2 years ago

What is the graph of x^2/9-y^2/4=1

Mathematics

1 answer:

adell [148]2 years ago

3 0

Answer:

A is the answer.

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Scorpion4ik [409]

Answer:
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Step-by-step explanation:

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1 year ago

Find the coordinates of the midpoint of a segment with the endpoints (16,5) & (28,-13)

frutty [35]

$\text{The formula of the midpoint of a segment with the end points:}\\\\A(x_A;\ y_A)\ \text{and}\ B(x_B;\ y_B)\\\\M_{AB}=\left(\dfrac{x_A+x_B}{2};\ \dfrac{y_A+y_B}{2}\right)$

$\text{We have:}\\A(16;\ 5)\to x_A=16;\ y_A=5\\B(28;\ -13)\to x_B=28;\ y_B=-13\\\\\text{substitute:}\\\\M_{AB}=\left(\dfrac{16+28}{2};\ \dfrac{5+(-13)}{2}\right)=\left(\dfrac{44}{2};\ \dfrac{-8}{2}\right)=(22;\ -4)$

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2 years ago

Two positive numbers have a difference of 5. the larger number is one more than twice the smaller. find the two numbers.

Andru [333]

Let the numbers be x and y with x being the larger number.

Given,

x - y = 5

x = 5 + y

Also given,

x = 1 + 2y

5 + y = 1 + 2y

y = 4

x = 5 + y = 9

Hence, the two numbers are 9 and 4.

5 0

3 years ago

Solve the system: 2x – 6y + 4z = 3 <br> -3x + 9y – 6z = -3 <br> 5x – 15y + 10z = 5

mel-nik [20]

Answer:

Step-by-step explanation:

i hope this is right, I did the math

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3 years ago

How to do label tape diagram to subtract tens

irinina [24]

100

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2 years ago

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