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Darya [45]
2 years ago
13

One marble is randomly drawn and then replaced from a jar containing two white marbles and one

Mathematics
1 answer:
melisa1 [442]2 years ago
4 0

Answer:

1/3.

Step-by-step explanation:

Prob(Drawing white marble) = 2/3

Prob(Drawing a black marble on second draw ) =  1/2

So:

Prob(Drawing a white then a red marble) = 2/3 * 1/2

= 2/6

= 1/3.

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On a coordinate plane, a line is drawn between points (negative 4, negative 3) and (negative 1, 4).
gayaneshka [121]

Answer:

StartRoot 58 EndRoot

Step-by-step explanation:

Given the coordinates (-4, -3) and (-1, 4)

To get the distance between the two points, we will use the formula:

D =√(y2-y1)²+(x2-x1)²

From the coordinates, x1 = -4, y1 = -3, x2 = -1 and y2 = 4

Substitute

D =√(4-(-3))²+(-1-(-4))²

D = √(4+3)²+(-1+4)²

D = √7²+3²

D = √49+9

D = √58

Hence the correct option is D

StartRoot 58 EndRoot

6 0
3 years ago
Firefighters used a ladder 50 feet high to reach a window that was 30 feet above the ground. From the same point on the ground,
deff fn [24]
First since 2 of the options ask for the width of BM lets solve for it using the Pythagorean theorem for both sides of point L:
a² + b² = c²
30² + b² = 50²
b² = 50² - 30²
b² = 1600
b = 40    Line BL = 40 ft
Since the ladder is 50 feet it is the same length on the other side as well
a² + b² = c²
40² + b² = 50²
b² = 50² - 40²
b² = 900
b = 30        line LM is 30 ft
SO line lm + line bl = 30 + 40 = 70 ft
A is true because ^
B isn't true because as we solved for earlier, BL is 40
C is true because line LM is in fact 30 ft as we solved for
D is not true because as we said earlier BM is 70
E is true because the same ladder was used on both sides of the street

7 0
3 years ago
You and your friend meet at the movie theater to see Flying Ninja Toenails 5p of Death. You arrive at 5:40. Your friend arrives
NikAS [45]

Answer:

Wait for 32minutes.

Step-by-step explanation:

i think you could made time Am or Pm that can make your questions good. i am nub grammar sorry haha

3 0
3 years ago
A circle has center (5, -4) and radius 8. Which gives the equation of the circle?
miv72 [106K]

Answer:

A

Step-by-step explanation:

if not A then B but i'm pretty sure A

8 0
3 years ago
Please help the above following questions asap.<br> Thanks A Lot !!! :)
laila [671]
Since both are right triangles you can use the Pythagorean Theorem.

6 0
3 years ago
Read 2 more answers
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