the hexagon's side forms 60∘ with a circle's radius with an endpoint in common with the hexagon's side, we can determine the side in this fashion:

tan60∘=opposed cathetusadjacent cathetus => √3=Apothemside2 => side=(2√3)Apothem

As already mentioned the area of the regular hexagon is formed by the area of 6 equilateral triangles (for each of these triangle's the base is a hexagon's side and the apothem functions as height) or:

Shexagon=6⋅S△=6(base)(height)2=3(2√3)Apothem⋅Apothem=(6√3)(Apothem)2

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3 years ago
7. Evaluate this expression if x=-2*<br> 3x2 - 4x
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Answer: x=0 or x= -5/6

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