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Mandarinka [93]
3 years ago
7

Math help plz i need help

Mathematics
2 answers:
WITCHER [35]3 years ago
6 0
I believe the answer is D.
REY [17]3 years ago
3 0
The answer is B. 127.5.
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Q1: Identify the graph of the equation and write an equation of the translated or rotated graph in general form.
marin [14]

Answer:

C. hyperbola; 9x^2-25y^2-250y-850=0

Step-by-step explanation:

The given conic has equation:

9x^2-25y^2=225

Divide through by 225.

\frac{9x^2}{225}-\frac{25y^2}{225}=\frac{225}{225}

\frac{x^2}{25}-\frac{y^2}{9}=1

This is a hyperbola centered at the origin.

The hyperbola has been translated from the origin to (0,5).

The translated hyperbola will have equation;

\frac{(x-0)^2}{25}-\frac{(y-5)^2}{9}=1

Multiply through by 225.

9(x-0)^2-25(y-5)^2=225

Expand

9x^2-25(y^2-10y+25)=225

9x^2-25y^2+250y-625=225

Rewrite in general form;

9x^2-25y^2+250y-625-225=0

9x^2-25y^2+250y-850=0

3 0
3 years ago
point P is located at (-2, 7), and point R is located at (1, 0). find the y value for the point Q that is located 2/3 the distan
natulia [17]

Answer: 7/3


Step-by-step explanation:

R-P= (3,-7). the displacement vector.

P+x(R-P) moves to x times distance between

P+(R-P) = R moves to 100% of the distance.

Q = P+2/3(R-P)

= (-2,7)+2/3(3,-7)

= (-2,7)+(2,-14/3)

= (0,7-14/3)

= (0,7/3)

= (0,2.3333...)

7 0
3 years ago
What is the domain of the function f(x) = x + 2 ? a.    all real numbers greater         than -2 b.    all real numbers greater
dsp73
The domain of the function is represented by option C. All real numbers.
3 0
3 years ago
Planes X and Y and points J, K, L, M, and N are shown. Exactly how many planes contain points J, K, and N? 0 1 2 3
defon
0, because 3 points make a line.
7 0
3 years ago
Read 2 more answers
Together 2 apples have 1/5 gram fat how many apples have a total of 4 grams of fat
dimulka [17.4K]

Answer:The answer is 40 apples.

Step-by-step explanation:

It takes 10 apples to make a gram of fat. Multiply the 10 apples by 4 grams of fat to find that it takes 40 apples to make 4 grams of fat.

3 0
3 years ago
Read 2 more answers
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