3 years ago

PLEASE HELP!! 8th grade

Mathematics

1 answer:

schepotkina [342]3 years ago

4 0

-1.5 !! this is easy hope this helps

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Can someone please help me it would mean a lot thank you.

Lubov Fominskaja [6]

Answer:

1: 0

2: 2

3: 8

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5: -19

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12: 20

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Step-by-step explanation:

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6 0

3 years ago

Read 2 more answers

Find CD if C(0,3) and D(4,7)

MakcuM [25]

$C(0,3) \\
x_1=0 \\
y_1=3 \\ \\
D(4,7) \\
x_2=4 \\
y_2=7 \\ \\
\overset{\underline{\ \ \ \ }}{CD} =\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}=\sqrt{(4-0)^2+(7-3)^2}= \\
=\sqrt{4^2+4^2}=\sqrt{16+16}=\sqrt{16 \times 2}=4\sqrt{2} \\ \\
\boxed{\overset{\underline{\ \ \ \ }}{CD} = 4\sqrt{2}}$