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rewona [7]
3 years ago
12

WILL GIVE BRAINLIEST ANSWER !! NEED HELP QUICK !!

Mathematics
1 answer:
k0ka [10]3 years ago
8 0

Answer:

its letter A

Step-by-step explanation:

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Olegator [25]

Answer:

nopee sorry

Step-by-step explanation:

8 0
3 years ago
What's 57.5 times 18.5?
Rudik [331]

Answer:

1063.75

Step-by-step explanation:

That’s your final answer brother :)

5 0
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Read 2 more answers
Two negative integers have a sum of -12 and a
emmainna [20.7K]

Answer:

The two integers are -1 and -11

Step-by-step explanation:

If you add -1 to -11, you would apply the rule of adding negatives (add then put the sign of the larger number). 11+1=12. They are both negative, so it would then become -12. -1 X -11=11 because when multiplying negatives, two of the same sign are positive

7 0
3 years ago
the eccentricity of a hyperbola is defined as e=c/a. find an equation with vertices (1,-3) and (-3,-3) and e=5/2
Ksivusya [100]

Answer:

\frac{(x + 1 )^{2} }{4} - \frac{(y + 3 )^{2} }{21} = 1.

Step-by-step explanation:

If (α, β) are the coordinates of the center of the hyperbola, then its equation of the hyperbola is \frac{(x - \alpha )^{2} }{a^{2} } - \frac{(y - \beta )^{2} }{b^{2} } = 1.

Now, the vertices of the hyperbola are given by (α ± a, β) ≡ (1,-3) and (-3,-3)

Hence, β = - 3 and α + a = 1 and α - a = -3

Now, solving those two equations of α and a we get,  

2α = - 2, ⇒ α = -1 and

a = 1 - α = 2.

Now, eccentricity of the hyperbola is given by b^{2} = a^{2}(e^{2}  - 1) = 4[(\frac{5}{2} )^{2} -1] = 21 {Since e = \frac{5}{2} given}

Therefore, the equation of the given hyperbola will be  

\frac{(x + 1 )^{2} }{4} - \frac{(y + 3 )^{2} }{21} = 1. (Answer)

6 0
3 years ago
Plzzzzzzzzzzzzzzzzzzzz helppppppppppppppp<br><br> 12 dived 1 1/2
balandron [24]

Answer:

8

Step-by-step explanation:

Hope this helped, Have a Wonderful Day!!

8 0
3 years ago
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