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3 years ago

Help me with question 3 for brainliest

Mathematics

1 answer:

Jet001 [13]3 years ago

3 0

Answer:

1. y>2x+1

2. The dots and the marked zone over the line indicates that it is a ">"

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Whats the gcf of n^3t^2 and nt^4

melomori [17]

$GCF-Greatest\ Common\ Factor\\\\n^3t^2=nt^2\cdot n^2\\nt^4=nt^2\cdot t^2\\\\GCF(n^3t^2;\ nt^4)=\boxed{nt^2}$

4 0

2 years ago

If (8, −9) and (6, −3) are the endpoints of the diameter of a circle, what is the equation of the circle?

Umnica [9.8K]

$(x-7)^{2} + (y+6)^{2} = 10$ is the equation of the required circle.

Step-by-step explanation:

Step 1 :

Let A = (8,-9) and B = (6,-3) be the endpoints of the diameter of the given circle.

We need to determine the circle's equation with this diameter

Step 2 :

The mid point of the diameter will be center of the required circle.

Let M = (x,y) be the mid point of the circle.

So we have x = (8+6)÷ 2 , y = ((-9) + (-3)) ÷ 2

M = ( 7, -6) is the midpoint of the diameter and the center of the circle.

Step 3 :

The radius of the circle is distance between midpoint and any one of the end point of the diameter that is distance between point A(8,-9) and M ( 7,-6)

Distance between the 2 points $(x_{1} ,y_{1}) and (x_{2} ,y_{2})$ is given by

$\sqrt{(x_{2}-x_{1})^{2}+ (y_{2}-y_{1})^{2} }$

So distance between A(8,-9) and M ( 7,-6) = $\sqrt{(7-8)^{2}+ (-6-(-9))^{2} }$

= $\sqrt{(1)^{2}+ (3)^{2} } = \sqrt{10 }$

Hence the radius r is $\sqrt{10}$

Step 4 :

The equation of circle with center (a,b) = (7,-6) and radius r = $\sqrt{10}$ is given by

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

=> $(x-7)^{2} + (y-(-6))^{2} = (\sqrt{10} )^{2}$

=> $(x-7)^{2} + (y+6)^{2} = 10$ is equation of the required circle.

Step 5 :

Answer :

$(x-7)^{2} + (y+6)^{2} = 10$ is equation of the required circle.

7 0

3 years ago

Select ALL of the trips that would take 2 hours.

Luba_88 [7]

Answer:

The answer, also the only answer, is C.

Step-by-step explanation:

A: 20 is 1/2 of 40, so you would arrive at Seneca Falls in half an hour.

B: Same as a, 2 is 1/2 of 4, so you would also arrive to school in half an hour.

C: 60 is double 30, so it would take two hours to get from Albany to New York City.

5 0

2 years ago

Read 2 more answers

kozerog [31]

Answer:

True

Step-by-step explanation:

3 0

3 years ago

A. addition property of equality

Masteriza [31]

Division property of equality

8 0

3 years ago