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Crank
3 years ago
11

There is a bag filled with 4 blue and 5 red marbles.

Mathematics
1 answer:
Anton [14]3 years ago
6 0

Answer:

25

/81

Step-by-step explanation:

5/9 marbles are red

5/9 is the chance for getting one marble. However, twice, you need to multiply it by itself.

The answer is 25/81

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(SAT Prep) An airplane has leveled off (is flying horizontally) at an altitude 12000 feet. When the airplane is at point P its p
serious [3.7K]

Answer:

m∠PRT = 114°

m∠T = 37°

m∠RPT = 29°

Step-by-step explanation:

This question is incomplete (without a picture) ; here is the picture attached.

In this picture, an airplane is at an altitude 12000 feet.

When the plane is at the point P, pilot can observe two towns at R and T in front of plane.

We have to find the measure of ∠PRT, ∠T and ∠RPT.

Form the figure attached segment PS is parallel to RT and PR is a transverse.

We know that internal angles formed on one side of the parallel lines by a transverse are supplementary.

Therefore, x + 66 = 180

x = 180 - 66 = 114°

∠PRT = x = 114°

m∠RPT = m∠SPR - m∠SPT

             = 66 - 37

             = 29°

Since m∠PRT + m∠T + m∠RPT = 180°

114 + ∠T + 29 = 180

143 + ∠T = 180

∠T = 180 - 143

∠T = 37°

8 0
3 years ago
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What is the equation of the line that is the perpendicular bisector of the segment
uysha [10]

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Simplify 2x – 9y + 4x + 11y by combining like terms and then evaluate at x = -2<br> and y = 4.
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Step-by-step explanation:

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First of all combining like terms

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Step-by-step explanation:

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Given: Lines, and I are parallel, with transversal line t.
VladimirAG [237]

Answer:

5 = e=h

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Step-by-step explanation:

8 0
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