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blagie [28]
3 years ago
11

The points L, M, N and O all lie on the same line segment, in that

Mathematics
1 answer:
BabaBlast [244]3 years ago
3 0
3x + 1x + 5x + 36
9x = 36
x = 4
3x = 12
5x = 20
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A plot of land in the shape of a vertical ellipse has a pole at each focus. The foci are 8 feet from the center. If the plot of
PtichkaEL [24]

Answer:

1. B

2.C

Step-by-step explanation:

A plot of land in the shape of a vertical ellipse. The equation of the ellipse is

\dfrac{x^2}{a^2}+\dfrac{y^2}{b^2}=1.

If the foci are 8 feet from the center, then c=8.

If the plot of land is 34 feet across the vertical axis, then 2b=34\Rightarrow b=17.

Use formula c=\sqrt{b^2-a^2} (because ellipse is vertical, then b>a) to find a:

8=\sqrt{17^2-a^2}\Rightarrow a^2=289-64=225,\ a=15.

Then  the plot of land is 2a=30 ft across the other axis.

If b>a, the eccentricity of the ellipse is

e=\dfrac{c}{b}=\dfrac{8}{17}\approx 0.471.

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4 years ago
The inequality and express your answer in interval notation.
o-na [289]

Answer:x^2-12x+5<0= 6

hope it helps :)

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4 years ago
What is the lateral surface area?<br><br> 5 mm<br> 5 mm<br> 5 mm
Oksanka [162]
The lateral surface of an object is all of the sides of the object, excluding its base and top. The lateral surface area is the area of the lateral surface. This is to be distinguished from the total surface area, which is the lateral surface area together with the areas of the base and top.
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3 years ago
Laura is 12 years old witch 6/7 of her brothers age how old is her brother
sweet [91]

Answer:

14

Step-by-step explanation:

12:6=2

12+2=14

so her brother it's 14 years old

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3 years ago
How to I write 1/8 without using a fraction bar ( it wants me to use exponents)
oksano4ka [1.4K]
2^-3

two raised to negative three
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