1 year ago

How many triangles are there

Mathematics

1 answer:

Dvinal [7]1 year ago

7 0

Answer:

<h2><u><em>24 triangles</em></u></h2>

Step-by-step explanation:

in the picture

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A sample proportion is always equal to the corresponding population proportion

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The perimater of the triangle is 30cm. its sides are in the ratios 1:3:2, then find its sides

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Answer:

1 * 5 = 5cm

3 * 5 = 15cm

2 * 5 = 10cm

Step-by-step explanation:

1+3+2 = 6

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Answer:

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Step-by-step explanation:

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2)Probability that A and C fails

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3 years ago

Negative 33 divided 11 as a fraction

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-33 / 11 = ?

-33/11

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What are the roots of the quadratic equation 2x2+7x+4=0? Select all that apply.

skad [1K]

Answer:

option A and B

$x=\frac{-7+\sqrt{17}} {4}$

and

$x=\frac{-7-\sqrt{17}} {4}$

Step-by-step explanation:

we have

$2x^2+7x+4=0$

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

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$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$2x^2+7x+4=0$

$a=2\\b=7\\c=4$

substitute in the formula

$x=\frac{-7\pm\sqrt{7^{2}-4(2)(4)}} {2(2)}$

$x=\frac{-7\pm\sqrt{17}} {4}$

$x=\frac{-7+\sqrt{17}} {4}$

and

$x=\frac{-7-\sqrt{17}} {4}$

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2 years ago

How many triangles are there​

How many triangles are there