3 years ago

HELP PLEASE! I DONT GET THIS AND ITS ALSO DUE TOMORROW!!!

Mathematics

2 answers:

Bad White [126]3 years ago

6 0

Slope intercept form is y=mx+b. M is always the slope and b is the y intercept.

ella [17]3 years ago

5 0

:(( I’m not sure on this one I’m sorry

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The company is building a scale model of the theater's main show tank for an investor's presentation. Each dimension will be mad

Ede4ka [16]

Answer:

This means the mock-up tank has a volume 216 times smaller than the initial tank.

Step-by-step explanation:

The ratio between volume is given by

$\frac{V_2}{V_1}=\frac{(1/6)L^{3} }{L^{3}} =\frac{1}{216}$

This means the mock-up tank has a volume 216 times smaller than the initial tank.

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Seth buys last year's best-selling novel, in hardcover, for $13.30$⁢13.30. this is with a 30%30% discount from the original pric

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3 years ago

How to classify this conic ecwation 4x^2+9y^2-54y-63=0

MArishka [77]

This looks like an ellipse.
Complete the square for y: 9(y²-6y-7)=9(y²-6y+9-9-7)=9((y-3)²-16).
Rewrite the equation:
4x²+9(y-3)²-144=0; 4x²/144+9(y-3)²/144=1; x²/36+(y-3)²/16=1.
Standard equation of an ellipse is (x-h)²/a²+(y-k)²/b²=1, where (h,k) is the origin or centre.
This is the equation of an ellipse with centre (0,3), a=6 and b=4 (semimajor and semiminor axes).

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