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Greeley [361]
3 years ago
5

Please Help!!!!!!! No stupid answers

Mathematics
2 answers:
Anastasy [175]3 years ago
8 0
A: 2m is 6m shadow. So the shadow is 3 times the object. Therefore 360 shadow to find the person will be 360/3 or 120.
B: so 1:0.8 8.5 is what? So the first part (1) is multiplied by 8.5 so you need .8 times 8.5. 6.80 is your answer.
Snowcat [4.5K]3 years ago
6 0
A. The ratio of the person's shadow to their height is 6:2 or 3:1, so the height of the shadow is 360/3 or 120 m.
B. The model car's length divided by the ratio to the real car, which is 8.5/0.8 = 10.625 cm long.
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\huge{ \boxed{ \sf{ {x}^{2}  - x + 18}}}

Step-by-step explanation:

\underline{ \text{Given}}:

\sf{f(x) =  {x}^{2} +9  \: and \:  g(x) = x-9}

\underline{ \text{To \: find}} :  \sf{ \: f(x) \:  -  \: g(x)}

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\mapsto{ \sf{ {x}^{2}  + 9 - ( x  - 9)}}

While subtracting , sign of each term of the second expression changes.

\mapsto{ \sf{ {x}^{2}  + 9 - x + 9}}

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\mapsto{ \boxed{ \sf{{x}^{2}  - x + 18}}}

Hope I helped!

Best regards! :D

~\text{TheAnimeGirl}

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