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V125BC [204]
2 years ago
14

This shake is made from five congruent triangles. Find the total area of the shape

Mathematics
1 answer:
erik [133]2 years ago
8 0

Area of one triangle = A  =  \frac{a·b}{2}   =  \frac{6 \times 3}{2}     =  \frac{18}{2}  = 9 {cm}^{2} \\

For 5 triangles = 9 \times 5 = 45 {cm}^{2}

<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em>

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Brahmagupta’s solution to a quadratic equation of the form ax2 + bx = c involved only one solution. Which solution would he have
zlopas [31]

Answer:

0.897

Step-by-step explanation:

Brahmagupta formula for quadratic equation ax^2+bx=c is

x=\dfrac{\sqrt{4ac+b^2}-b}{2a}

It involved only one solution.

The given equation is

3x^2+4x=6

Here, a=3, b=4 and c=6. Put these values in the above formula.

x=\dfrac{\sqrt{4(3)(6)+(4)^2}-4}{2(3)}

x=\dfrac{\sqrt{4(3)(6)+(4)^2}-4}{2(3)}

x=\dfrac{\sqrt{72+16}-4}{6}

x=\dfrac{\sqrt{88}-4}{6}

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Therefore, the required solution is 0.897.

7 0
3 years ago
596 divided by 3 using long divison
Basile [38]

Answer:

198.6 with the remaining 6

Step-by-step explanation:

596/3

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596/3 = 198.67 in 2 decimal places

596/3 = 198.7 to the nearest tenth

596/3 = 198.67 to the nearest hundredth

596/3 = 198.667 to the nearest thousandth

3 0
3 years ago
Alfonso leans a 20 ft ladder long against the wall with a base of 6 feet from the wall. How far up the wall does the ladder reac
jolli1 [7]

Answer:

19.1 ft

Step-by-step explanation:

-This a Pythagorean theorem problem given by the function:

b^2+h^2=H^2

Where

H is the Hypotenuse length

h is the perpendicular height

b is the base length.

#Given that H=20 ft and base length,b =6 ft, the perpendicular height is calculated as:

h^2+b^2=H^2\\\\h^2=H^2-b^2\\\\h^2=20^2-6^2=364\\\\h=\sqrt{364}\\\\=19.0788\approx 19.08\ ft\approx 19.1 \ ft

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5 0
3 years ago
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sergejj [24]
The answer is twentysix
6 0
3 years ago
One roll of yarn is used to make 1/5 of a blanket. How many rolls would you use in order to make 65 blankets?
vekshin1
325 rolls of yarn. it takes 5 rolls to make one blanket.
so 5 x 65= 325 rolls of yarn

7 0
3 years ago
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