3 years ago

Congruent triangles if BCDE is congruent to OPQR then CD is congruent to

Mathematics

1 answer:

alexdok [17]3 years ago

4 0

Answer:PQ

Step-by-step explanation: __

Line up the two: BCDE

OPQR

If they are the same which is equal to the same thing?

*hint* the two middle letters.

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Solve each system by substitution.<br> y=-4x-9 y=3x+19

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x=-4, y=7

Step-by-step explanation:

According to the first equation, y = -4x - 9, so we can substitute y in the second equation for -4x - 9.

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Find an equation that models the path of a satellite if its path is a hyperbola, a = 55,000 km, and c= 81,000 km. Assume the cen

elena-14-01-66 [18.8K]

Answer:

$\frac{x^2}{55000^2} - \frac{y^2}{59464^2} =1$

Step-by-step explanation:

the transverse axis is horizontal.

so its a horizontal hyperbola

Center is the origin so center is (0,0)

Equation of horizontal hyperbola is

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

Given a= 55000 and c= 81000

c^2 = a^2 + b^2

81000^2 = 55000^2 + b^2

subtract 55000^2 on both sides

b = sqrt(81000^2 - 55000^2)= 59464.27

now plug in the values

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