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Greeley [361]
3 years ago
8

Show that the points A(2, 2), B(5,7), C(-5, 13), and D(-8, 8) are the vertices of a rectangle.

Mathematics
1 answer:
mario62 [17]3 years ago
4 0

Answer:

Step-by-step explanation:

Using V as a substitute for √ is misleading. Better to write “square root of x”.

AC = BD = √170

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Please answer this and show your work please I really need help !!!
klemol [59]
Unless you just want to give money to the ice cream truck, for 0 items, you will pay 0.

Since the price of each item is $0.77, for one item you will pay $0.77. (Is that a surprise?)

Then for two items, you will pay $0.77 for each one, or $0.77 + 0.77 = $1.54. You can also compute this by making use of the fact that multiplication is a shortcut for repeated addition. The price can be found by $0.77×2 = $1.54 = f(2).

Similarly, for 3 items, you can add $0.77 three times: $0.77 + 0.77 + 0.77 = f(3), or you can use multiplication: $0.77×3 = $2.31 = f(3).

a) Our table looks like
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b) By now, I'm sure you have realized that to find the price of x items, you multiply 0.77 by x.
  f(x) = 0.77x
8 0
3 years ago
Write 9/20 as a decimal
Oksanka [162]

Answer:

0.45

Step-by-step explanation:

Divide 9 by 20.

6 0
3 years ago
May someone please help me with question 6 and 7?
svetlana [45]
Lowest wind chill temperature on Monday was 1/4(-36) = -9 F

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HELP!!! 15 points. picture below
vlada-n [284]

Step-by-step explanation:

\sin( \alpha )  =  \frac{ \sqrt{5} }{3}  \\  \alpha  = 48.19 \: degrees  \\   \cos( \alpha )  =  \frac{2}{3}

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patriot [66]
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