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Evgen [1.6K]
3 years ago
15

Find the distance between C=(7,-4) and D=(-8,-5)

Mathematics
1 answer:
Anna35 [415]3 years ago
4 0

Answer:

\/226 is te exact form

Step-by-step

/(x2-x1)^2 +(y2-y1)^2

/((-8)-7)^2 + ((-5)-(-4))^2

/226

Decimal form is 15.03329637

So 15.03

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Rewrite, using the distributive<br> property.<br> 5(2x – 3y) = [?]* - [ ]y
olchik [2.2K]

Answer:

10x-15y

Step-by-step explanation:

So, when they say use the distrubutive property, they basically mean turning this:

a(b+c)

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ab+ac

So in this case, it would be:

5(2x-3y)

And we will turn it into:

10x-15y

ANother way to think about it is we are multiplying 2x by 5, and -3y by 5. So:

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10x

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-3y*5

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Then we can combine these two:

10x-15y

Hope this helps!

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3 years ago
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Answer:

32x+20

Step-by-step explanation:

4*8x+4*5=

32x+20

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Answer:

the area = 36.7

Step-by-step explanation:

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Where does the graph of y=-3x-18 intersect with the x axi
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Intersect with x axis indicates that x value would be Zero

Thus when x = 0 

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Therefor intersection would be at (0,-18)
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If A=30°, a=12, b=28 how many triangles can be constructed?
Fofino [41]

Check the picture below.

recall the ambiguous SSA case, as the "12" side moves, it ends up with two supplementary angles on the base.

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