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zalisa [80]
3 years ago
11

Solve 4x^2-16x-84 by factoring, completing the square and, by quadratic formula(show work)

Mathematics
1 answer:
JulsSmile [24]3 years ago
7 0
The answer is in the picture

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Please answer I am struggling
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(For question 1 you have to do it yourself, get a ruler and measure the actual length of the drawing, then multiply it by 8 to get the actual dimensions in the exercise. )

Example, if you measure 4 inches, the actual dimension will be 4 x 8 = 32 ft

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Model : 3ft ; 7m
Actual : 15ft ; 35m (corresponding)

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Model : 4yd ; 2.5 cm

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The model is 3 inches, and the actual rose is 18 inches -> The scale of the drawing is 6. (enlargement)

Same goes to the scale factor, but this time is the quotient of the corresponding side -> 3 : 18 = 1:6.

(If I got any parts wrong just tell me, I actually kinda forgot these kind of stuff)


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3 years ago
What is the explicit formula for this sequence? -6,-2,2,6,10...
MrRissso [65]

Answer:

4

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For each number, you have to keep adding a positive 4 to get the next number in he sequence.

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please mark as brainliest thank you

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