3 years ago

Please help with this equation!! ASAP x + 10 < 0.1 or y + 10 > 9.9

Mathematics

1 answer:

Andru [333]3 years ago

8 0

I need more information!

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Y−3=2(x+1) <br><br> Find The Value of -1

murzikaleks [220]

Answer:

Step-by-step explanation:

I'm assuming you're saying the value of x is -1?

y-3=2(-1+1)

y-3=2(0)

y-3=0

y=3

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3 years ago

Reflection in the y-axis is true or false?

Pani-rosa [81]

the answer is false because it can be in the Y or the X axis

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3 years ago

This hyperbola is centered at theorigin. Find its equation.Foci: (-2,0) and (2,0)Vertices: (-1,0) and (1,0)

beks73 [17]

SOLUTION

From the question, the center of the hyperbola is

$\begin{gathered} (h,k),\text{ which is } \\ (0,0) \end{gathered}$

a is the distance between the center to vertex, which is -1 or 1, and

c is the distance between the center to foci, which is -2 or 2.

b is given as

$\begin{gathered} b^2=c^2-a^2 \\ b^2=2^2-1^2 \\ b=\sqrt[]{3} \end{gathered}$

But equation of a hyperbola is given as

$\frac{(x-h)^2}{a^2}-\frac{(y-k)^2}{b^2}=1$

Substituting the values of a, b, h and k, we have

$\begin{gathered} \frac{(x-0)^2}{1^2}-\frac{(y-0)^2}{\sqrt[]{3}^2}=1 \\ \frac{x^2}{1}-\frac{y^2}{3}=1 \end{gathered}$

Hence the answer is

$\frac{x^2}{1}-\frac{y^2}{3}=1$

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1 year ago

Asking again because last time I didnt get an actual answer. What is the surface area of this composite figure?

Katyanochek1 [597]

Answer:

644 cm^2

Step-by-step explanation:

10*7*2+12*7*2+12*10=140+168+120=428

10*12-3*3=111

428+111=539

8*3*4+3*3=96+9=105

539+105=644

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3 years ago

In a singing contest, about 1/20 of the finalists came from Austin, Texas, and about 3/20 came from the state of Texas. What fra

Pie

It is d 1/3
That I saw the answer for your question

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3 years ago