2 years ago

Help help help…. Please

Mathematics

1 answer:

AURORKA [14]2 years ago

8 0

The answer is (-3,4) your welcome

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Help please ! Need the answers

son4ous [18]

Answer:

$x=\frac{-5+\sqrt{13}}{6} or x=\frac{-5-\sqrt{13}}{6} (decimal: x=-0.23240 , x=-1.43425)$

Step-by-step explanation:

a = 3, b = 5, c = 1

plug into quadratic formula

8 0

3 years ago

There are 45 animals at the pet store. 12% are dogs, 24% are cats, 36% are fish, and 28% are other animals. Find the number of a

vivado [14]

Step-by-step explanation:

Dogs: 12% of 45= 5.4

Cats: 24% of 45= 10.8

Fish: 36% of 45= 16.2

Other: 28% of 45= 12.6

8 0

3 years ago

What does a siren have a lower pitch

jasenka [17]

Answer:

As the cars speed the loudness decreases for you to not really hear anything

8 0

3 years ago

Please help me I need help please

MakcuM [25]

Answer:

p = 4

Step-by-step explanation:

Given equation:

$x^2+(p-3)y^2-4x+6y-16=0$

Standard equation of a circle:

$(x-a)^2+(y-b)^2=r^2$

(where $(a,b)$ is the centre of the circle, and $r$ is the radius)

If you expand this equation, you will see that the coefficient of $y^2$ is always one.

Therefore, $p-3=1$

$\implies p=1+3=4$

Additional information

To rewrite the given equation in the standard form:

$\implies x^2+y^2-4x+6y-16=0$

$\implies x^2-4x+y^2+6y=16$

$\implies (x-2)^2-4+(y+3)^2-9=16$

$\implies (x-2)^2+(y+3)^2=16+4+9$

$\implies (x-2)^2+(y+3)^2=29$

So this is a circle with centre (2, -3) and radius √29

3 0

2 years ago

Jack is packing snacks for him and his three brothers. He bought 10 1/2 ounces of pretzels. He wants to put the pretzels into ba

Llana [10]

Answer:

3.5

Step-by-step explanation:

total pretzel=10 1/2 or10.5

no. of brother = 3

now,

10.5 pretzel for each borther= 10.5/3

=3.5 ans

3 0

3 years ago