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3 years ago

12

There are four students, all of different heights, who are to be randomly arranged in a line. What is the probability that the t

allest student will be first in line and the shortest student will be last in line?

1 answer:

notka56 [123]3 years ago

6 0

Answer:

Hey there!

The answer is 1/12

1/4(1/3)=1/12

Let me know if this helps :)

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80 times 30 plus 60 equals

UNO [17]

Answer:

2460

Step-by-step explanation:

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3 years ago

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Find the indicated missing angle. Round to the nearest angle.

sladkih [1.3K]

Answer:

The missing angle 'x' is 22.29°.

i.e. $x\:=\:22.29^{\circ \:\:}$

Step-by-step explanation:

Let 'x' be the missing angle of the triangle.

Using the formula

tan x = opp ÷ adjacent

tan x = 30 ÷ 72

tan x = 0.41

$x=\tan ^{-1}\left(0.41\right)$

$x\:=\:22.29^{\circ \:\:}$

Therefore, the missing angle 'x' is 22.29°.

i.e. $x\:=\:22.29^{\circ \:\:}$

4 0

3 years ago

Please show work and be done soon

stich3 [128]

9514 1404 393

Answer:

x = 22.5°

Step-by-step explanation:

Angle BED ≅ angle EBC = 6x, so angle BEA = 4x. The angles FEB and BEA form a linear pair, so we have ...

4x +4x = 180°

x = 22.5° . . . . . . divide by 8

_____

BED and EBC are "alternate interior angles" with respect to transversal BE crossing parallel lines DE and AC.

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3 years ago

Greta uses 3 cups of pasta for every 3/4 cup of sauce. How many pasta does she use per cup of sauce?

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12.

3/4=0.75
0.75×4=3 (closest whole number)
4×3= 12

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3 years ago

Which expression are equivalent

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Answer:

OPTION A and D

-80x+28y -56

4(-20x+7y-14)

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