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-Dominant- [34]
3 years ago
15

A coin is flipped, then a standard number cube is rolled. Let A represent the event “the coin lands showing heads” and B represe

nt “the standard number cube lands showing 4.”
What is P(A|B)? Convert answers to decimals and round to three decimal places when necessary.
Mathematics
1 answer:
boyakko [2]3 years ago
6 0

Answer:

1/2

Step-by-step explanation:

Conditional probability, giving the standard number cube lands showing 4, think about what are all the possible sets left?

That's right, (Heads, 4) and (Tails,4)

Given that there are only 2 possible cases remaining, to get heads on the coins, there is only 1 possible case out of the two cases shown. P(A|B) is thus 1/2

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1 8 The scale blueprint of a rectangular pool is drawn inch - 1 foot. If the pool is 34 feet long, what is the measure of the po
Alex787 [66]

Answer:

C

Step-by-step explanation:

The scale blueprint of a rectangular pool is drawn 1/8 in - 1 foot. If the pool is 34 feet long, what is the measure of the pool's length on the blueprint

A scale drawing is a reduced form in terms of dimensions of an original image / building / object

the scale drawing is usually reduced at a constant dimension

scale of the drawing = original dimensions / dimensions of the scale drawing

Blueprint's length = 34 x 1/8 = 4.25

7 0
3 years ago
Find the sum of the first 40 even positive integers.
Pachacha [2.7K]

Answer:

1640

Step-by-step explanation:

Even, positive integers

2+4+6+8+10+12+14+16+18+20+22+24+26+28+30+32+34+36+38+40+42+44+46+48+50+52+54+56+58+60+62+64+66+68+70+72+74+76+78+80 = 1640

6 0
1 year ago
Can you solve 5a please greatly appreciated.
timurjin [86]
Part I)
 
The module of vector AB is given by:
 lABl = root ((- 3) ^ 2 + (4) ^ 2)
 lABl = root (9 + 16)
 lABl = root (25)
 lABl = 5

 Part (ii)
 The module of the EF vector is given by:
 lEFl = root ((5) ^ 2 + (e) ^ 2)
 We have to:
 lEFl = 3lABl
 Thus:
 root ((5) ^ 2 + (e) ^ 2) = 3 * (5)
 root ((5) ^ 2 + (e) ^ 2) = 15
 Clearing e have:
 (5) ^ 2 + (e) ^ 2 = 15 ^ 2
 (e) ^ 2 = 15 ^ 2 - 5 ^ 2
 e = root (200)
 e = root (2 * 100)
 e = 10 * root (2)
3 0
3 years ago
Does anyone know how to do this?
SCORPION-xisa [38]

Answer:

i think he is correct

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Mrs. Jackson made a line plot of the times it took students to complete a project.
Komok [63]
This value is very different from the other values
8 0
3 years ago
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