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KiRa [710]
3 years ago
10

Please Help! 10 points!

Mathematics
1 answer:
S_A_V [24]3 years ago
3 0

Answer:

a/b = 12

Step-by-step explanation:

2a -5b          1

------------- = -----

3a+2b             2

We can use cross products to get in the form of a /b

2(2a-5b) = 1(3a+2b)

Distribute

4a -10b=3a+2b

Get the a terms on the left and the b terms on the right

Subtract 3a from each side

4a-3a -10b=3a-3a+2b

a - 10b = 2b

Add 10b to each side

a-10b +10b = 2b+10b

a = 12 b

Divide each side by b

a/b = 12b/b

a/b = 12

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tensa zangetsu [6.8K]
M = 3
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Wittaler [7]

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Step-by-step explanation:

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write the equation of the ellipse using the given information: the ellipse has foci (0,3) and (0,-3) and major vertices (0,5) an
svetlana [45]

Answer: (x^2)/16 + (y^2)/25 = 1

Step-by-step explanation:

According to the problem we can figure out that the center of the ellipse is (0,0).

Since the foci is (0,3) and (0,-3) we know that the value of c is 3. The major vertices are (0,5) and (0,-5) so the value of a is 5.

If we put this into the equation a^2=b^2 + c^2, we get 25=9+ b^2

We get b^2 is 16

Now since we know that the ellipse is vertical because the x value didn’t change, we know that the b^2 value comes first in the equation. Then the a^2 value which is 25.

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3 years ago
What is the solution to the proportion?8/16=x/10
ehidna [41]

X=5

Because 8/16=x/10 8 is half of 16 so it is equal to the same amount as 5/10

You can simplify them both down to one fraction 1/2

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