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Over [174]
3 years ago
14

You are trapped in a dark cave with three indistinguishable exists on the walls. One of the exits takes you 3 hours to travel an

d takes you outside. One of the other exits takes you 1 hour to travel and the other takes 2 hours, but both drop you back in the original cave through the ceiling, which is unreachable from the floor of the cave. You have no way of marking which exits you have attempted. What is the expected time it takes for you to get outside
Mathematics
1 answer:
bija089 [108]3 years ago
5 0

Answer:

6 HOURS

Step-by-step explanation:

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Lance the alien is 5 feet tall. His shadow is 8 feet lopg.
Stells [14]

Answer:

20 ft

Step-by-step explanation:

The 2 triangles are similar, thus the ratios of corresponding sides are equal.

let h be the height of the tree, then

\frac{h}{5} = \frac{32}{8} = 4 ( multiply both sides by 5 )

h = 20

The height of the tree is 20 ft

3 0
3 years ago
If the function y = 3x + 2 is translated 5 units up, which equation will best describe the new line?
svetoff [14.1K]
Y=3x+7
this equation is in slope- intercept form (y=mx+b), so to translate up or down you add or subtract however many units you are translating to the b of the equation.
4 0
3 years ago
A company needs 713 slices of pizza for a company party. If each pizza is cut into 8 slices, about how many whole pizzas should
alukav5142 [94]

Answer:

D

Step-by-step explanation:

To find the number of WHOLE pizzas needed, we need to divide the total number of slices needed (713) by 8 slices. Thus

\frac{713}{8}=89.125

<em>because we can't order fractional pizza, we need to round up. So we will need 90 pizzas.</em>

<em>Correct answer is D.</em>

3 0
3 years ago
Two groups of people went to see Iron Man 3
poizon [28]

Answer:

x = 16.5

Step-by-step explanation:

2x + 3y = 73.50

5x + 2y = 109.50

(2x + 3y = 73.5) -5

(5x + 2y = 109.5) 2

-10x - 15y = -367.5

10x + 4y =219

-11y = -148.5

y = 13.5

2x + 3(13.5) = 73.50

2x + 40.5 = 73.5

2x = 73.5 - 40.5

2x = 33

x = 16.5

8 0
3 years ago
Determine if the two expressions are equivalent and
boyakko [2]

9514 1404 393

Answer:

  yes. Commutative Property of Addition

Step-by-step explanation:

The commutative property of addition tells you that the order of the addends is immaterial. These expressions are equivalent.

6 0
3 years ago
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