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stepan [7]
3 years ago
15

A hyperbola centered at the origin has a vertex at (9, 0) and a focus at (−15, 0).

Mathematics
2 answers:
konstantin123 [22]3 years ago
7 0

Answer:

C

Step-by-step explanation:

e-lub [12.9K]3 years ago
4 0
Hyperbola equation opening horizontally:
\frac{x^2}{a^2} - \frac{y^2}{b^2} = 1
Asymptotes:
y = \pm \frac{b}{a} x

'a' is distance vertex is from center --> a = 9
'c' is distance focus is from center  --> c = 15
a^2 + b^2 = c^2 \\  \\ b^2 = 15^2 - 9^2 = 144 \\  \\ b = 12

Asymptotes are:
y = \pm \frac{12}{9} x = \pm \frac{4}{3} x
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A worker gets paid overtime at the rate of normal time plus one third. One week he works 40 hours of normal time and 6 hours ove
Leya [2.2K]

Answer:

$ 720

Step-by-step explanation:

Normal time $ 15

Overtime: 15 x 1/3 = $5 + $15 = $20

(40 x 15) + (6 x 20) = 600 + 120

5 0
2 years ago
Which equation represents a line parallel to 3x-8y=12?
TEA [102]

Answer:

B. y = -3/8x - 4

Step-by-step explanation:

Given equation: 3x - 8y = 12

Find a parallel line that matches one of the equations shown.

First, find the slope by solving for y:

3x - 8y = 12

8y = -3x + 12

y = -3/8x + 12/8

y = -3/8x + 3/2

Slope m = -3/8

Since the slope of a line parallel is the same slope, the only equation that fits the conditions is B because in the form y = mx + b, m = -3/8

5 0
3 years ago
Help<br> Please thanks!!!!
expeople1 [14]
6 i believe but im not sure
5 0
3 years ago
16 divided 18 = 3 divided n
dedylja [7]
16/18=3/n
8/9=0.88888888 recurring
0.8888888 recurring*3=2 2/3
n=2 2/3
7 0
3 years ago
Read 2 more answers
If you mix 1 cup of chocolate chips and 1 cup of raisins what is the percentage of chocolate chips
algol13

Answer:

50%

Step-by-step explanation:

50% because when there is only 2 variables and they are each 1 cup there is an even amount of stuff and when you ask for only one percentage that would be 50% because everything is even. Even if you asked for the percentage for the cup of raisins it would also be 50%. Hope this helps <3

4 0
3 years ago
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