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frozen [14]
3 years ago
14

Please help me with this problem​

Mathematics
1 answer:
maksim [4K]3 years ago
6 0

Answer:

A

Step-by-step explanation:

In standard form, an ellipse's major axis is indicated by the a^{2}, b^{2} terms like this:

\frac{{(y-k)}^{2}}{a^{2}}+\frac{(x-h)^{2}}{b^{2}}, a>b

\frac{{(x-h)}^{2}}{a^{2}}+\frac{(y-k)^{2}}{b^{2}}, a>b

In the top equation, the vertical axis is primary and in the second the horizontal axis is primary. That's a bit more info than the question asked, but I thought it may be helpful to understand the answer.

Now, a co-vertex is the intersection point between an ellipse and its minor axis. On the graph of the ellipse, the b is the distance from the center to where the ellipse intersects its minor axis, so our answer is A.

If a graphical representation would be helpful, I would take a look at the Math Warehouse article on the Equation of an Ellipse in Standard Form.

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Write an equation in slope-intercept form for a line that passes through the given pair of points. (-6,5), (-9,0)
11111nata11111 [884]
Slope intercept form is y=mx+b  because m=slope and b=y-intercept hence "slope intercept form"...

m=deltay/deltax=(0-5)/(-9--6)=-5/-3=5/3 so far we have now:

y=5x/3 +b, using any point, I'll use (-9,0) we can now solve for b or the y-intercept...

0=-9(5)/3 +b

0=-15+b, so b=15 and our line is:

y=5x/3 + 15 or more neatly

y=(5x+45)/3
4 0
3 years ago
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anzhelika [568]

Answer:

a) 42°F < x < 176°F

b) The inequality graph is attached.

c) No, This is because at 20° F benzene would not be in liquid form but in solid form.

Step-by-step explanation:

According to the Question,

a) For the benzene to remain in liquid form, the temperature of benzene must be less than the boiling point and greater than the boiling point. Let x be the temperature of benzene, For benzene to remain as liquid, its temperature must be between:

42°F < x < 176°F

b) The inequality graph is attached. The graph shows that the temperature of benzene must be between 42°F and 176°F so that it would be a liquid. The Closed circles represent that it is greater than 2.

c) No, This is because at 20° F benzene would not be in liquid form but in solid form. Because the temperature cannot go below 42 before it freezes, she would not have been able to conduct her research .

5 0
3 years ago
PLSS HELPP WHAT THE ANSWERRR!!:)
Pani-rosa [81]

Answer:

b

Step-by-step explanation:

so you just oush itjsndnsjsj

5 0
2 years ago
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Student council is making bows for Red Ribbon Week. To make a complete bow, they need 234 feet of ribbon. If the student council
GuDViN [60]

Answer:

3 11/8

Step-by-step explanation:

8 0
3 years ago
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Maksim231197 [3]
-12 + 3x + 2 = 5x - 10 - 8x 
-10 + 3x = -3x -10
-10 + 6x = -10
6x = 0 
x = 0 
3 0
3 years ago
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