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IRISSAK [1]
3 years ago
7

What is the answer 4d+12e=

Mathematics
1 answer:
Phantasy [73]3 years ago
8 0

Answer:

d = -3e

Step-by-step explanation:

hope this helps

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Graph the hyperbola with equation quantity x minus 1 squared divided by 49 minus the quantity of y plus 3 squared divided by 9 e
Sliva [168]

Answer:

See attached diagram

Step-by-step explanation:

You are given the equation of hyperbola

\dfrac{(x-1)^2}{49}-\dfrac{(y+3)^2}{9}=1

From this equation,

  • the center of hyperbola is at point (1,-3);
  • the real semi-axes a^2=49\Rightarrow a=7;
  • the imaginary semi-axes b^2=9\Rightarrow b=3.

Draw two parallel lines x=1 and y=-3 (they intersect at the center of hyperbola), then on horizontal line match two hyperbola's vertices (7 units to the left and 7 units to the right from the center). Then draw two branches of hyperbola (one in negative direction and one in positive direction).

3 0
4 years ago
Dane is 10 times Brian's age. The difference in their age is 27, how old is Brian
WARRIOR [948]
Brian is 3 years old.
Hope this helps!
3 0
3 years ago
Read 2 more answers
You have a bucket with 7 green ping pong balls, 13 black ping pong balls, and 9 red ping pong balls.
elixir [45]

Answer:

Step-by-step explanation:

A. In each drawing, the odds of choosing green is 7 / (7 + 13 + 9) = 7/29

with replacement, the odds in each drawing are the same

7/29•7/29•7/29 = 7³/39³ = 343 / 24,389

B.

Odds of drawing all non black balls is the sum of odds of drawing the following possible patterns

 ggg  +   ggr   +   grg   +   rgg  +   rrg   +    rgr   +    grr   +   rrr

(7•6•5 + 7•6•9 + 7•9•6 + 9•7•6 + 9•8•7 + 9•7•8 + 7•9•8 + 9•8•7) / 29•28•27 = 3,360/21,924

3 0
3 years ago
What are the common denominators of 7/9 and 5/6
densk [106]

Answer:

18 and 54

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Pine Bluff Middle School is having its annual Spring Fling dance, which will cost $400. The student treasurer reported that the
erica [24]
Each ticket = 4t
75 left over
Must be equal to or greater than 400

The inequality would be
4t + 75 ≥ 400
4 0
3 years ago
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