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3 years ago

8

(8,3), (-7, -7), and (8,-7) are the three vertices of a triangle. Use the coordinate plane to find the area of the triangle. Ans

wer:

1 answer:

Andrej [43]3 years ago

6 0

Answer:

75 units²

Step-by-step explanation:

Determine the lengths of the sides, then use Heron's Formula to calculate the area.

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Semenov [28]

$f(-3)=-8\cdot(-3)^2\\
f(-3)=-8\cdot9\\
f(-3)=-72
$

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3 years ago

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Nora is in the business of manufacturing phones. She must pay a daily fixed cost to rent the building and equipment, and also pa

vaieri [72.5K]

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Answer:

c = 150p + 1000

Step-by-step explanation:

We know the variable cost is 150 per phone, so the total cost will be ...

c = 150p +b . . . . for some value b

We also know the value of c for 8 phones, so we can find b:

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2200 -1200 = b = 1000

Then the desired equation is ...

c = 150p + 1000

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3 years ago

What is the common ratio of the geometric<br> sequence below?<br> -5, -10, -20, -40, -..

andrew11 [14]

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3 years ago

Which equation correctly applies the distributive property?

lesantik [10]

Answer: Option 'A' is correct.

Step-by-step explanation:

Since we have given that

Distributive law is defined as

$a\times (b+c+d)=a\times b+a\times c+a\times d$

According to option'A', we get that

a =- 3

b = 6

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d = 0.08

So, it becomes,

$-3\times (6.48)=-3\times 6+(-3)\times 0.4+(-3)\times 0.08$

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3 years ago

What is the radius and the diameter of 4.2

alekssr [168]

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