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scoundrel [369]
2 years ago
14

How do I solve question 6a?

Mathematics
1 answer:
Sholpan [36]2 years ago
3 0

Answer:

bbbbbbbbbbbbbbbbbbbbbbbbb

Step-by-step explanation:

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-3/8 - 7/8 = <br>explicar el procedimiento por favor ​
pogonyaev

Answer:

-1/4

Step-by-step explanation:

-3/8 - 7/8= 4/8=1/2

4 0
2 years ago
A consumer organization estimates that over a​ 1-year period 20​% of cars will need to be repaired​ once, 5​% will need repairs​
gtnhenbr [62]

Answer:

a) 0.5476

b) 0.0676

c) 0.4524

Step-by-step explanation:

Given this information, we can conclude that 74% of the cars won't need any repairs over a 1-year period (100 - 20 - 5 - 1 = 74%). And 26% will need at least 1 repair over a 1-year period.

P(car doesn't need repair) = 0.74

P (car needs repair) = 0.26

If you own two cars, the probability that:

<u>a) Neither will need repair:</u>

We need that car 1 won't need repair AND car 2 won't need repair.

=P(Car 1 doesn't need repair) x P(Car 2 doesn't need repair)

= 0.74 x 0.74 = 0.5476

The probability that neither will need repair is 0.5476.

<u>b) Both will need repair:</u>

We need that car 1 needs repair AND car 2 needs repair.

P(Car 1 needs repair) x P(Car 2 needs repair)

= 0.26 x 0.26 = 0.0676

The probability that both will need repair is 0.0676

<u>c) At least one car will need repair</u>

Car 1 needs repair or Car 2 needs repair or both need repair.

To solve this one, it's easier to use the complement of P(neither needs repair)

1 - P(neither needs repair)

1 - (0.74)(0.74)  = 1 - 0.5476 = 0.4524

The probability that at least one car will need repair is 0.4524

4 0
3 years ago
Nabi has 112 inches border she uses 8 feet of the border. How much border is left
lisov135 [29]
It is 16 inches hope this helps!
3 0
3 years ago
Ebba is buying bulk fabric.
-Dominant- [34]

Answer:

To find the cost per yard, divide the cost by the amount:

p: 6.25 / 6.5 = 0.96  -->  The cost per yard is $0.96

r: 3 /4 = 0.75  -->  The cost per yard is $0.75

b: 8.1 /8.5 = 0.95  -->  The cost per yard is $0.95

s: 7.2 / 6 = 1.2  --> The cost per yard is $1.20

In order from cheapest to most expensive:

Red

Brown

Purple

Silver

8 0
3 years ago
What is the slope of the line?<br> slope = 1/3<br> slope = -3<br> slope = 3
bija089 [108]

Answer:

3

Step-by-step explanation:

Rise over run

6 0
3 years ago
Read 2 more answers
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