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Talja [164]
3 years ago
6

98 POINTS AND BRAINLIEST

Mathematics
2 answers:
Lelechka [254]3 years ago
6 0

Answer:

y=-4x^2+9x+9

Step-by-step explanation:

1st: we assume the equation will be in standard form (ax^2+bx+c)

2nd: since the graph passes through (0,9) then the y-intercept is @(0,9) or your c is 9.

3rd: since it passes through (2,11) then 11=4a+2b+c

4th: since it also passes through (3,0) then 0=9a+3b+c

* so we have c=9, 11= 4a+2b+c, and 0= 9a+3b+c*

So a=-4, b=9, c=9

plug in the numbers and you get y= 4x^2+9x+9

Hope this helps you. :3

Ilia_Sergeevich [38]3 years ago
4 0

Answer:.

.

Step-by-step explanation:

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4 0
3 years ago
What is .65% of 160? Show your work
vladimir2022 [97]
0.65/100 = x/160 Ok, until now?

You then find the cross product: (0.65)(160) = 100x

104 = 100x        104/100 = 1.04

So x = 1.04 and it is also 0.65% of 160


Hope this helps!
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How many parallelograms are in an octagonal prism?
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Please i need help with this one​
swat32

Answer:

Step-by-step explanation:

use formula

F = 1/2*sqrt[ 4* r^2 -CD^2 ]  

F = 4.4721

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