2 years ago

Select the correct answer.

Mathematics

1 answer:

Veseljchak [2.6K]2 years ago

3 0

Answer:

Step-by-step explanation:

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The vertices of ABC are A(-2, 2), B(6,2), and CO, 8). The perimeter of ABC?

Alexxx [7]

Answer:

Perimeter = 22.809836694575

Step-by-step explanation:

A(-2, 2) ; B(6,2) ; C(0, 8)

$AB=\sqrt{\left( 6--2\right)^{2} +\left(2-2 \right)^{2} } =\sqrt{64} =8$

$AC=\sqrt{\left( 0--2\right)^{2} +\left(8-2 \right)^{2} } =\sqrt{40} =2\sqrt{10}$

$BC=\sqrt{\left( 0-6\right)^{2} +\left(8-2 \right)^{2} } =\sqrt{72} =6\sqrt{2}$

Then

The perimeter of ΔABC = AB + BC + AC

$=8+6\sqrt{2} +2\sqrt{10}$

= 22.809836694575

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2 years ago

Rewrite as a simplified fraction.<br> 3.1 = ?<br> Your answer should be

GaryK [48]

Answer:

3 1/10 or 31/10

Step-by-step explanation:

The on is in the tenths place making the fraction out of ten.

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3 years ago

Harvey the wonder hamster can run 3 1/6 km in 1/4 hour find his average speed in kilometers pe hour

iren2701 [21]

there are 4 quarters to 1 hour

3 1/6 x 4 =

19/6 * 4 = 76/6 = 12 4/6, reduces to 12 2/3 km per hour

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3 years ago

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sp2606 [1]

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Step-by-step explanation:

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3 years ago

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A triangle has a perimeter of 102 yards. The first side is twice the length of the second side. The third side is 6 yards longer

lana66690 [7]

Answer:

48,24,30

Step-by-step explanation:

Let, the length of second side be x

A/c to question,

first side (a) = 2x

second side (b) = x

third side (c) = x + 6

Perimeter of ∆ (p) = 102

And,

Perimeter of ∆ = a + b + c

102 = 2x + x + x + 6

102 - 6 = 4x

96 = 4x

x = 96/4

x = 24

Now,

first side = 2*24 = 48

second side = 24

third side = 24 + 6 = 30

4 0

2 years ago