3 years ago

I need help with number 16 please.

Mathematics

1 answer:

Ugo [173]3 years ago

8 0

Do it ur self etc so don't ask me

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Find the midpoint of the segment formed by the points D(8, 6) and E(4, 10).

bixtya [17]

D (8, 6)
E (4, 10)

$x_{midpoint} = \cfrac{x_D+x_E}{2} = \cfrac{8+4}{2}=6 \\ \\ y_{midpoint} = \cfrac{y_D+y_E}{2} = \cfrac{6+10}{2}=8
$

Answer: B. (6, 8)

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3 years ago

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Vedmedyk [2.9K]

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3 years ago

Which of the following expressions is equal to -3X2-27?

ale4655 [162]

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Step-by-step explanation:

-3x^2-9xi+9ix-27

-3x^2-27

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3 years ago

Which ordered pairs make the inequality true?

tresset_1 [31]

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3 years ago

Find the missing length indicated. Leave your answer in simplest radical form.

musickatia [10]

Answer:

1). x = 81

2). x = 84

Step-by-step explanation:

1). By applying geometric mean theorem in the given triangle,

$\frac{x}{18\sqrt{14}}= \frac{18\sqrt{14}}{56}$

56x = (18√14)²

56x = 4536

x = $\frac{4536}{56}$

x = 81

2). By applying geometric mean theorem,

$\frac{x}{8\sqrt{21}}= \frac{8\sqrt{21} }{16}$

16x = (8√21)²

16x = 1344

x = $\frac{1344}{16}$

x = 84

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3 years ago