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lakkis [162]
3 years ago
9

I need help with all these ASAP !!!!! Form three to six

Mathematics
1 answer:
maxonik [38]3 years ago
6 0
3) 180-32= 148°

4) x = 142°

5) 3x+2x = 90°
5x =90°
x= 90/5
x = 18°

6) 180 = 6x + x
180 +2 = 7x
182/7 =x
26° = x
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The area of the rectangle is 40% larger than the area of the triangle.What is the length ,L, of the rectangle?
Nezavi [6.7K]

Answer:

10 units

Step-by-step explanation:

Area of the triangle (A') = 1/2bh

A' = 1/2bh............ Equation 1

Where b = base of the triangle, h = height of the triangle

From the diagram,

Given: b = 12.5 unit, h = 4 unit

Substitute into equation 1

A' = 1/2(12.5)(4)

A' = 25 squared unit.

Also,

Area of the rectangle (A) = Lenght(L)×width(w)

A = Lw............ Equation 2

From the question,

If the area of the rectangle is 40% larger than the area of the triangle

Therefore,

A = 1.4A'

A = 1.4(25)

A = 35 squared unit.

Also given: w = 3\frac{1}{2} = 7/2

Substitute into equation 2

35 = L×7/2

7L = 35×2

7L = 70

L = 70/7

L = 10 units

3 0
3 years ago
The radius of the Earth is roughly twice the radius of the planet Mars. Raj claims that the volume of the Earth must therefore b
Volgvan
The claim is incorrect. Treating the planets as basic spheres, the formula of the volume of a sphere states that volume = (4/3)(pi*r^3), where r is the radius. Since r is raised to the power of three, then doubling the radius would result in a volume that is 8 times larger than the original.
5 0
3 years ago
Satelite Corporation projects a year-end net income of $64,722. The net income represents 40% of its projected annual sales. Wha
Goryan [66]

Answer:

The projected annual sales of Satelite Corporation are $ 161,805.

Step-by-step explanation:

Given that Satellite Corporation projects a year-end net income of $ 64,722, and that the net income represents 40% of its projected annual sales, to determine the amount of the projected annual sales of the company the following calculation must be performed:

40 = 64.722

100 = X

(100 x 64,722) / 40 = X

6,472,200 / 40 = X

161.805 = X

Therefore, the projected annual sales of Satelite Corporation are $ 161,805.

4 0
2 years ago
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tatyana61 [14]
The answer is 3/4 I guess
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3 years ago
Graph the equations to solve the system. y=-1/2x y=-1/3x+1
Pachacha [2.7K]

Answer:

The solution to the system of equations is (-6, 3)

Step-by-step explanation:

Plot both lines on a graph, find where they intersect IF they even intersect at all like in this case, and boom there's your answer. Hope that helps and have a good rest of your day.

3 0
3 years ago
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