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maksim [4K]
3 years ago
5

URGENT PLEASE HELP Students in Mrs. Barnes’s class determined the probability that she will check homework on a randomly chosen

day is 0.42. They also determined the probability that she will give a pop quiz when she checks homework is 0.6, and the probability that she will give a pop quiz when she does not check homework is 0.9.
What is the probability that Mrs. Barnes does not check homework if the students take a pop quiz?
The probabilities are displayed in the tree diagram.

A) 0.25

B) 0.33

C) 0.67

D) 0.77

Mathematics
1 answer:
dezoksy [38]3 years ago
6 0

Answer:

0.67

Step-by-step explanation:

Edge 2021

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PSYCHO15rus [73]

Answer:

1) 32/5

2) 19/8

3) 34/7

4) 25/3

How to do this

You take the denominator (the number on the bottom), multiply it by the whole number (like in 1, 5*6=30) then add the numerator (the top number) (so 30+2) then add on top of the denominator before you changed anything (32/5)


4 0
4 years ago
What is the length of the line segment that is graphed from (3, 1) to (3, 6)?
juin [17]
Hello,

The length of the line segment is the distance betheen the 2 points

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d=√34
8 0
3 years ago
Aden wants to sell his old baseball cards. The original price of each baseball card was $3. He wants to markup the price by 25%.
nevsk [136]

Answer:

3.75

Step-by-step explanation:

half of 3 is 1.5 and half of 1.5 or a quarter of 3 is .75

7 0
3 years ago
Determine whether the number is a perfect square
GenaCL600 [577]
1. no
2. yes
3. i wanna say yes but i’m not positive
5 0
3 years ago
4y-5x=9 in slope intercept form
Sedbober [7]

Answer:

m, slope = 5/4

Step-by-step explanation:

formula : y=m x+b

4y-5x=9

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y = 5x/4 + 9/4

y= 5x/4 +2.25

m, slope = 5/4

7 0
2 years ago
Read 2 more answers
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