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3 years ago

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Duncan scored 5 points less than twice the number scored by Hines. Together they scored 43 points. How many points did each play

er score?

1 answer:

lesya692 [45]3 years ago

4 0

Answer:

S = 2D - 5

S + D = 43

D = 16, S = 27

Step-by-step explanation:

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How do you find the area of a triangle when given only the lengths of three sides?

SashulF [63]

Answer:

Use Heron's formula; see below.

Step-by-step explanation:

Use Heron's formula.

Let the sides of the triangle have lengths a, b, and c.

$s = \dfrac{a + b + c}{2}$

$area = \sqrt{s(s - a)(s - b)(s - c)}$

Example:

A triangle has side lengths 3, 4, and 5 units.

Find the area of the triangle.

$s = \dfrac{a + b + c}{2}$

$s = \dfrac{3 + 4 + 5}{2}$

$s = 6$

$area = \sqrt{s(s - a)(s - b)(s - c)}$

$area = \sqrt{6(6 - 3)(6 - 4)(6 - 5)}$

$area = \sqrt{6(3)(2)(1)}$

$area = \sqrt{36}$

$area = 6$

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2 years ago

The answer and you got it

Ksju [112]

It would be nice If I could read it better. The answer is C if is says angle 3 and angle 5.

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3 years ago

Please help I do not get

katen-ka-za [31]

Answer:

(a) 51%

(b) 41%

Step-by-step explanation:

We can simplify this problem down by realizing that the amount of girls over 200 will get us our percentage as a decimal.

Looking at this table, we can see that $30+72=102$ girls were asked. So, $102\div200=0.51$ , and $0.51\cdot100=51$ .

We can also see that $30+52=82$ people preferred video games, so $82\div200=0.41$ , and $0.41\cdot100=41$ .

Hope this helped!

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irina1246 [14]

Answer:

81.6

Step-by-step explanation:

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3 years ago