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Anastaziya [24]
3 years ago
6

Help !!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
7 0

Answer:

D. No function.

Step-by-step explanation:

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Solve this pls. ill give a brainly
Levart [38]

Answer:

-3 1/4 + 4 3/4

Step-by-step explanation:

3 0
3 years ago
How can you estimate 1,506÷2 so that it is close to the actual answer of 753?
Makovka662 [10]
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3 years ago
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17/20 - 2/15= ????????????????????
inn [45]

Answer:

Step-by-step explanation:

43/60

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3 years ago
Find an equation in standard form for the hyperbola with vertices at (0, ±9) and foci at (0, ±11)
Katen [24]

Answer:

\frac{y^{2} }{81} -\frac{x^{2} }{40} }=1 is standard equation of hyperbola with vertices at (0, ±9) and foci at (0, ±11).

Step-by-step explanation:

We have given the vertices at (0, ±9) and foci at (0, ±11).

Let (0,±a)  = (0,±9) and (0,±c)  = (0,±11)

The standard equation of parabola is:

\frac{y^{2} }{a^{2} } -\frac{x^{2} }{b^{2} }=1

From statement, a  = 9

c² = a²+b²

(11)²  = (9)²+b²

121-81  = b²

40  = b²

Putting the value of a² and b² in standard equation of parabola, we have

\frac{y^{2} }{81} -\frac{x^{2} }{40} }=1 which is the answer.

3 0
3 years ago
5.) There are 40
Marina86 [1]
50 dogs and 10 cats
This creates a 5:1 ratio and allows there to be 40 more dogs than cats. 50-10 equals 40
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3 years ago
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