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3 years ago

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WHICH OF THE FOLLOWING COMPARISONS IS FALSE A. 4 LITERS < 1 GALLON B. 1 FOOT < 1 METER C. 25 GRAMS < 1 OUNCE D. 10 KILO

METERS < 9 MILES

1 answer:

Kisachek [45]3 years ago

4 0

Ummm search it up on google it should be on there

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PolarNik [594]

Answer: Step-by-step explanation:

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2 years ago

On a certain day the exchange rate was 60 U.S dollars for 50 euro. How many U.S dollars were 70 euro worth that day?

Bezzdna [24]

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3 years ago

Henry has three metal rods. The three metal rods measure 7 feet, 9 feet, and 2 feet.

ankoles [38]

Answer:

No, Henry cannot form a triangle.

Step-by-step explanation:

The Triangle Inequality Theorem states that the sum of the lengths of two sides must be greater than the third side.

7 (first side) + 2 (second side) = 9

The sum of these two sides is not greater than the third side (9).

So, therefore, Henry cannot form a triangle.

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2 years ago

An equation of an ellipse is given. y2 = 1 − 3x2 (a) Find the vertices, foci, and eccentricity of the ellipse. vertex (x, y) = (

oksian1 [2.3K]

Answer:

Step-by-step explanation:

Given

$y^2=1-3x^2$

$3x^2+y^2=1$

$\frac{x^2}{(\frac{1}{\sqrt{3}})^2}+\frac{y^2}{1}=1$

therefore it is a vertical ellipse

thus a=1

$b=\frac{1}{\sqrt{3}}$

eccentricity of Ellipse

$e^2=1-\frac{b^2}{a^2}$

$e^2=1-\frac{1}{(\sqrt{3})^2}$

$e^2=1-\frac{1}{3}$

$e^2=\frac{2}{3}$

$e=\sqrt{\frac{2}{3}}$

Focii are $(0,ae)$ and $(0,-ae)$

$ae=1\times \sqrt{\frac{2}{3}}$

thus focii are $(0,\sqrt{\frac{2}{3}})$ & $(0,-\sqrt{\frac{2}{3}})$

(b) Length of major axis $=2a=2\times 1$

length of minor axis $=2b=2\times \sqrt{\frac{2}{3}}=2\cdot \sqrt{\frac{2}{3}}$

8 0

3 years ago

Ok can someone please help me? i really need help and no one will help me, its easy middle school math

pashok25 [27]

Answer:

Step-by-step explanation:

7) A

8) D

9) B

10) A

6 0

2 years ago